Remove Zusammen cassandra plugin

Remove Zusammen cassandra plugin
Change dependency
Modify imports

Change-Id: Ice66fdd9f3970961723df476c8d1e38040504189
Issue-ID: SDC-862
Signed-off-by: shalomb <shalomb@amdocs.com>

64 files changed, 3 insertions, 5956 deletions

diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-core/pom.xml b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-core/pom.xml
index a792abbfbb..e6c72d1694 100644
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-core/pom.xml
+++ b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-core/pom.xml
@@ -35,9 +35,9 @@
             <scope>runtime</scope>
         </dependency>
         <dependency>
-            <groupId>org.openecomp.sdc.core</groupId>
-            <artifactId>openecomp-zusammen-plugin</artifactId>
-            <version>${project.version}</version>
+            <groupId>com.amdocs.zusammen.plugin</groupId>
+            <artifactId>zusammen-collaboration-cassandra-plugin</artifactId>
+            <version>${zusammen.version}</version>
             <scope>runtime</scope>
             <exclusions>
                 <exclusion>
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/pom.xml b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/pom.xml
deleted file mode 100644
index f8cfcfdc9b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/pom.xml
+++ /dev/null
@@ -1,64 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.openecomp.sdc.core</groupId>
-        <artifactId>openecomp-zusammen-lib</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>openecomp-zusammen-plugin</artifactId>
-    <dependencies>
-        <dependency>
-            <groupId>com.amdocs.zusammen</groupId>
-            <artifactId>zusammen-sdk</artifactId>
-              <version>${zusammen.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.amdocs.zusammen</groupId>
-            <artifactId>zusammen-commons-db-api</artifactId>
-              <version>${zusammen.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.amdocs.zusammen</groupId>
-            <artifactId>zusammen-commons-db-impl</artifactId>
-              <version>${zusammen.version}</version>
-            <scope>runtime</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.amdocs.zusammen.plugin</groupId>
-            <artifactId>zusammen-state-store-cassandra-plugin</artifactId>
-              <version>${zusammen-state-store.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.testng</groupId>
-            <artifactId>testng</artifactId>
-            <version>${testng.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-all</artifactId>
-            <version>${mockito.all.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.amdocs.zusammen</groupId>
-            <artifactId>zusammen-commons-utils</artifactId>
-            <version>${zusammen.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openecomp.sdc.core</groupId>
-            <artifactId>openecomp-facade-api</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openecomp.sdc.core</groupId>
-            <artifactId>openecomp-session-lib</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-    </dependencies>
-</project>
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginConstants.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginConstants.java
deleted file mode 100644
index f9e6091fb0..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginConstants.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin;
-
-
-import com.amdocs.zusammen.datatypes.Id;
-
-public class ZusammenPluginConstants {
-  public static final String PUBLIC_SPACE = "public";
-  public static final Id ROOT_ELEMENTS_PARENT_ID = Id.ZERO;
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginUtil.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginUtil.java
deleted file mode 100644
index c285bf8fae..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/ZusammenPluginUtil.java
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.Space;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.ItemVersion;
-import com.amdocs.zusammen.datatypes.item.ItemVersionChange;
-import com.amdocs.zusammen.datatypes.item.ItemVersionData;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationElement;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationElementChange;
-import com.amdocs.zusammen.sdk.state.types.StateElement;
-import com.amdocs.zusammen.sdk.types.ElementDescriptor;
-import com.amdocs.zusammen.utils.fileutils.FileUtils;
-import com.amdocs.zusammen.utils.fileutils.json.JsonUtil;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-import org.openecomp.sdc.common.errors.SdcRuntimeException;
-
-import java.io.ByteArrayInputStream;
-import java.nio.ByteBuffer;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.util.Base64;
-import java.util.Date;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
-
-public class ZusammenPluginUtil {
-
-  private ZusammenPluginUtil() {
-    // prevent instantiation
-  }
-
-  public static String getSpaceName(SessionContext context, Space space) {
-    switch (space) {
-      case PUBLIC:
-        return ZusammenPluginConstants.PUBLIC_SPACE;
-      case PRIVATE:
-        return getPrivateSpaceName(context);
-      default:
-        throw new IllegalArgumentException(String.format("Space %s is not supported.", space));
-    }
-  }
-
-  public static String getPrivateSpaceName(SessionContext context) {
-    return context.getUser().getUserName();
-  }
-
-  public static ElementContext getPrivateElementContext(ElementContext elementContext) {
-    return new ElementContext(elementContext.getItemId(),elementContext.getVersionId(),Id.ZERO);
-  }
-
-
-  public static VersionEntity convertToVersionEntity(Id versionId, Id baseVersionId,
-                                                     Date creationTime,
-                                                     Date modificationTime) {
-    VersionEntity version = new VersionEntity(versionId);
-    version.setBaseId(baseVersionId);
-    version.setCreationTime(creationTime);
-    version.setModificationTime(modificationTime);
-    return version;
-  }
-
-  public static ItemVersion convertToItemVersion(VersionEntity versionEntity,
-                                                 ItemVersionData itemVersionData) {
-    ItemVersion itemVersion = new ItemVersion();
-    itemVersion.setId(versionEntity.getId());
-
-    itemVersion.setBaseId(versionEntity.getBaseId());
-    itemVersion.setCreationTime(versionEntity.getCreationTime());
-    itemVersion.setModificationTime(versionEntity.getModificationTime());
-    itemVersion.setData(itemVersionData);
-    return itemVersion;
-  }
-
-  public static ElementEntity convertToElementEntity(CollaborationElement element) {
-
-    ElementEntity elementEntity = new ElementEntity(element.getId());
-    elementEntity.setNamespace(element.getNamespace());
-    elementEntity.setParentId(element.getParentId() == null
-        ? ROOT_ELEMENTS_PARENT_ID
-        : element.getParentId());
-
-
-    elementEntity.setInfo(element.getInfo());
-
-    elementEntity.setRelations(element.getRelations());
-
-    if (element.getData() != null) {
-      elementEntity.setData(ByteBuffer.wrap(FileUtils.toByteArray(element.getData())));
-    }
-    if (element.getSearchableData() != null) {
-      elementEntity.setSearchableData(
-          ByteBuffer.wrap(FileUtils.toByteArray(element.getSearchableData())));
-    }
-    if (element.getVisualization() != null) {
-      elementEntity.setVisualization(
-          ByteBuffer.wrap(FileUtils.toByteArray(element.getVisualization())));
-    }
-    elementEntity.setElementHash(new Id(calculateElementHash(elementEntity)));
-
-    return elementEntity;
-  }
-
-  public static ElementDescriptor convertToElementDescriptor(
-      ElementContext elementContext, ElementEntity elementEntity) {
-    if (elementEntity == null) {
-      return null;
-    }
-    ElementDescriptor element = new ElementDescriptor(elementContext.getItemId(),
-        elementContext.getVersionId(), elementEntity.getNamespace(), elementEntity.getId());
-
-    mapElementEntityToDescriptor(elementEntity, element);
-    return element;
-  }
-
-  public static CollaborationElement convertToCollaborationElement(
-      ElementContext elementContext, ElementEntity elementEntity) {
-    CollaborationElement element = new CollaborationElement(elementContext.getItemId(),
-        elementContext.getVersionId(), elementEntity.getNamespace(), elementEntity.getId());
-
-    mapElementEntityToDescriptor(elementEntity, element);
-
-    if (elementEntity.getData() != null) {
-      element.setData(new ByteArrayInputStream(elementEntity.getData().array()));
-    }
-    if (elementEntity.getSearchableData() != null) {
-      element.setSearchableData(
-          new ByteArrayInputStream(elementEntity.getSearchableData().array()));
-    }
-    if (elementEntity.getVisualization() != null) {
-      element.setVisualization(new ByteArrayInputStream(elementEntity.getVisualization().array()));
-    }
-    return element;
-  }
-
-  public static CollaborationElementChange convertToElementChange(
-      ElementContext changedElementContext, ElementEntity changedElement, Action action) {
-    CollaborationElementChange elementChange = new CollaborationElementChange();
-    elementChange.setElement(convertToCollaborationElement(changedElementContext, changedElement));
-    elementChange.setAction(action);
-    return elementChange;
-  }
-
-  public static ItemVersionChange convertToVersionChange(ElementContext elementContext,
-                                                         ElementEntity versionDataElement,
-                                                         Action action) {
-    ItemVersionChange versionChange = new ItemVersionChange();
-
-    ItemVersion itemVersion = new ItemVersion();
-    itemVersion.setId(elementContext.getVersionId());
-
-    itemVersion.setData(convertToVersionData(versionDataElement));
-
-    versionChange.setItemVersion(itemVersion);
-    versionChange.setAction(action);
-    return versionChange;
-  }
-
-  public static ItemVersionData convertToVersionData(ElementEntity versionDataElement) {
-    ItemVersionData versionData = new ItemVersionData();
-    versionData.setInfo(versionDataElement.getInfo());
-    versionData.setRelations(versionDataElement.getRelations());
-    return versionData;
-  }
-
-  private static void mapElementEntityToDescriptor(ElementEntity elementEntity,
-                                                   ElementDescriptor elementDescriptor) {
-    Id parentId = ROOT_ELEMENTS_PARENT_ID.equals(elementEntity.getParentId())
-        ? null
-        : elementEntity.getParentId();
-
-    elementDescriptor.setParentId(parentId);
-    elementDescriptor.setInfo(elementEntity.getInfo());
-    elementDescriptor.setRelations(elementEntity.getRelations());
-    elementDescriptor.setSubElements(elementEntity.getSubElementIds());
-  }
-
-  public static String calculateElementHash(ElementEntity elementEntity) {
-
-    StringBuilder elementHash = new StringBuilder();
-    if (elementEntity.getData() != null) {
-      elementHash.append(calculateSHA1(elementEntity.getData().array()));
-    } else {
-      elementHash.append("0");
-    }
-    elementHash.append("_");
-    if (elementEntity.getVisualization() != null) {
-      elementHash.append(calculateSHA1(elementEntity.getVisualization().array()));
-    } else {
-      elementHash.append("0");
-    }
-    elementHash.append("_");
-
-    if (elementEntity.getSearchableData() != null) {
-      elementHash.append(calculateSHA1(elementEntity.getSearchableData().array()));
-    } else {
-      elementHash.append("0");
-    }
-    elementHash.append("_");
-
-    if (elementEntity.getInfo() != null) {
-      elementHash.append(calculateSHA1(JsonUtil.object2Json(elementEntity.getInfo()).getBytes()));
-    } else {
-      elementHash.append("0");
-    }
-    elementHash.append("_");
-
-    if (elementEntity.getRelations() != null) {
-      elementHash
-          .append(calculateSHA1(JsonUtil.object2Json(elementEntity.getRelations()).getBytes()));
-    } else {
-      elementHash.append("0");
-    }
-
-    return elementHash.toString();
-  }
-
-  private static String calculateSHA1(byte[] content2Convert) {
-    try {
-      return Base64.getEncoder().encodeToString(MessageDigest.getInstance("SHA-1").digest(content2Convert));
-    } catch (NoSuchAlgorithmException e) {
-      throw new SdcRuntimeException(e);
-    }
-  }
-
-
-  public static StateElement getStateElement(ElementContext elementContext, ElementEntity
-      elementEntity) {
-    Id parentId = ROOT_ELEMENTS_PARENT_ID.equals(elementEntity.getParentId())
-        ? null
-        : elementEntity.getParentId();
-    StateElement element = new StateElement(elementContext.getItemId(),
-        elementContext.getVersionId(), elementEntity.getNamespace(), elementEntity.getId());
-
-    element.setParentId(parentId);
-    element.setInfo(elementEntity.getInfo());
-    element.setRelations(elementEntity.getRelations());
-    element.setSubElements(elementEntity.getSubElementIds());
-    return element;
-  }
-
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/CommitStagingService.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/CommitStagingService.java
deleted file mode 100644
index 45d5769e9c..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/CommitStagingService.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Optional;
-
-public class CommitStagingService {
-
-  private VersionPrivateStore versionPrivateStore;
-  private VersionStageStore versionStageStore;
-  private ElementPrivateStore elementPrivateStore;
-  private ElementStageStore elementStageStore;
-
-  public CommitStagingService(VersionPrivateStore versionPrivateStore,
-                              VersionStageStore versionStageStore,
-                              ElementPrivateStore elementPrivateStore,
-                              ElementStageStore elementStageStore) {
-    this.versionPrivateStore = versionPrivateStore;
-    this.versionStageStore = versionStageStore;
-    this.elementPrivateStore = elementPrivateStore;
-    this.elementStageStore = elementStageStore;
-  }
-
-  public void commitStaging(SessionContext context, Id itemId, Id versionId) {
-    Optional<StageEntity<VersionEntity>> versionStage =
-        versionStageStore.get(context, itemId, new VersionEntity(versionId));
-
-    final ElementContext elementContext = new ElementContext(itemId, versionId, Id.ZERO);
-    Collection<ElementEntity> stagedElementIds = elementStageStore.listIds(context, elementContext);
-
-    if ((!versionStage.isPresent() && stagedElementIds.isEmpty()) ||
-        elementStageStore.hasConflicts(context, elementContext)) {
-      return;
-    }
-
-    versionStage.ifPresent(verStage -> commitVersionStage(context, itemId, verStage));
-    commitElementsStage(context, elementContext, stagedElementIds);
-  }
-
-  private void commitVersionStage(SessionContext context, Id itemId,
-                                  StageEntity<VersionEntity> versionStage) {
-    switch (versionStage.getAction()) {
-      case CREATE:
-        versionPrivateStore.commitStagedCreate(context, itemId, versionStage.getEntity(),
-            versionStage.getPublishTime());
-        break;
-      case UPDATE:
-        versionPrivateStore.commitStagedUpdate(context, itemId, versionStage.getEntity(),
-            versionStage.getPublishTime());
-        break;
-      case IGNORE:
-        versionPrivateStore.commitStagedIgnore(context, itemId, versionStage.getEntity(),
-            versionStage.getPublishTime());
-        break;
-      default:
-        throw new UnsupportedOperationException(
-            "Version change other then Create/Update/Ignore is not supported");
-    }
-
-    versionStageStore.delete(context, itemId, versionStage.getEntity());
-  }
-
-  private void commitElementsStage(SessionContext context, ElementContext elementContext,
-                                   Collection<ElementEntity> stagedElementIds) {
-    for (ElementEntity stagedElementId : stagedElementIds) {
-      StageEntity<ElementEntity> stagedElement =
-          elementStageStore.get(context, elementContext, stagedElementId)
-              .orElseThrow(
-                  () -> new IllegalStateException("Element id returned by list must exist"));
-      switch (stagedElement.getAction()) {
-        case CREATE:
-          elementPrivateStore.commitStagedCreate(context, elementContext, stagedElement.getEntity(),
-              stagedElement.getPublishTime());
-          break;
-        case UPDATE:
-          elementPrivateStore.commitStagedUpdate(context, elementContext, stagedElement.getEntity(),
-              stagedElement.getPublishTime());
-          break;
-        case DELETE:
-          elementPrivateStore
-              .commitStagedDelete(context, elementContext, stagedElement.getEntity());
-          break;
-        case IGNORE:
-          elementPrivateStore.commitStagedIgnore(context, elementContext, stagedElement.getEntity(),
-              stagedElement.getPublishTime());
-          break;
-        default:
-          throw new UnsupportedOperationException(
-              "Element change other then Create/Update/Delete/Ignore is not supported");
-      }
-      elementStageStore.delete(context, elementContext, stagedElement.getEntity());
-    }
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPrivateStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPrivateStore.java
deleted file mode 100644
index 045def2561..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPrivateStore.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.Map;
-import java.util.Optional;
-
-public interface ElementPrivateStore extends ElementStore {
-
-  Map<Id, Id> listIds(SessionContext context, ElementContext elementContext);
-
-  Collection<ElementEntity> listSubs(SessionContext context, ElementContext elementContext,
-                                     Id elementId);
-
-  Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                                               ElementContext elementContext,
-                                                               Id elementId);
-
-  void create(SessionContext context, ElementContext elementContext, ElementEntity element);
-
-  boolean update(SessionContext context, ElementContext elementContext, ElementEntity element);
-
-  void delete(SessionContext context, ElementContext elementContext, ElementEntity element);
-
-  void markAsPublished(SessionContext context, ElementContext elementContext, Id elementId,
-                       Date publishTime);
-
-  void markDeletionAsPublished(SessionContext context, ElementContext elementContext, Id elementId,
-                               Date publishTime);
-
-  void commitStagedCreate(SessionContext context, ElementContext elementContext,
-                          ElementEntity element, Date publishTime);
-
-  void commitStagedUpdate(SessionContext context, ElementContext elementContext,
-                          ElementEntity element, Date publishTime);
-
-  void commitStagedDelete(SessionContext context, ElementContext elementContext,
-                          ElementEntity element);
-
-  void commitStagedIgnore(SessionContext context, ElementContext elementContext,
-                          ElementEntity element, Date publishTime);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPublicStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPublicStore.java
deleted file mode 100644
index 0f1790a1bf..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementPublicStore.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-
-import java.util.Date;
-import java.util.Map;
-
-public interface ElementPublicStore extends ElementStore {
-
-  void create(SessionContext context, ElementContext elementContext, ElementEntity element,
-              Date publishTime);
-
-  void update(SessionContext context, ElementContext elementContext, ElementEntity element,
-              Date publishTime);
-
-  void delete(SessionContext context, ElementContext elementContext, ElementEntity element,
-              Date publishTime);
-
-  Map<Id,Id> listIds(SessionContext context, ElementContext elementContext);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStageStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStageStore.java
deleted file mode 100644
index a9236247f9..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStageStore.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.Resolution;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-
-import java.util.Collection;
-import java.util.Optional;
-
-public interface ElementStageStore {
-
-  Collection<ElementEntity> listIds(SessionContext context, ElementContext elementContext);
-
-  boolean hasConflicts(SessionContext context, ElementContext elementContext);
-
-  Collection<StageEntity<ElementEntity>> listConflictedDescriptors(SessionContext context,
-                                                                   ElementContext elementContext);
-
-  Optional<StageEntity<ElementEntity>> get(SessionContext context, ElementContext elementContext,
-                                           ElementEntity element);
-
-  Optional<StageEntity<ElementEntity>> getConflicted(SessionContext context,
-                                                     ElementContext elementContext,
-                                                     ElementEntity element);
-
-  void create(SessionContext context, ElementContext elementContext,
-              StageEntity<ElementEntity> elementStage);
-
-  void delete(SessionContext context, ElementContext elementContext, ElementEntity element);
-
-  void resolveConflict(SessionContext context, ElementContext elementContext, ElementEntity element,
-                       Resolution resolution);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStore.java
deleted file mode 100644
index 1c26a817ae..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ElementStore.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-import java.util.Optional;
-
-public interface ElementStore {
-  Optional<ElementEntity> get(SessionContext context, ElementContext elementContext, Id elementId);
-
-  Optional<ElementEntity> getDescriptor(SessionContext context, ElementContext elementContext,
-                                        Id elementId);
-
-  Collection<SynchronizationStateEntity> listSynchronizationStates(SessionContext context,
-                                                                   ElementContext elementContext);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ErrorCode.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ErrorCode.java
deleted file mode 100644
index 3d0910072c..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/ErrorCode.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-public class ErrorCode {
-  public static final int NO_CHANGES_TO_PUBLISH = 60000;
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/Message.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/Message.java
deleted file mode 100644
index 2816974307..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/Message.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-public class Message {
-  public static final String NO_CHANGES_TO_PUBLISH =
-      "Item Id %s, version Id %s: There are no changes to publish.";
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/PublishService.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/PublishService.java
deleted file mode 100644
index 7b043c830f..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/PublishService.java
+++ /dev/null
@@ -1,201 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.response.ReturnCode;
-import com.amdocs.zusammen.datatypes.response.ZusammenException;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeChange;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationPublishResult;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.Map;
-import java.util.Optional;
-import java.util.UUID;
-
-import static com.amdocs.zusammen.datatypes.response.Module.ZCSP;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToElementChange;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToVersionChange;
-import static org.openecomp.core.zusammen.plugin.collaboration.ErrorCode.NO_CHANGES_TO_PUBLISH;
-
-public class PublishService {
-  // TODO: 6/29/2017 throw ZusammenException with ReturnCode when needed.
-  private static final String PUSH_NON_EXISTING_VERSION =
-      "Item Id %s, version Id %s: Non existing version cannot be pushed.";
-
-  private VersionPublicStore versionPublicStore;
-  private VersionPrivateStore versionPrivateStore;
-  private ElementPublicStore elementPublicStore;
-  private ElementPrivateStore elementPrivateStore;
-
-  public PublishService(VersionPublicStore versionPublicStore,
-                        VersionPrivateStore versionPrivateStore,
-                        ElementPublicStore elementPublicStore,
-                        ElementPrivateStore elementPrivateStore) {
-    this.versionPublicStore = versionPublicStore;
-    this.versionPrivateStore = versionPrivateStore;
-    this.elementPublicStore = elementPublicStore;
-    this.elementPrivateStore = elementPrivateStore;
-  }
-
-  public CollaborationPublishResult publish(SessionContext context, Id itemId, Id versionId,
-                                            String message) {
-    CollaborationPublishResult result = new CollaborationPublishResult();
-    result.setChange(new CollaborationMergeChange());
-
-    Date publishTime = new Date();
-    Id revisionId = new Id(UUID.randomUUID().toString());
-    boolean versionFirstPublication = publishVersion(context, itemId, versionId, revisionId,
-        publishTime,message);
-    if (versionFirstPublication) {
-      publishAllElements(context, new ElementContext(itemId, versionId, revisionId), publishTime,
-          result);
-    } else {
-      publishDirtyElements(context, new ElementContext(itemId, versionId, revisionId), publishTime,
-          result);
-    }
-    return result;
-  }
-
-  private boolean publishVersion(SessionContext context, Id itemId, Id versionId, Id revisionId,
-                                 Date publishTime, String message) {
-    SynchronizationStateEntity privateVersionSyncState =
-        versionPrivateStore.getSynchronizationState(context, itemId, versionId)
-            .orElseThrow(() -> new IllegalArgumentException(
-                String.format(PUSH_NON_EXISTING_VERSION, itemId.toString(), versionId.toString())));
-
-    if (!privateVersionSyncState.isDirty()) {
-      throw new ZusammenException(new ReturnCode(NO_CHANGES_TO_PUBLISH, ZCSP,
-          String.format(Message.NO_CHANGES_TO_PUBLISH, itemId, versionId), null));
-    }
-
-    Optional<SynchronizationStateEntity> publicVersionSyncState =
-        versionPublicStore.getSynchronizationState(context, itemId, versionId);
-
-    // private must be synced with public (if public exists)
-    if (publicVersionSyncState.isPresent() &&
-        !privateVersionSyncState.getPublishTime()
-            .equals(publicVersionSyncState.get().getPublishTime())) {
-      // should not happen as it is validated in zusammen-core
-      throw new UnsupportedOperationException("Out of sync item version can not be publish");
-    }
-
-    boolean versionFirstPublication;
-    Map<Id, Id> versionElementIds =
-        elementPublicStore.listIds(context, new ElementContext(itemId,
-            versionId));
-    if (publicVersionSyncState.isPresent()) {
-      versionPublicStore.update(context, itemId, new VersionEntity(versionId), revisionId,
-          versionElementIds,publishTime,message);
-      versionFirstPublication = false;
-    } else {
-      VersionEntity privateVersion = versionPrivateStore.get(context, itemId, versionId)
-          .orElseThrow(() -> new IllegalArgumentException(
-              String.format(PUSH_NON_EXISTING_VERSION, itemId.toString(), versionId.toString())));
-      versionPublicStore.create(context, itemId, privateVersion, revisionId,versionElementIds,
-          publishTime,message);
-      versionFirstPublication = true;
-    }
-    versionPrivateStore.markAsPublished(context, itemId, versionId, publishTime);
-    return versionFirstPublication;
-  }
-
-  private void publishAllElements(SessionContext context, ElementContext elementContext,
-                                  Date publishTime, CollaborationPublishResult result) {
-    Collection<SynchronizationStateEntity> privateElementSyncStates =
-        elementPrivateStore.listSynchronizationStates(context, elementContext);
-
-    for (SynchronizationStateEntity privateElementSyncState : privateElementSyncStates) {
-      Optional<ElementEntity> privateElement =
-          elementPrivateStore.get(context, elementContext, privateElementSyncState.getId());
-
-      if (!privateElement.isPresent()) {
-        continue;
-      }
-      ElementEntity elementToPublish = privateElement.get();
-
-      elementPublicStore.create(context, elementContext, elementToPublish,
-          privateElementSyncState.isDirty() ? publishTime
-              : privateElementSyncState.getPublishTime());
-
-      if (privateElementSyncState.isDirty()) {
-        elementPrivateStore
-            .markAsPublished(context, elementContext, privateElementSyncState.getId(), publishTime);
-      }
-      updateResult(elementContext, elementToPublish, Action.CREATE,
-          ROOT_ELEMENTS_PARENT_ID.equals(privateElementSyncState.getId()), result);
-    }
-  }
-
-  private void publishDirtyElements(SessionContext context, ElementContext elementContext,
-                                    Date publishTime, CollaborationPublishResult result) {
-
-    Id revisionId = elementContext.getRevisionId();
-    elementContext.setRevisionId(revisionId);
-    ElementContext privateElementContext = new ElementContext(elementContext.getItemId(),
-        elementContext.getVersionId(),Id.ZERO);
-    Collection<SynchronizationStateEntity> privateElementSyncStates =
-        elementPrivateStore.listSynchronizationStates(context, elementContext);
-
-    Collection<SynchronizationStateEntity> publicElementSyncStates =
-        elementPublicStore.listSynchronizationStates(context, elementContext);
-
-    for (SynchronizationStateEntity privateElementSyncState : privateElementSyncStates) {
-      if (!privateElementSyncState.isDirty()) {
-        continue;
-      }
-
-      Optional<ElementEntity> privateElement =
-          elementPrivateStore.get(context, privateElementContext, privateElementSyncState.getId());
-
-      ElementEntity elementToPublish;
-      Action actionOnPublic;
-      if (privateElement.isPresent()) {
-        elementToPublish = privateElement.get();
-
-        if (publicElementSyncStates.contains(privateElementSyncState)) {
-
-          elementPublicStore.update(context, elementContext, elementToPublish, publishTime);
-          actionOnPublic = Action.UPDATE;
-        } else {
-          elementPublicStore.create(context, elementContext, elementToPublish, publishTime);
-          actionOnPublic = Action.CREATE;
-        }
-
-        elementPrivateStore
-            .markAsPublished(context, privateElementContext, privateElementSyncState.getId(), publishTime);
-      } else {
-        elementToPublish =
-            elementPublicStore.get(context, elementContext, privateElementSyncState.getId())
-                .orElseThrow(() -> new IllegalStateException(
-                    "Element that should be deleted from public must exist there"));
-        elementPublicStore.delete(context, elementContext, elementToPublish, publishTime);
-        actionOnPublic = Action.DELETE;
-
-        elementPrivateStore
-            .markDeletionAsPublished(context, privateElementContext, privateElementSyncState.getId(),
-                publishTime);
-      }
-
-      updateResult(elementContext, elementToPublish, actionOnPublic,
-          ROOT_ELEMENTS_PARENT_ID.equals(privateElementSyncState.getId()), result);
-    }
-  }
-
-  private void updateResult(ElementContext elementContext, ElementEntity element,
-                            Action action, boolean versionDataElement,
-                            CollaborationPublishResult result) {
-    if (versionDataElement) {
-      result.getChange().setChangedVersion(convertToVersionChange(elementContext, element, action));
-    } else {
-      result.getChange().getChangedElements()
-          .add(convertToElementChange(elementContext, element, action));
-    }
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/RevertService.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/RevertService.java
deleted file mode 100644
index 0d2ea2c0d8..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/RevertService.java
+++ /dev/null
@@ -1,161 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-
-public class RevertService {
-
-  private ElementPublicStore elementPublicStore;
-  private ElementPrivateStore elementPrivateStore;
-
-  public RevertService(ElementPublicStore elementPublicStore,
-                       ElementPrivateStore elementPrivateStore) {
-    this.elementPublicStore = elementPublicStore;
-    this.elementPrivateStore = elementPrivateStore;
-  }
-
-  public void revert(SessionContext context, Id itemId, Id versionId, Id revisionId) {
-    ElementContext targetContext = new ElementContext(itemId, versionId);
-    ElementContext sourceContext = new ElementContext(itemId, versionId, revisionId);
-    copyElementsFromPublic(context, sourceContext, targetContext);
-  }
-
-  private void copyElementsFromPublic(SessionContext context, ElementContext sourceContext,
-                                      ElementContext targetContext) {
-    Collection<RevertElementAction> revertElementActions =
-        evaluateRevertElementActions(context, sourceContext, targetContext);
-
-    revertElementActions.forEach(revertElementAction -> revertElementAction.run(context));
-  }
-
-  private Collection<RevertElementAction> evaluateRevertElementActions(SessionContext context,
-                                                                       ElementContext sourceContext,
-                                                                       ElementContext targetContext) {
-
-    Map<Id, Id> sourceElements = elementPublicStore.listIds(context, sourceContext);
-    Map<Id, Id> targetPublicElements = elementPublicStore.listIds(context, targetContext);
-    Collection<SynchronizationStateEntity> synchronizationStateEntities =
-        elementPrivateStore.listSynchronizationStates(context, targetContext);
-
-    Map<Id, Id> targetElements =
-        evaluateTargetElements(targetPublicElements, synchronizationStateEntities);
-
-
-    Collection<RevertElementAction> revertElementActions = new ArrayList<>();
-
-    sourceElements.entrySet().forEach(entry -> {
-      Id sourceElementId = entry.getKey();
-      Id sourceElementRevisionId = entry.getValue();
-
-      if (!targetElements.containsKey(sourceElementId)) {
-        revertElementActions
-            .add(new RevertElementAction(sourceContext, sourceElementId, commands[CREATE]));
-      } else if (!targetElements.get(sourceElementId).equals(sourceElementRevisionId)) {
-        revertElementActions
-            .add(new RevertElementAction(sourceContext, sourceElementId, commands[UPDATE]));
-      }
-    });
-
-    targetElements.entrySet().forEach(entry -> {
-      Id targetElementId = entry.getKey();
-      if (!sourceElements.containsKey(targetElementId)) {
-        revertElementActions
-            .add(new RevertElementAction(targetContext, targetElementId, commands[DELETE]));
-      }
-    });
-
-    return revertElementActions;
-  }
-
-  private Map<Id, Id> evaluateTargetElements(Map<Id, Id> targetPublicElements,
-                                             Collection<SynchronizationStateEntity> syncStates) {
-    Map<Id, Id> targetElements = new HashMap<>(targetPublicElements);
-    syncStates.stream()
-        .filter(SynchronizationStateEntity::isDirty)
-        .forEach(syncState -> targetElements.put(syncState.getId(), Id.ZERO));
-    return targetElements;
-  }
-
-  private static class RevertElementAction {
-    private ElementContext elementContext;
-    private Id elementId;
-    private ActionCommand command;
-
-    private RevertElementAction(ElementContext elementContext, Id elementId,
-                                ActionCommand command) {
-      this.elementContext = elementContext;
-      this.elementId = elementId;
-      this.command = command;
-    }
-
-    public ElementContext getElementContext() {
-      return elementContext;
-    }
-
-    public Id getElementId() {
-      return elementId;
-    }
-
-    public void run(SessionContext context) {
-      command.run(context, elementContext, elementId);
-    }
-  }
-
-  private interface ActionCommand {
-    void run(SessionContext context, ElementContext elementContext, Id elementId);
-  }
-
-  private static int CREATE = 0;
-  private static int UPDATE = 1;
-  private static int DELETE = 2;
-
-  private ActionCommand[] commands = {new ActionCommand() {
-    @Override
-    public void run(SessionContext context, ElementContext elementContext, Id elementId) {
-      //create
-      Optional<ElementEntity> element = elementPublicStore.get(context, elementContext, elementId);
-      if (!element.isPresent()) {
-        throw getMissingElementException(elementContext, elementId);
-      }
-      elementPrivateStore.create(context, elementContext, element.get());
-    }
-  }, new ActionCommand() {
-    @Override
-    public void run(SessionContext context, ElementContext elementContext, Id elementId) {
-      //update
-      Optional<ElementEntity> element = elementPublicStore.get(context, elementContext, elementId);
-      if (!element.isPresent()) {
-        throw getMissingElementException(elementContext, elementId);
-      }
-      elementPrivateStore.update(context, elementContext, element.get());
-    }
-  }, new ActionCommand() {
-    @Override
-    public void run(SessionContext context, ElementContext elementContext, Id elementId) {
-      //delete
-      Optional<ElementEntity> element = elementPrivateStore.get(context, elementContext, elementId);
-      if (!element.isPresent()) {
-        return; // deleted by parent when hierarchy was deleted
-      }
-      elementPrivateStore.delete(context, elementContext, element.get());
-    }
-  }};
-
-  private RuntimeException getMissingElementException(ElementContext elementContext,
-                                                      Id elementId) {
-    return new IllegalStateException(
-        String.format("Item Id %s, version Id %s, revision Id %s: Missing element with Id %s",
-            elementContext.getItemId().getValue(), elementContext.getVersionId().getValue(),
-            elementContext.getRevisionId().getValue(), elementId.getValue())
-    );
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/SyncService.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/SyncService.java
deleted file mode 100644
index 04a7e9ffb1..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/SyncService.java
+++ /dev/null
@@ -1,384 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeChange;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeConflict;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeResult;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-import java.util.function.Function;
-import java.util.function.Predicate;
-import java.util.stream.Collectors;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
-
-public class SyncService {
-  private static final String PULL_NON_EXISTING_VERSION =
-      "Item Id %s, version Id %s: Non existing version cannot be synced.";
-  private static final String PUBLIC_SYNC_STATE_EXISTS_WITHOUT_ELEMENT =
-      "Item Id %s, version Id %s: Sync state of element with Id %s " +
-          "exists in public space while the element does not";
-  private static final String PRIVATE_UNPUBLISHED_SYNC_STATE_EXISTS_WITHOUT_ELEMENT =
-      "Item Id %s, version Id %s: Sync state of unpublished element with Id %s " +
-          "exists in private space while the element does not";
-
-  private VersionPublicStore versionPublicStore;
-  private VersionPrivateStore versionPrivateStore;
-  private VersionStageStore versionStageStore;
-  private ElementPublicStore elementPublicStore;
-  private ElementPrivateStore elementPrivateStore;
-  private ElementStageStore elementStageStore;
-
-  public SyncService(VersionPublicStore versionPublicStore,
-                     VersionPrivateStore versionPrivateStore,
-                     VersionStageStore versionStageStore,
-                     ElementPublicStore elementPublicStore,
-                     ElementPrivateStore elementPrivateStore,
-                     ElementStageStore elementStageStore) {
-    this.versionPublicStore = versionPublicStore;
-    this.versionPrivateStore = versionPrivateStore;
-    this.versionStageStore = versionStageStore;
-    this.elementPublicStore = elementPublicStore;
-    this.elementPrivateStore = elementPrivateStore;
-    this.elementStageStore = elementStageStore;
-  }
-
-  public CollaborationMergeResult sync(SessionContext context, Id itemId, Id versionId,
-                                       boolean force) {
-    SynchronizationStateEntity publicVersionSyncState =
-        versionPublicStore.getSynchronizationState(context, itemId, versionId)
-            .orElseThrow(() -> new IllegalStateException(
-                String.format(PULL_NON_EXISTING_VERSION, itemId.toString(), versionId.toString())));
-
-    Date publishTime = publicVersionSyncState.getPublishTime();
-
-    Optional<SynchronizationStateEntity> privateVersionSyncState =
-        versionPrivateStore.getSynchronizationState(context, itemId, versionId);
-
-    if (force || !privateVersionSyncState.isPresent() ||
-        !publishTime.equals(privateVersionSyncState.get().getPublishTime())) {
-      ElementContext elementContext =
-          new ElementContext(itemId, versionId, publicVersionSyncState.getRevisionId());
-
-      Collection<SynchronizationStateEntity> publicSyncStates =
-          elementPublicStore.listSynchronizationStates(context, elementContext);
-      Collection<SynchronizationStateEntity> privateSyncStates =
-          elementPrivateStore.listSynchronizationStates(context, elementContext);
-      Map<Id, SynchronizationStateEntity> publicSyncStateById = toMapById(publicSyncStates);
-
-      Set<Id> syncedElements = new HashSet<>();
-      if (force) {
-        List<SynchronizationStateEntity> dirtyPrivateSyncStates = privateSyncStates.stream()
-            .filter(SynchronizationStateEntity::isDirty)
-            .collect(Collectors.toList());
-
-        forceSyncDirtyElements(context, elementContext, dirtyPrivateSyncStates, publicSyncStateById,
-            syncedElements);
-      }
-
-      if (!privateVersionSyncState.isPresent() ||
-          !publishTime.equals(privateVersionSyncState.get().getPublishTime())) {
-        syncVersion(context, itemId, versionId, publishTime, privateVersionSyncState.isPresent());
-        syncElements(context, elementContext,
-            privateVersionSyncState.map(SynchronizationStateEntity::getPublishTime).orElse(null),
-            publicSyncStates, privateSyncStates, publicSyncStateById, syncedElements);
-      }
-    }
-
-    return createResult();
-  }
-
-  private CollaborationMergeResult createResult() {
-    CollaborationMergeResult result = new CollaborationMergeResult();
-    result.setChange(new CollaborationMergeChange());
-    result.setConflict(new CollaborationMergeConflict());
-    return result;
-  }
-
-  private void syncVersion(SessionContext context, Id itemId, Id versionId, Date publishTime,
-                           boolean versionExistOnPrivate) {
-    if (versionExistOnPrivate) {
-      stageVersion(context, itemId, new VersionEntity(versionId), Action.UPDATE, publishTime);
-    } else {
-      stageVersion(context, itemId, versionPublicStore.get(context, itemId, versionId)
-              .orElseThrow(() -> new IllegalArgumentException(String
-                  .format(PULL_NON_EXISTING_VERSION, itemId.toString(), versionId.toString()))),
-          Action.CREATE, publishTime);
-    }
-  }
-
-  private void syncElements(SessionContext context, ElementContext elementContext,
-                            Date previousSyncedPublishTime,
-                            Collection<SynchronizationStateEntity> publicSyncStates,
-                            Collection<SynchronizationStateEntity> privateSyncStates,
-                            Map<Id, SynchronizationStateEntity> publicSyncStateById,
-                            Set<Id> syncedElements) {
-    Map<Id, SynchronizationStateEntity> privateSyncStateById = toMapById(privateSyncStates);
-
-    Collection<SynchronizationStateEntity> updatedPublicSyncStates =
-        previousSyncedPublishTime == null
-            ? publicSyncStates
-            : publicSyncStates.stream()
-                .filter(syncState -> syncState.getPublishTime().after(previousSyncedPublishTime))
-                .collect(Collectors.toList());
-
-    syncPublicUpdatedElements(context, elementContext, updatedPublicSyncStates,
-        publicSyncStateById, privateSyncStateById, syncedElements);
-
-    List<SynchronizationStateEntity> onlyOnPrivatePublishedSyncStates =
-        privateSyncStates.stream()
-            .filter(syncState -> !publicSyncStateById.containsKey(syncState.getId()) &&
-                syncState.getPublishTime() != null)
-            .collect(Collectors.toList());
-
-    syncPublicDeletedElements(context, elementContext, onlyOnPrivatePublishedSyncStates,
-        publicSyncStateById, privateSyncStateById, syncedElements);
-  }
-
-  private void syncPublicUpdatedElements(SessionContext context, ElementContext elementContext,
-                                         Collection<SynchronizationStateEntity> updatedPublicSyncStates,
-                                         Map<Id, SynchronizationStateEntity> publicSyncStateById,
-                                         Map<Id, SynchronizationStateEntity> privateSyncStateById,
-                                         Set<Id> syncedElements) {
-    for (SynchronizationStateEntity publicSyncState : updatedPublicSyncStates) {
-      if (syncedElements.contains(publicSyncState.getId())) {
-        continue;
-      }
-
-      ElementEntity publicElement =
-          elementPublicStore.get(context, elementContext, publicSyncState.getId()).orElseThrow(
-              () -> new IllegalStateException(String
-                  .format(PUBLIC_SYNC_STATE_EXISTS_WITHOUT_ELEMENT,
-                      elementContext.getItemId().getValue(),
-                      elementContext.getVersionId().getValue(),
-                      publicSyncState.getId().getValue())));
-
-      SynchronizationStateEntity privateSyncState =
-          privateSyncStateById.get(publicSyncState.getId());
-
-      if (privateSyncState != null) {
-        if (!privateSyncState.isDirty()) {
-          // not changed on private
-          stageElement(context, elementContext, publicElement,
-              publicSyncState.getPublishTime(),
-              Action.UPDATE, false, null);
-          syncedElements.add(publicSyncState.getId());
-        } else {
-          Optional<ElementEntity> privateElement =
-              elementPrivateStore.get(context, elementContext, publicSyncState.getId());
-
-          if (privateElement.isPresent()) {
-            // updated on private - conflict if it has different hash
-            stageElement(context, elementContext, publicElement,
-                publicSyncState.getPublishTime(), Action.UPDATE,
-                !publicElement.getElementHash().equals(privateElement.get().getElementHash()),
-                null);
-
-            syncedElements.add(publicSyncState.getId());
-          } else {
-            // deleted on private - conflict tree
-            Set<Id> changeTreeElementIds =
-                stagePublicElementTree(context, elementContext, publicElement, publicSyncStateById,
-                    (treeElementIds) -> true);
-            syncedElements.addAll(changeTreeElementIds);
-          }
-        }
-      } else {
-        // not existing on private - new creation on public
-        Set<Id> changeTreeElementIds =
-            stagePublicElementTree(context, elementContext, publicElement, publicSyncStateById,
-                (treeElementIds) -> containsDirty(treeElementIds, privateSyncStateById));
-        syncedElements.addAll(changeTreeElementIds);
-      }
-    }
-  }
-
-  private void syncPublicDeletedElements(
-      SessionContext context, ElementContext elementContext,
-      Collection<SynchronizationStateEntity> onlyOnPrivatePublishedSyncStates,
-      Map<Id, SynchronizationStateEntity> publicSyncStateById,
-      Map<Id, SynchronizationStateEntity> privateSyncStateById,
-      Set<Id> syncedElements) {
-    for (SynchronizationStateEntity privateSyncState : onlyOnPrivatePublishedSyncStates) {
-      if (syncedElements.contains(privateSyncState.getId())) {
-        continue;
-      }
-
-      Optional<ElementEntity> privateElement =
-          elementPrivateStore.get(context, elementContext, privateSyncState.getId());
-
-      if (!privateElement.isPresent()) {
-        // deleted on private as well
-        stageElement(context, elementContext, new ElementEntity(privateSyncState.getId()),
-            null, Action.DELETE, false, null);
-        syncedElements.add(privateSyncState.getId());
-      } else {
-        Set<Id> changeTreeElementIds =
-            stageElementTree(context, elementContext, privateElement.get(),
-                elementPrivateStore, publicSyncStateById::containsKey,
-                (treeElementIds) -> containsDirty(treeElementIds, privateSyncStateById),
-                (elementId) -> null, Action.DELETE);
-        syncedElements.addAll(changeTreeElementIds);
-      }
-    }
-  }
-
-  private void forceSyncDirtyElements(SessionContext context, ElementContext elementContext,
-                                      List<SynchronizationStateEntity> dirtyPrivateSyncStates,
-                                      Map<Id, SynchronizationStateEntity> publicSyncStateById,
-                                      Set<Id> syncedElements) {
-    for (SynchronizationStateEntity privateSyncState : dirtyPrivateSyncStates) {
-      Optional<ElementEntity> privateElement =
-          elementPrivateStore.get(context, elementContext, privateSyncState.getId());
-      if (privateSyncState.getPublishTime() == null) {
-        stageElement(context, elementContext,
-            privateElement.orElseThrow(() -> new IllegalStateException(
-                String.format(PRIVATE_UNPUBLISHED_SYNC_STATE_EXISTS_WITHOUT_ELEMENT,
-                    elementContext.getItemId().getValue(),
-                    elementContext.getVersionId().getValue(),
-                    privateSyncState.getId().getValue()))),
-            null, Action.DELETE, false, null);
-      } else {
-        SynchronizationStateEntity publicSyncState =
-            publicSyncStateById.get(privateSyncState.getId());
-        if (publicSyncState != null) {
-          ElementEntity publicElement =
-              elementPublicStore.get(context, elementContext, privateSyncState.getId()).orElseThrow(
-                  () -> new IllegalStateException(String
-                      .format(PUBLIC_SYNC_STATE_EXISTS_WITHOUT_ELEMENT,
-                          elementContext.getItemId().getValue(),
-                          elementContext.getVersionId().getValue(),
-                          privateSyncState.getId().getValue())));
-
-          stageElement(context, elementContext, publicElement, publicSyncState.getPublishTime(),
-              privateElement.isPresent() ? Action.UPDATE : Action.CREATE, false, null);
-        } else {
-          stageElement(context, elementContext, privateElement.isPresent()
-                  ? privateElement.get()
-                  : new ElementEntity(privateSyncState.getId()),
-              null, Action.DELETE, false, null);
-        }
-      }
-      syncedElements.add(privateSyncState.getId());
-    }
-  }
-
-  private Set<Id> stagePublicElementTree(SessionContext context,
-                                         ElementContext elementContext,
-                                         ElementEntity publicElement,
-                                         Map<Id, SynchronizationStateEntity> publicSyncStateById,
-                                         Predicate<Set<Id>> isElementTreeConflicted) {
-
-
-    return stageElementTree(context, elementContext, publicElement,
-        elementPublicStore,
-        (elementId) -> elementPrivateStore.getDescriptor(context, elementContext, elementId)
-            .isPresent(),
-        isElementTreeConflicted,
-        (elementId) -> publicSyncStateById.get(elementId).getPublishTime(),
-        Action.CREATE);
-  }
-
-  private Set<Id> stageElementTree(SessionContext context, ElementContext elementContext,
-                                   ElementEntity element,
-                                   ElementStore elementStore,
-                                   Predicate<Id> isElementExist,
-                                   Predicate<Set<Id>> isElementTreeConflicted,
-                                   Function<Id, Date> stagePublishTimeGetter,
-                                   Action stageAction) {
-    ElementEntity elementTreeRoot = findRootElementOfChange(context, elementContext,
-        elementStore, isElementExist, element);
-
-    Set<Id> elementTreeIds = new HashSet<>();
-    elementTreeIds.add(elementTreeRoot.getId());
-
-    Set<Id> subElementIds = stageElementSubs(context, elementContext, elementStore, elementTreeRoot,
-        stagePublishTimeGetter, stageAction);
-    elementTreeIds.addAll(subElementIds);
-
-    boolean conflicted = isElementTreeConflicted.test(elementTreeIds);
-    stageElement(context, elementContext, elementTreeRoot,
-        stagePublishTimeGetter.apply(elementTreeRoot.getId()), stageAction, conflicted,
-        conflicted ? subElementIds : null);
-    return elementTreeIds;
-  }
-
-  private ElementEntity findRootElementOfChange(SessionContext context,
-                                                ElementContext elementContext,
-                                                ElementStore elementStore,
-                                                Predicate<Id> isElementExistOnOppositeStore,
-                                                ElementEntity element) {
-    return element.getId().equals(ROOT_ELEMENTS_PARENT_ID) ||
-        isElementExistOnOppositeStore.test(element.getParentId())
-        ? element
-        : findRootElementOfChange(context, elementContext, elementStore,
-            isElementExistOnOppositeStore,
-            elementStore.get(context, elementContext, element.getParentId())
-                .orElseThrow(() -> new IllegalStateException(
-                    String.format("Element %s exists while its parent element %s does not",
-                        element.getId(), element.getParentId()))));
-  }
-
-  private boolean containsDirty(Set<Id> elementIds,
-                                Map<Id, SynchronizationStateEntity> syncStateById) {
-    return elementIds.stream().anyMatch(elementId -> {
-      SynchronizationStateEntity privateSyncState = syncStateById.get(elementId);
-      return privateSyncState != null && privateSyncState.isDirty();
-    });
-  }
-
-  private Set<Id> stageElementSubs(SessionContext context, ElementContext elementContext,
-                                   ElementStore elementStore, ElementEntity parentElement,
-                                   Function<Id, Date> stagePublishTimeGetter, Action stageAction) {
-    Set<Id> elementTreeIds = new HashSet<>();
-    for (Id elementId : parentElement.getSubElementIds()) {
-      ElementEntity element = elementStore.get(context, elementContext, elementId).get();
-
-      stageElement(context, elementContext, element, stagePublishTimeGetter.apply(elementId),
-          stageAction, false, null);
-
-      elementTreeIds.add(elementId);
-      elementTreeIds.addAll(
-          stageElementSubs(context, elementContext, elementStore, element, stagePublishTimeGetter,
-              stageAction));
-    }
-    return elementTreeIds;
-  }
-
-  private void stageElement(SessionContext context, ElementContext elementContext,
-                            ElementEntity element, Date publishTime, Action action,
-                            boolean conflicted, Set<Id> conflictDependents) {
-    StageEntity<ElementEntity> elementStage =
-        new StageEntity<>(element, publishTime, action, conflicted);
-    if (conflictDependents != null) {
-      elementStage.setConflictDependents(
-          conflictDependents.stream().map(ElementEntity::new).collect(Collectors.toSet()));
-    }
-    elementStageStore.create(context, elementContext, elementStage);
-  }
-
-  private void stageVersion(SessionContext context, Id itemId, VersionEntity stageVersion,
-                            Action stageAction, Date publishTime) {
-    versionStageStore
-        .create(context, itemId, new StageEntity<>(stageVersion, publishTime, stageAction, false));
-  }
-
-  private Map<Id, SynchronizationStateEntity> toMapById(
-      Collection<SynchronizationStateEntity> syncStates) {
-    return syncStates.stream()
-        .collect(Collectors.toMap(SynchronizationStateEntity::getId, Function.identity()));
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPrivateStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPrivateStore.java
deleted file mode 100644
index a024327548..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPrivateStore.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Date;
-import java.util.Optional;
-
-public interface VersionPrivateStore {
-  Optional<VersionEntity> get(SessionContext context, Id itemId, Id versionId);
-
-  Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context, Id itemId,
-                                                               Id versionId);
-
-  void create(SessionContext context, Id itemId, VersionEntity version);
-
-  void update(SessionContext context, Id itemId, VersionEntity version);
-
-  void update(SessionContext context, Id itemId, VersionEntity version, Date publishTime,
-              boolean dirty);
-
-  void delete(SessionContext context, Id itemId, VersionEntity version);
-
-  void markAsPublished(SessionContext context, Id itemId, Id versionId, Date publishTime);
-
-  void commitStagedCreate(SessionContext context, Id itemId, VersionEntity version,
-                          Date publishTime);
-
-  void commitStagedUpdate(SessionContext context, Id itemId, VersionEntity version,
-                          Date publishTime);
-
-  void commitStagedIgnore(SessionContext context, Id itemId, VersionEntity version,
-                          Date publishTime);
-
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPublicStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPublicStore.java
deleted file mode 100644
index c86db0ec43..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionPublicStore.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.itemversion.ItemVersionRevisions;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Date;
-import java.util.Map;
-import java.util.Optional;
-
-public interface VersionPublicStore {
-
-  Optional<VersionEntity> get(SessionContext context, Id itemId, Id versionId);
-
-  Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                                               Id itemId, Id versionId);
-
-  void create(SessionContext context, Id itemId, VersionEntity version, Id revisionId,
-              Map<Id, Id> versionElementIds, Date publishTime, String message);
-
-  void update(SessionContext context, Id itemId, VersionEntity version, Id revisionId,
-              Map<Id, Id> versionElementIds, Date publishTime, String message);
-
-  boolean checkHealth(SessionContext context);
-
-  ItemVersionRevisions listItemVersionRevisions(SessionContext context, Id itemId, Id versionId);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionStageStore.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionStageStore.java
deleted file mode 100644
index 5058a262cc..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/VersionStageStore.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Optional;
-
-public interface VersionStageStore {
-
-  Optional<StageEntity<VersionEntity>> get(SessionContext context, Id itemId,
-                                           VersionEntity versionEntity);
-
-  void create(SessionContext context, Id itemId, StageEntity<VersionEntity> versionStage);
-
-  void delete(SessionContext context, Id itemId, VersionEntity version);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPrivateStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPrivateStoreImpl.java
deleted file mode 100644
index 9f54ee3ae2..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPrivateStoreImpl.java
+++ /dev/null
@@ -1,269 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.ZusammenPluginConstants;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementPrivateStore;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateElementContext;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateSpaceName;
-
-public class ElementPrivateStoreImpl implements ElementPrivateStore {
-  private static final Id REVISION_ID = Id.ZERO; // the private revision id is Id.ZERO 0000000...
-
-  @Override
-  public Map<Id, Id> listIds(SessionContext context, ElementContext elementContext) {
-    return getElementRepository(context)
-        .listIds(context, new ElementEntityContext(getPrivateSpaceName(context), elementContext));
-  }
-
-  @Override
-  public Collection<ElementEntity> listSubs(SessionContext context, ElementContext elementContext,
-                                            Id elementId) {
-    if (elementId == null) {
-      elementId = ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
-    }
-
-    ElementRepository elementRepository = getElementRepository(context);
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-    return elementRepository.get(context, privateContext, new ElementEntity(elementId))
-        .map(ElementEntity::getSubElementIds).orElse(new HashSet<>()).stream()
-        .map(subElementId -> elementRepository
-            .get(context, privateContext, new ElementEntity(subElementId)).get())
-        .filter(Objects::nonNull)
-        .collect(Collectors.toList());
-  }
-
-  @Override
-  public Optional<ElementEntity> get(SessionContext context, ElementContext elementContext,
-                                     Id elementId) {
-    ElementEntityContext privateElementContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateElementContext.setRevisionId(REVISION_ID);
-    return getElementRepository(context)
-        .get(context, privateElementContext,
-            new ElementEntity(elementId));
-  }
-
-  @Override
-  public Optional<ElementEntity> getDescriptor(SessionContext context,
-                                               ElementContext elementContext, Id elementId) {
-    return getElementRepository(context)
-        .getDescriptor(context,
-            new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext
-                (elementContext)),
-            new ElementEntity(elementId));
-  }
-
-  @Override
-  public Collection<SynchronizationStateEntity> listSynchronizationStates(SessionContext context,
-                                                                          ElementContext elementContext) {
-    ElementEntityContext privateElementContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    return getElementSyncStateRepository(context)
-        .list(context, privateElementContext);
-  }
-
-  @Override
-  public Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                                                      ElementContext elementContext,
-                                                                      Id elementId) {
-
-    ElementEntityContext privateElementContext =
-        new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext
-            (elementContext));
-    return getElementSyncStateRepository(context)
-        .get(context, privateElementContext,
-            new SynchronizationStateEntity(elementId, REVISION_ID));
-  }
-
-  @Override
-  public void create(SessionContext context, ElementContext elementContext, ElementEntity element) {
-    create(context, elementContext, element, true, null);
-  }
-
-  @Override
-  public boolean update(SessionContext context, ElementContext elementContext,
-                        ElementEntity element) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-
-    if (!isElementChanged(context, privateContext, element)) {
-      return false;
-    }
-
-    getElementRepository(context).update(context, privateContext, element);
-    getElementSyncStateRepository(context).markAsDirty(context, privateContext,
-        new SynchronizationStateEntity(element.getId(), REVISION_ID));
-    return true;
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementContext elementContext, ElementEntity element) {
-
-    ElementEntityContext privateElementContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateElementContext.setRevisionId(REVISION_ID);
-    deleteElementHierarchy(context, getElementRepository(context),
-        getElementSyncStateRepository(context),
-        privateElementContext, element);
-  }
-
-  @Override
-  public void markAsPublished(SessionContext context, ElementContext elementContext, Id elementId,
-                              Date publishTime) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-    getElementSyncStateRepository(context).update(context,
-        privateContext,
-        new SynchronizationStateEntity(elementId, REVISION_ID, publishTime, false));
-  }
-
-  @Override
-  public void markDeletionAsPublished(SessionContext context, ElementContext elementContext,
-                                      Id elementId, Date publishTime) {
-
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-    getElementSyncStateRepository(context).delete(context,
-        privateContext,
-        new SynchronizationStateEntity(elementId, REVISION_ID));
-  }
-
-  @Override
-  public void commitStagedCreate(SessionContext context, ElementContext elementContext,
-                                 ElementEntity element, Date publishTime) {
-    create(context, elementContext, element, false, publishTime);
-  }
-
-  @Override
-  public void commitStagedUpdate(SessionContext context, ElementContext elementContext,
-                                 ElementEntity element, Date publishTime) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-
-    getElementRepository(context).update(context, privateContext, element);
-    // Currently Resolution='Other' is not supported so this is invoked after conflict was
-    // resolved with Resolution='Theirs' so dirty flag should be turned off.
-    // (if there was no conflict it's off anyway)
-    getElementSyncStateRepository(context).update(context, privateContext,
-        new SynchronizationStateEntity(element.getId(), REVISION_ID, publishTime, false));
-  }
-
-  @Override
-  public void commitStagedDelete(SessionContext context, ElementContext elementContext,
-                                 ElementEntity element) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-    getElementRepository(context).delete(context, privateContext, element);
-    getElementSyncStateRepository(context)
-        .delete(context, privateContext,
-            new SynchronizationStateEntity(element.getId(), REVISION_ID));
-  }
-
-  @Override
-  public void commitStagedIgnore(SessionContext context, ElementContext elementContext,
-                                 ElementEntity element, Date publishTime) {
-    // publish time - updated to mark that this element was already synced with this publish time
-    // (even though the local data was preferred) and to prevent this conflict again.
-    // dirty - turned on because the local data which is different than the public one was
-    // preferred. It will enable future publication of this data.
-    getElementSyncStateRepository(context).update(context,
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext),
-        new SynchronizationStateEntity(element.getId(), REVISION_ID, publishTime, true));
-  }
-
-  private void create(SessionContext context, ElementContext elementContext,
-                      ElementEntity element, boolean dirty, Date publishTime) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), elementContext);
-    privateContext.setRevisionId(REVISION_ID);
-    getElementRepository(context).create(context, privateContext, element);
-    getElementSyncStateRepository(context).create(context, privateContext,
-        new SynchronizationStateEntity(element.getId(), REVISION_ID, publishTime, dirty));
-  }
-
-
-  private void deleteElementHierarchy(
-      SessionContext context, ElementRepository elementRepository,
-      ElementSynchronizationStateRepository elementSyncStateRepository,
-      ElementEntityContext elementContext, ElementEntity element) {
-
-    Optional<ElementEntity> retrieved = elementRepository.get(context, elementContext, element);
-    if (!retrieved.isPresent()) {
-      return;
-    }
-    retrieved.get().getSubElementIds().stream()
-        .map(ElementEntity::new)
-        .forEach(subElementEntity -> deleteElementHierarchy(
-            context, elementRepository, elementSyncStateRepository, elementContext,
-            subElementEntity));
-
-    // only for the first one the parentId will populated (so it'll be removed from its parent)
-    elementRepository.delete(context, elementContext, element);
-    handleDeletedElementSyncState(context, elementSyncStateRepository, elementContext, element);
-  }
-
-  private void handleDeletedElementSyncState(SessionContext context,
-                                             ElementSynchronizationStateRepository elementSyncStateRepository,
-                                             ElementEntityContext elementContext,
-                                             ElementEntity element) {
-    SynchronizationStateEntity elementSyncState = new SynchronizationStateEntity(element.getId(),
-        REVISION_ID);
-    if (elementSyncStateRepository.get(context, elementContext, elementSyncState).
-        orElseThrow(
-            () -> new IllegalStateException("Synchronization state must exist for an element"))
-        .getPublishTime() == null) {
-      elementSyncStateRepository.delete(context, elementContext, elementSyncState);
-    } else {
-      elementSyncStateRepository.markAsDirty(context, elementContext, elementSyncState);
-    }
-  }
-
-  private boolean isElementChanged(SessionContext context,
-                                   ElementEntityContext elementContext,
-                                   ElementEntity newElement) {
-    return getElementHash(context, elementContext, new ElementEntity(newElement.getId()))
-        .map(existingHash -> !newElement.getElementHash().equals(existingHash))
-        .orElse(true);
-  }
-
-  private Optional<Id> getElementHash(SessionContext context,
-                                      ElementEntityContext elementEntityContext,
-                                      ElementEntity element) {
-    return getElementRepository(context).getHash(context, elementEntityContext, element);
-  }
-
-  protected ElementRepository getElementRepository(SessionContext context) {
-    return ElementRepositoryFactory.getInstance().createInterface(context);
-  }
-
-  protected ElementSynchronizationStateRepository getElementSyncStateRepository(
-      SessionContext context) {
-    return ElementSynchronizationStateRepositoryFactory.getInstance().createInterface(context);
-  }
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPublicStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPublicStoreImpl.java
deleted file mode 100644
index d946a529ce..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementPublicStoreImpl.java
+++ /dev/null
@@ -1,189 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.Space;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementPublicStore;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Optional;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getSpaceName;
-
-public class ElementPublicStoreImpl implements ElementPublicStore {
-
-  @Override
-  public Optional<ElementEntity> get(SessionContext context,
-                                     ElementContext elementContext, Id elementId) {
-    return getElementRepository(context)
-        .get(context, new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext),
-            new ElementEntity(elementId));
-  }
-
-  @Override
-  public Optional<ElementEntity> getDescriptor(SessionContext context,
-                                               ElementContext elementContext, Id elementId) {
-    return getElementRepository(context).getDescriptor(context,
-        new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext),
-        new ElementEntity(elementId));
-  }
-
-  @Override
-  public Collection<SynchronizationStateEntity> listSynchronizationStates(
-      SessionContext context, ElementContext elementContext) {
-    ElementEntityContext entityContext = new ElementEntityContext(getSpaceName
-        (context, Space.PUBLIC), elementContext);
-
-    ElementSynchronizationStateRepository elementSyncStateRepository =
-        getElementSyncStateRepository(context);
-    Map<Id, Id> ids = getElementRepository(context).listIds(context, entityContext);
-
-    Collection<SynchronizationStateEntity> synchronizationStateEntities = new HashSet<>();
-    for (Map.Entry<Id, Id> elementEntry : ids.entrySet()) {
-      Optional<SynchronizationStateEntity> synchronizationStateEntity = elementSyncStateRepository.
-          get(context, entityContext, new SynchronizationStateEntity(elementEntry.getKey(),
-              elementEntry.getValue()));
-      if (synchronizationStateEntity.isPresent()) {
-        synchronizationStateEntities.add(synchronizationStateEntity.get());
-      } else {
-        /*throw new IllegalStateException(String.format(
-            "list Synchronization States error: " + "element %s revision %s, which appears as an " +
-                "element of " +
-                "item" +
-                " %s version %s, does not exist",
-            elementEntry.getKey(), elementEntry.getValue(), elementContext.getItemId().getValue(),
-            elementContext.getVersionId().getValue()));*/
-      }
-    }
-
-    return synchronizationStateEntities;
-  }
-
-  @Override
-  public void create(SessionContext context, ElementContext elementContext,
-                     ElementEntity element, Date publishTime) {
-    ElementEntityContext publicContext =
-        new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext);
-
-
-    if (element.getParentId() != null) {
-      createParentElement(context, elementContext, element.getParentId(), publishTime);
-    }
-    getElementRepository(context).create(context, publicContext, element);
-    getElementSyncStateRepository(context).create(context, publicContext,
-        new SynchronizationStateEntity(element.getId(), elementContext.getRevisionId(),
-            publishTime, false));
-  }
-
-  @Override
-  public void update(SessionContext context, ElementContext elementContext,
-                     ElementEntity element, Date publishTime) {
-    //todo - update in public should be create new entry with new revision_id in public - this is a
-    // new revision
-    ElementEntityContext publicContext =
-        new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext);
-
-    Optional<ElementEntity> publicElement = getElementRepository(context).get(context,
-        publicContext, new ElementEntity(element.getId()));
-    if (publicElement.isPresent()) {
-      getElementRepository(context).update(context, publicContext, element);
-    } else {
-       publicElement = get(context,new ElementContext(publicContext.getItemId(),publicContext
-           .getVersionId()),element.getId());
-       element.setSubElementIds(publicElement.get().getSubElementIds());
-      getElementRepository(context).create(context, publicContext, element);
-    }
-    getElementSyncStateRepository(context).update(context, publicContext,
-        new SynchronizationStateEntity(element.getId(), elementContext.getRevisionId(), publishTime,
-            false));
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementContext elementContext,
-                     ElementEntity element, Date publishTime) {
-    ElementEntityContext publicContext =
-        new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext);
-
-    if (element.getParentId() != null) {
-      Optional<ElementEntity> parentElement = get(context, elementContext, element.getParentId());
-      if (parentElement.isPresent()) {
-        createParentElement(context, elementContext, element.getParentId(), publishTime);
-      }
-    }
-
-    getElementRepository(context).delete(context, publicContext, element);
-    getElementSyncStateRepository(context)
-        .delete(context, publicContext, new SynchronizationStateEntity(element.getId(),
-            elementContext.getRevisionId()));
-  }
-
-  @Override
-  public Map<Id, Id> listIds(SessionContext context, ElementContext elementContext) {
-
-    return getElementRepository(context)
-        .listIds(context,
-            new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext));
-
-  }
-
-  private void createParentElement(SessionContext context, ElementContext elementContext,
-                                   Id parentElementId, Date publishTime
-  ) {
-    ElementEntityContext publicContext =
-        new ElementEntityContext(getSpaceName(context, Space.PUBLIC), elementContext);
-
-    Optional<ElementEntity> parentElement =
-        getElementRepository(context).get(context, new ElementEntityContext
-                (publicContext.getSpace(), publicContext.getItemId(), publicContext.getVersionId(),
-                    elementContext.getRevisionId()),
-            new ElementEntity(parentElementId));
-    if(parentElement.isPresent()) {
-      update(context, elementContext, parentElement.get(), publishTime);
-    }
-
-
-   /* Id elementRevisionId = getElementRevision(context, publicContext, elementContext.getRevisionId()
-        , parentElementId);
-
-    if (elementRevisionId != null && !elementRevisionId.equals(elementContext.getRevisionId())) {
-      Optional<ElementEntity> parentElement =
-          getElementRepository(context).get(context, new ElementEntityContext
-                  (publicContext.getSpace(), publicContext.getItemId(), publicContext.getVersionId(),
-                      elementContext.getRevisionId()),
-              new ElementEntity(parentElementId));
-      elementRevisionId = getElementRevision(context, publicContext, elementContext.getRevisionId()
-          , parentElement.get().getId());
-      if (elementRevisionId != null) {
-        update(context, elementContext, parentElement.get(), publishTime);
-      } else {
-        create(context, elementContext, parentElement.get(), publishTime);
-      }
-
-    }*/
-  }
-
-
-
-
-  protected ElementRepository getElementRepository(SessionContext context) {
-    return ElementRepositoryFactory.getInstance().createInterface(context);
-  }
-
-  protected ElementSynchronizationStateRepository getElementSyncStateRepository(
-      SessionContext context) {
-    return ElementSynchronizationStateRepositoryFactory.getInstance().createInterface(context);
-  }
-
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImpl.java
deleted file mode 100644
index f6c29432df..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImpl.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.Resolution;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementStageStore;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-
-import java.util.Collection;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateElementContext;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateSpaceName;
-
-public class ElementStageStoreImpl implements ElementStageStore {
-
-  @Override
-  public Collection<ElementEntity> listIds(SessionContext context, ElementContext elementContext) {
-    return getElementStageRepository(context)
-        .listIds(context, new ElementEntityContext(getPrivateSpaceName(context),
-            getPrivateElementContext(elementContext)));
-  }
-
-  @Override
-  public Optional<StageEntity<ElementEntity>> get(SessionContext context,
-                                                  ElementContext elementContext,
-                                                  ElementEntity element) {
-    return getElementStageRepository(context).get(context,
-        new ElementEntityContext(getPrivateSpaceName(context),
-            getPrivateElementContext(elementContext)),
-        element);
-  }
-
-  @Override
-  public Optional<StageEntity<ElementEntity>> getConflicted(SessionContext context,
-                                                            ElementContext elementContext,
-                                                            ElementEntity element) {
-    return get(context, elementContext, element).filter(StageEntity::isConflicted);
-  }
-
-  @Override
-  public boolean hasConflicts(SessionContext context, ElementContext elementContext) {
-    return !getElementStageRepository(context).listConflictedIds(context,
-        new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext(elementContext))).isEmpty();
-  }
-
-  @Override
-  public Collection<StageEntity<ElementEntity>> listConflictedDescriptors(SessionContext context,
-                                                                          ElementContext elementContext) {
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext
-            (elementContext));
-    ElementStageRepository elementStageRepository = getElementStageRepository(context);
-
-    return elementStageRepository.listConflictedIds(context, privateContext).stream()
-        .map(conflictedElement -> elementStageRepository
-            .getDescriptor(context, privateContext, conflictedElement).get())
-        .collect(Collectors.toList());
-  }
-
-  @Override
-  public void create(SessionContext context, ElementContext elementContext,
-                     StageEntity<ElementEntity> elementStage) {
-    getElementStageRepository(context)
-        .create(context,
-            new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext(elementContext)),
-            elementStage);
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementContext elementContext, ElementEntity element) {
-    getElementStageRepository(context)
-        .delete(context,
-            new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext(elementContext)),
-            element);
-  }
-
-
-  @Override
-  public void resolveConflict(SessionContext context, ElementContext elementContext,
-                              ElementEntity element, Resolution resolution) {
-    Optional<StageEntity<ElementEntity>> stagedElement =
-        getConflicted(context, elementContext, element);
-    if (!stagedElement.isPresent()) {
-      return;
-    }
-
-    ElementEntityContext privateContext =
-        new ElementEntityContext(getPrivateSpaceName(context), getPrivateElementContext
-            (elementContext));
-
-    switch (resolution) {
-      case YOURS:
-        resolveConflictByYours(context, privateContext, stagedElement.get());
-        break;
-      case THEIRS:
-        resolveConflictByTheirs(context, privateContext, stagedElement.get());
-        break;
-      case OTHER: // other = data updates only? no data deletions? if so, then:
-        // conflicted = false
-        // element = the input of resolve
-        // action = update
-        throw new UnsupportedOperationException("'Other' conflict resolution is not yet supported");
-      default:
-        break;
-    }
-  }
-
-  private void resolveConflictByYours(SessionContext context, ElementEntityContext privateContext,
-                                      StageEntity<ElementEntity> stagedElement) {
-    getElementStageRepository(context)
-        .markAsNotConflicted(context, privateContext, stagedElement.getEntity(), Action.IGNORE);
-    stagedElement.getConflictDependents().forEach(conflictDependant ->
-        getElementStageRepository(context)
-            .markAsNotConflicted(context, privateContext, conflictDependant, Action.IGNORE));
-  }
-
-  private void resolveConflictByTheirs(SessionContext context, ElementEntityContext privateContext,
-                                       StageEntity<ElementEntity> stagedElement) {
-    getElementStageRepository(context)
-        .markAsNotConflicted(context, privateContext, stagedElement.getEntity());
-  }
-
-  protected ElementStageRepository getElementStageRepository(SessionContext context) {
-    return ElementStageRepositoryFactory.getInstance().createInterface(context);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPrivateStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPrivateStoreImpl.java
deleted file mode 100644
index 11e61ab5a9..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPrivateStoreImpl.java
+++ /dev/null
@@ -1,117 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionPrivateStore;
-import org.openecomp.core.zusammen.plugin.dao.VersionDao;
-import org.openecomp.core.zusammen.plugin.dao.VersionDaoFactory;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Date;
-import java.util.Optional;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateSpaceName;
-
-public class VersionPrivateStoreImpl implements VersionPrivateStore {
-
-  Id revisionId = Id.ZERO;
-
-  @Override
-  public Optional<VersionEntity> get(SessionContext context, Id itemId, Id versionId) {
-    return getVersionDao(context).get(context, getPrivateSpaceName(context), itemId, versionId);
-  }
-
-  @Override
-  public Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                                                      Id itemId, Id versionId) {
-
-    return getVersionSyncStateRepository(context)
-        .get(context, new VersionContext(getPrivateSpaceName(context), itemId),
-            new SynchronizationStateEntity(versionId, revisionId));
-  }
-
-  @Override
-  public void create(SessionContext context, Id itemId, VersionEntity version) {
-    String privateSpace = getPrivateSpaceName(context);
-
-
-    getVersionDao(context).create(context, privateSpace, itemId, version);
-    getVersionSyncStateRepository(context).create(context, new VersionContext(privateSpace,
-            itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId, null, true));
-  }
-
-  @Override
-  public void update(SessionContext context, Id itemId, VersionEntity version) {
-
-    getVersionDao(context)
-        .updateModificationTime(context, getPrivateSpaceName(context), itemId, version.getId(),
-            version.getModificationTime());
-  }
-
-  @Override
-  public void update(SessionContext context, Id itemId, VersionEntity version, Date publishTime,
-                     boolean dirty) {
-    getVersionSyncStateRepository(context).updatePublishTime(context,
-        new VersionContext(getPrivateSpaceName(context), itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId, publishTime, dirty));
-  }
-
-  @Override
-  public void delete(SessionContext context, Id itemId, VersionEntity version) {
-    String privateSpace = getPrivateSpaceName(context);
-
-    getVersionDao(context).delete(context, privateSpace, itemId, version.getId());
-    getVersionSyncStateRepository(context).delete(context, new VersionContext(privateSpace,
-            itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId));
-  }
-
-  @Override
-  public void markAsPublished(SessionContext context, Id itemId, Id versionId, Date publishTime) {
-    getVersionSyncStateRepository(context)
-        .updatePublishTime(context, new VersionContext(getPrivateSpaceName(context), itemId),
-            new SynchronizationStateEntity(versionId, revisionId, publishTime, false));
-  }
-
-  @Override
-  public void commitStagedCreate(SessionContext context, Id itemId, VersionEntity version,
-                                 Date publishTime) {
-    String privateSpace = getPrivateSpaceName(context);
-
-    getVersionDao(context).create(context, privateSpace, itemId, version);
-    getVersionSyncStateRepository(context).create(context, new VersionContext(privateSpace,
-            itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId, publishTime, false));
-  }
-
-  @Override
-  public void commitStagedUpdate(SessionContext context, Id itemId, VersionEntity version,
-                                 Date publishTime) {
-    update(context, itemId, version, publishTime, false);
-  }
-
-  @Override
-  public void commitStagedIgnore(SessionContext context, Id itemId, VersionEntity version,
-                                 Date publishTime) {
-    getVersionSyncStateRepository(context).updatePublishTime(context,
-        new VersionContext(getPrivateSpaceName(context), itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId, publishTime, false));
-  }
-
-
-
-
-  protected VersionDao getVersionDao(SessionContext context) {
-    return VersionDaoFactory.getInstance().createInterface(context);
-  }
-
-  protected VersionSynchronizationStateRepository getVersionSyncStateRepository(
-      SessionContext context) {
-    return VersionSynchronizationStateRepositoryFactory.getInstance().createInterface(context);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPublicStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPublicStoreImpl.java
deleted file mode 100644
index aa628eb706..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionPublicStoreImpl.java
+++ /dev/null
@@ -1,135 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.Space;
-import com.amdocs.zusammen.datatypes.itemversion.ItemVersionRevisions;
-import com.amdocs.zusammen.datatypes.itemversion.Revision;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionPublicStore;
-import org.openecomp.core.zusammen.plugin.dao.VersionDao;
-import org.openecomp.core.zusammen.plugin.dao.VersionDaoFactory;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Comparator;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getSpaceName;
-
-public class VersionPublicStoreImpl implements VersionPublicStore {
-  @Override
-  public Optional<VersionEntity> get(SessionContext context, Id itemId, Id versionId) {
-    return getVersionDao(context)
-        .get(context, getSpaceName(context, Space.PUBLIC), itemId, versionId);
-  }
-
-  @Override
-  public Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                                                      Id itemId, Id versionId) {
-    Id revisionId = getLastItemVersionRevision(context, itemId,
-        versionId);
-    if (revisionId == null) {
-      return Optional.empty();
-    }
-
-    return getVersionSyncStateRepository(context)
-        .get(context, new VersionContext(getSpaceName(context, Space.PUBLIC), itemId),
-            new SynchronizationStateEntity(versionId, revisionId));
-  }
-
-
-  @Override
-  public void create(SessionContext context, Id itemId, VersionEntity version, Id revisionId,
-                     Map<Id, Id> versionElementIds, Date
-                         publishTime, String message) {
-    String publicSpace = getSpaceName(context, Space.PUBLIC);
-
-    getVersionDao(context).create(context, publicSpace, itemId, version);
-
-    getVersionDao(context).createVersionElements(context, publicSpace, itemId, version.getId(),
-        revisionId, versionElementIds, publishTime,message);
-
-    getVersionSyncStateRepository(context).create(context, new VersionContext(publicSpace,
-            itemId),
-        new SynchronizationStateEntity(version.getId(), revisionId, publishTime, false));
-  }
-
-  @Override
-  public void update(SessionContext context, Id itemId, VersionEntity version,
-                     Id revisionId, Map<Id, Id> versionElementIds, Date publishTime, String message) {
-    String publicSpace = getSpaceName(context, Space.PUBLIC);
-
-    getVersionDao(context).
-        createVersionElements(context, publicSpace, itemId, version.getId(),
-            revisionId, versionElementIds, publishTime,message);
-
-    getVersionSyncStateRepository(context).
-        updatePublishTime(context, new VersionContext(publicSpace, itemId),
-            new SynchronizationStateEntity(version.getId(), revisionId, publishTime, false));
-  }
-
-  @Override
-  public boolean checkHealth(SessionContext context) {
-    return getVersionDao(context).checkHealth(context);
-  }
-
-  @Override
-  public ItemVersionRevisions listItemVersionRevisions(SessionContext context, Id itemId,
-                                                       Id versionId) {
-    VersionContext entityContext = new VersionContext(getSpaceName(context, Space.PUBLIC), itemId);
-    List<SynchronizationStateEntity> versionRevisions = getVersionSyncStateRepository(context)
-        .list(context, entityContext, new VersionEntity(versionId));
-
-    if (versionRevisions == null || versionRevisions.size() == 0) {
-      return null;
-    }
-
-    versionRevisions.sort(new Comparator<SynchronizationStateEntity>() {
-      @Override
-      public int compare(SynchronizationStateEntity o1, SynchronizationStateEntity o2) {
-        if (o1.getPublishTime().after(o2.getPublishTime())) {
-          return -1;
-        } else {
-          return 1;
-        }
-      }
-    });
-    ItemVersionRevisions itemVersionRevisions = new ItemVersionRevisions();
-    versionRevisions.forEach(synchronizationStateEntity -> itemVersionRevisions.addChange
-        (convertSyncState2Revision(synchronizationStateEntity)));
-    return itemVersionRevisions;
-  }
-
-  private Revision convertSyncState2Revision(
-      SynchronizationStateEntity synchronizationStateEntity) {
-    Revision revision = new Revision();
-    revision.setRevisionId(synchronizationStateEntity.getRevisionId());
-    revision.setTime(synchronizationStateEntity.getPublishTime());
-    revision.setMessage(synchronizationStateEntity.getMessage());
-    revision.setUser(synchronizationStateEntity.getUser());
-    return revision;
-  }
-
-
-  private Id getLastItemVersionRevision(SessionContext context, Id itemId, Id versionId) {
-
-    ItemVersionRevisions versionRevisions = listItemVersionRevisions(context, itemId, versionId);
-    if(versionRevisions ==null ) return null;
-    return versionRevisions.getItemVersionRevisions().get(0).getRevisionId();
-  }
-
-  protected VersionDao getVersionDao(SessionContext context) {
-    return VersionDaoFactory.getInstance().createInterface(context);
-  }
-
-  protected VersionSynchronizationStateRepository getVersionSyncStateRepository(
-      SessionContext context) {
-    return VersionSynchronizationStateRepositoryFactory.getInstance().createInterface(context);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionStageStoreImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionStageStoreImpl.java
deleted file mode 100644
index dac9d257ea..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/collaboration/impl/VersionStageStoreImpl.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionStageStore;
-import org.openecomp.core.zusammen.plugin.dao.VersionStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.VersionStageRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Optional;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getPrivateSpaceName;
-
-public class VersionStageStoreImpl implements VersionStageStore {
-  @Override
-  public Optional<StageEntity<VersionEntity>> get(SessionContext context, Id itemId,
-                                                  VersionEntity versionEntity) {
-    return getVersionStageRepository(context)
-        .get(context, new VersionContext(getPrivateSpaceName(context), itemId), versionEntity);
-  }
-
-  @Override
-  public void create(SessionContext context, Id itemId, StageEntity<VersionEntity> versionStage) {
-    getVersionStageRepository(context)
-        .create(context, new VersionContext(getPrivateSpaceName(context), itemId), versionStage);
-  }
-
-  @Override
-  public void delete(SessionContext context, Id itemId, VersionEntity version) {
-    getVersionStageRepository(context)
-        .delete(context, new VersionContext(getPrivateSpaceName(context), itemId), version);
-  }
-
-  protected VersionStageRepository getVersionStageRepository(SessionContext context) {
-    return VersionStageRepositoryFactory.getInstance().createInterface(context);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepository.java
deleted file mode 100644
index 7681327e40..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepository.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-
-import java.util.Map;
-import java.util.Optional;
-
-public interface ElementRepository {
-
-  Map<Id,Id> listIds(SessionContext context, ElementEntityContext elementContext);
-
-/*  void createVersionData(SessionContext context, ElementEntityContext elementContext, VersionDataElement element);*/
-
-  void create(SessionContext context, ElementEntityContext elementContext, ElementEntity element);
-
-  void update(SessionContext context, ElementEntityContext elementContext, ElementEntity element);
-
-  void delete(SessionContext context, ElementEntityContext elementContext, ElementEntity element);
-
-  Optional<ElementEntity> get(SessionContext context, ElementEntityContext elementContext,
-                              ElementEntity element);
-
-  Optional<ElementEntity> getDescriptor(SessionContext context, ElementEntityContext elementContext,
-                                        ElementEntity element);
-
-  void createNamespace(SessionContext context, ElementEntityContext elementContext,
-                       ElementEntity element);
-
-  Optional<Id> getHash(SessionContext context, ElementEntityContext elementEntityContext,
-               ElementEntity element);
-
-
-
-
-/*  Collection<SynchronizationStateEntity> listSynchronizationStates(SessionContext context,
-                                              ElementEntityContext elementContext);
-
-  void updateSynchronizationState(SessionContext context, ElementEntityContext elementContext,
-              SynchronizationStateEntity elementSyncState);
-
-  void markAsDirty(SessionContext context, ElementEntityContext elementContext,
-                   SynchronizationStateEntity elementSyncState);
-
-  Optional<SynchronizationStateEntity> getSynchronizationState(SessionContext context,
-                                           ElementEntityContext elementContext,
-                                           SynchronizationStateEntity elementSyncState);*/
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepositoryFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepositoryFactory.java
deleted file mode 100644
index c541302d97..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementRepositoryFactory.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class ElementRepositoryFactory extends AbstractComponentFactory<ElementRepository> {
-  public static ElementRepositoryFactory getInstance() {
-    return AbstractFactory.getInstance(ElementRepositoryFactory.class);
-  }
-
-  public abstract ElementRepository createInterface(SessionContext context);
-}
-
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepository.java
deleted file mode 100644
index ac3dc4e4bf..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepository.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-
-import java.util.Collection;
-import java.util.Optional;
-
-public interface ElementStageRepository
-    extends StageRepository<ElementEntityContext, ElementEntity> {
-
-  Optional<StageEntity<ElementEntity>> getDescriptor(SessionContext context,
-                                                     ElementEntityContext elementContext,
-                                                     ElementEntity element);
-
-  Collection<ElementEntity> listIds(SessionContext context,
-                                    ElementEntityContext elementContext);
-
-  Collection<ElementEntity> listConflictedIds(SessionContext context,
-                                              ElementEntityContext elementContext);
-
-  void markAsNotConflicted(SessionContext context, ElementEntityContext entityContext,
-                           ElementEntity entity, Action action);
-
-  void markAsNotConflicted(SessionContext context, ElementEntityContext entityContext,
-                           ElementEntity entity);
-
-  void update(SessionContext context, ElementEntityContext entityContext, ElementEntity entity,
-              Action action, boolean conflicted);
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepositoryFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepositoryFactory.java
deleted file mode 100644
index 1e41308ff2..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementStageRepositoryFactory.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class ElementStageRepositoryFactory
-    extends AbstractComponentFactory<ElementStageRepository> {
-  public static ElementStageRepositoryFactory getInstance() {
-    return AbstractFactory.getInstance(ElementStageRepositoryFactory.class);
-  }
-
-  public abstract ElementStageRepository createInterface(SessionContext context);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepository.java
deleted file mode 100644
index 53c029bb6f..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepository.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-
-public interface ElementSynchronizationStateRepository
-    extends SynchronizationStateRepository<ElementEntityContext> {
-
-  Collection<SynchronizationStateEntity> list(SessionContext context,
-                                              ElementEntityContext elementContext);
-
-  void update(SessionContext context, ElementEntityContext entityContext,
-              SynchronizationStateEntity syncStateEntity);
-
-  void markAsDirty(SessionContext context, ElementEntityContext entityContext,
-                   SynchronizationStateEntity syncStateEntity);
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepositoryFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepositoryFactory.java
deleted file mode 100644
index 26f3bb4f56..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/ElementSynchronizationStateRepositoryFactory.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class ElementSynchronizationStateRepositoryFactory
-    extends AbstractComponentFactory<ElementSynchronizationStateRepository> {
-  public static ElementSynchronizationStateRepositoryFactory getInstance() {
-    return AbstractFactory.getInstance(ElementSynchronizationStateRepositoryFactory.class);
-  }
-
-  public abstract ElementSynchronizationStateRepository createInterface(SessionContext context);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/StageRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/StageRepository.java
deleted file mode 100644
index 98b0d8242c..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/StageRepository.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-
-import java.util.Optional;
-
-public interface StageRepository<C, E> {
-
-  Optional<StageEntity<E>> get(SessionContext context, C entityContext, E entity);
-
-  void create(SessionContext context, C entityContext, StageEntity<E> stageEntity);
-
-  void delete(SessionContext context, C entityContext, E entity);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/SynchronizationStateRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/SynchronizationStateRepository.java
deleted file mode 100644
index f227b0c925..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/SynchronizationStateRepository.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Optional;
-
-public interface SynchronizationStateRepository<C> {
-
-  void create(SessionContext context, C entityContext, SynchronizationStateEntity syncStateEntity);
-
-  void delete(SessionContext context, C entityContext, SynchronizationStateEntity syncStateEntity);
-
-  Optional<SynchronizationStateEntity> get(SessionContext context, C entityContext,
-                                           SynchronizationStateEntity syncStateEntity);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDao.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDao.java
deleted file mode 100644
index f8ad0405b2..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDao.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.Map;
-import java.util.Optional;
-
-public interface VersionDao {
-  Collection<VersionEntity> list(SessionContext context, String space, Id itemId);
-
-  Optional<VersionEntity> get(SessionContext context, String space, Id itemId, Id versionId);
-
-  void create(SessionContext context, String space, Id itemId, VersionEntity version);
-
-  void updateModificationTime(SessionContext context, String space, Id itemId, Id versionId, Date modificationTime);
-
-  void delete(SessionContext context, String space, Id itemId, Id versionId);
-
-  boolean checkHealth(SessionContext context);
-
-  void createVersionElements(SessionContext context, String publicSpace, Id itemId, Id versionId,
-                             Id revisionId, Map<Id, Id> versionElementIds, Date publishTime,
-                             String message);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDaoFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDaoFactory.java
deleted file mode 100644
index 2847959f8f..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionDaoFactory.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class VersionDaoFactory extends AbstractComponentFactory<VersionDao> {
-  public static VersionDaoFactory getInstance() {
-    return AbstractFactory.getInstance(VersionDaoFactory.class);
-  }
-
-  public abstract VersionDao createInterface(SessionContext context);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepository.java
deleted file mode 100644
index 568e0c9d2b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepository.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-public interface VersionStageRepository extends StageRepository<VersionContext, VersionEntity> {
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepositoryFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepositoryFactory.java
deleted file mode 100644
index fc9e7725eb..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionStageRepositoryFactory.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class VersionStageRepositoryFactory extends AbstractComponentFactory<VersionStageRepository> {
-  public static VersionStageRepositoryFactory getInstance() {
-    return AbstractFactory.getInstance(VersionStageRepositoryFactory.class);
-  }
-
-  public abstract VersionStageRepository createInterface(SessionContext context);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepository.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepository.java
deleted file mode 100644
index 9134392d3b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepository.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.List;
-
-public interface VersionSynchronizationStateRepository
-    extends SynchronizationStateRepository<VersionContext> {
-
-  void updatePublishTime(SessionContext context, VersionContext entityContext,
-                         SynchronizationStateEntity syncStateEntity);
-
-  List<SynchronizationStateEntity> list(SessionContext context, VersionContext entityContext,
-                                                  VersionEntity versionEntity);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepositoryFactory.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepositoryFactory.java
deleted file mode 100644
index dfedb5897b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/VersionSynchronizationStateRepositoryFactory.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.utils.facade.api.AbstractComponentFactory;
-import com.amdocs.zusammen.utils.facade.api.AbstractFactory;
-
-public abstract class VersionSynchronizationStateRepositoryFactory
-    extends AbstractComponentFactory<VersionSynchronizationStateRepository> {
-  public static VersionSynchronizationStateRepositoryFactory getInstance() {
-    return AbstractFactory.getInstance(VersionSynchronizationStateRepositoryFactory.class);
-  }
-
-  public abstract VersionSynchronizationStateRepository createInterface(SessionContext context);
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/CassandraDaoUtils.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/CassandraDaoUtils.java
deleted file mode 100644
index b6cb9e4070..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/CassandraDaoUtils.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.commons.db.api.cassandra.CassandraConnectorFactory;
-import com.amdocs.zusammen.commons.db.api.cassandra.types.CassandraContext;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.datastax.driver.core.Session;
-
-class CassandraDaoUtils {
-
-  static <T> T getAccessor(SessionContext context, Class<T> classOfT) {
-    return CassandraConnectorFactory.getInstance().createInterface(getCassandraContext(context))
-        .getMappingManager()
-        .createAccessor(classOfT);
-  }
-
-  static Session getSession(SessionContext context) {
-    return CassandraConnectorFactory.getInstance().createInterface(getCassandraContext(context))
-        .getMappingManager()
-        .getSession();
-  }
-
-  private static CassandraContext getCassandraContext(SessionContext context) {
-    CassandraContext cassandraContext = new CassandraContext();
-    cassandraContext.setTenant(context.getTenant());
-    return cassandraContext;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryFactoryImpl.java
deleted file mode 100644
index 8540816f00..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryFactoryImpl.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepositoryFactory;
-
-public class ElementRepositoryFactoryImpl extends ElementRepositoryFactory {
-
-  private static final ElementRepository INSTANCE = new ElementRepositoryImpl();
-
-  @Override
-  public ElementRepository createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryImpl.java
deleted file mode 100644
index bb3b1cfa7c..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementRepositoryImpl.java
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.Namespace;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Info;
-import com.amdocs.zusammen.datatypes.item.Relation;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import com.amdocs.zusammen.utils.fileutils.json.JsonUtil;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Param;
-import com.datastax.driver.mapping.annotations.Query;
-import com.google.gson.reflect.TypeToken;
-import org.openecomp.core.zusammen.plugin.ZusammenPluginConstants;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-
-import java.lang.reflect.Type;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.stream.Collectors;
-
-public class ElementRepositoryImpl implements ElementRepository {
-
-  @Override
-  public Map<Id, Id> listIds(SessionContext context, ElementEntityContext elementContext) {
-
-    if (elementContext.getRevisionId() == null) {
-      String revisionId = calculateLastRevisionId(context, elementContext);
-      if (revisionId == null) {
-        return new HashMap<>();
-      }
-
-      elementContext.setRevisionId(new Id(revisionId));
-    }
-    return getVersionElementIds(context, elementContext).entrySet().stream().collect(Collectors
-        .toMap(entry -> new Id(entry.getKey()), entry -> new Id(entry.getValue())));
-
-   /* return getVersionElementIds(context, elementContext).stream()
-        .map(Id::new)
-        .collect(Collectors.toList());*/
-
-  }
-
-  @Override
-  public void create(SessionContext context, ElementEntityContext elementContext,
-                     ElementEntity element) {
-    createElement(context, elementContext, element);
-    addElementToParent(context, elementContext, element);
-  }
-
-  @Override
-  public void update(SessionContext context, ElementEntityContext elementContext,
-                     ElementEntity element) {
-
-    Id elementRevisionId = getElementRevision(context, elementContext, element.getId());
-    if (elementRevisionId.equals(elementContext.getRevisionId())) {
-      updateElement(context, elementContext, element);
-    } else {
-      createElement(context, elementContext, element);
-    }
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementEntityContext elementContext,
-                     ElementEntity element) {
-    removeElementFromParent(context, elementContext, element);
-    deleteElement(context, elementContext, element);
-  }
-
-  @Override
-  public Optional<ElementEntity> get(SessionContext context, ElementEntityContext elementContext,
-                                     ElementEntity element) {
-    String revisionId = calculateElementRevisionId(context, elementContext, element);
-    if (revisionId == null) {
-      return Optional.empty();
-    }
-
-    Row row = getElementAccessor(context).get(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString(),
-        revisionId).one();
-
-    return row == null ? Optional.empty() : Optional.of(getElementEntity(element, row));
-  }
-
-  @Override
-  public Optional<ElementEntity> getDescriptor(SessionContext context,
-                                               ElementEntityContext elementContext,
-                                               ElementEntity element) {
-    String revisionId = calculateElementRevisionId(context, elementContext, element);
-    if (revisionId == null) {
-      return Optional.empty();
-    }
-
-    Row row = getElementAccessor(context).getDescriptor(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString(),
-        revisionId).one();
-
-    return row == null ? Optional.empty() : Optional.of(getElementEntityDescriptor(element, row));
-  }
-
-  @Override
-  public void createNamespace(SessionContext context, ElementEntityContext elementContext,
-                              ElementEntity element) {
-    getElementNamespaceAccessor(context).create(elementContext.getItemId().toString(),
-        element.getId().toString(),
-        element.getNamespace().toString());
-  }
-
-  @Override
-  public Optional<Id> getHash(SessionContext context, ElementEntityContext elementContext,
-                              ElementEntity element) {
-    String revisionId = calculateElementRevisionId(context, elementContext, element);
-    if (revisionId == null) {
-      return Optional.empty();
-    }
-
-    Row row = getElementAccessor(context).getHash(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString(),
-        revisionId).one();
-
-    return row == null ? Optional.empty() : Optional.of(getElementHash(row));
-  }
-
-  private String calculateElementRevisionId(SessionContext context,
-                                            ElementEntityContext elementContext,
-                                            ElementEntity element) {
-
-    if (elementContext.getSpace().equals(ZusammenPluginConstants.PUBLIC_SPACE)) {
-
-      String versionRevision;
-      if (elementContext.getRevisionId() == null) {
-        versionRevision = calculateLastRevisionId(context, elementContext);
-      } else {
-        versionRevision = elementContext.getRevisionId().getValue();
-      }
-
-      elementContext.setRevisionId(new Id(versionRevision));
-      Map<String, String> elementIds = getVersionElementIds(context, elementContext);
-      if (elementIds.containsKey(element.getId().getValue())) {
-        return elementIds.get(element.getId().getValue());
-      } else {
-        return null;
-      }
-
-    } else {
-      return Id.ZERO.getValue();
-    }
-  }
-
-  private String calculateLastRevisionId(SessionContext context, ElementEntityContext
-      elementContext) {
-    List<Row> rows = getVersionElementsAccessor(context).listRevisions(elementContext.getSpace(),
-        elementContext
-            .getItemId().toString(), elementContext.getVersionId().toString()).all();
-    if (rows == null || rows.size() == 0) {
-      return null;
-    }
-    rows.sort((o1, o2) -> o1.getDate(VersionElementsField.PUBLISH_TIME)
-        .after(o2.getDate(VersionElementsField.PUBLISH_TIME)) ? -1 : 1);
-    return rows.get(0).getString(VersionElementsField.REVISION_ID);
-  }
-
-  /*private static String getVersionId(ElementEntityContext elementContext) {
-    return elementContext.getRevisionId() == null
-        ? elementContext.getVersionId().toString()
-        : elementContext.getRevisionId().getValue();
-  }*/
-
-  private ElementNamespaceAccessor getElementNamespaceAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, ElementNamespaceAccessor.class);
-  }
-
-  private ElementAccessor getElementAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, ElementAccessor.class);
-  }
-
-  private VersionElementsAccessor getVersionElementsAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionElementsAccessor.class);
-  }
-
-  private void createElement(SessionContext context, ElementEntityContext elementContext,
-                             ElementEntity element) {
-    createElementRow(context, elementContext, element);
-
-    Map<String, String> elementIds = new TreeMap<>();
-    elementIds.put(element.getId().toString(), elementContext.getRevisionId().getValue());
-    getVersionElementsAccessor(context).addElements(
-        elementIds,
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  private void createElementRow(SessionContext context, ElementEntityContext elementContext,
-                                ElementEntity element) {
-    Set<String> subElementIds =
-        element.getSubElementIds().stream().map(Id::toString).collect(Collectors.toSet());
-
-    getElementAccessor(context).create(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString(),
-        elementContext.getRevisionId().getValue(),
-        element.getParentId() == null ? null : element.getParentId().toString(),
-        element.getNamespace() == null ? null : element.getNamespace().toString(),
-        JsonUtil.object2Json(element.getInfo()),
-        JsonUtil.object2Json(element.getRelations()),
-        element.getData(),
-        element.getSearchableData(),
-        element.getVisualization(),
-        subElementIds,
-        element.getElementHash().getValue());
-  }
-
-  private void updateElement(SessionContext context, ElementEntityContext elementContext,
-                             ElementEntity element) {
-
-
-    if (element.getParentId() == null) {
-      getElementAccessor(context).update(
-          JsonUtil.object2Json(element.getInfo()),
-          JsonUtil.object2Json(element.getRelations()),
-          element.getData(),
-          element.getSearchableData(),
-          element.getVisualization(),
-          element.getElementHash().getValue(),
-          elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().toString(),
-          element.getId().toString(),
-          elementContext.getRevisionId().getValue());
-    } else {
-      getElementAccessor(context).update(
-          JsonUtil.object2Json(element.getInfo()),
-          JsonUtil.object2Json(element.getRelations()),
-          element.getData(),
-          element.getSearchableData(),
-          element.getVisualization(),
-          element.getElementHash().getValue(),
-          element.getParentId().getValue(),
-          elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().toString(),
-          element.getId().getValue(),
-          elementContext.getRevisionId().getValue());
-    }
-
-    Map<String, String> elementIds = new TreeMap<>();
-    elementIds.put(element.getId().getValue(), elementContext.getRevisionId().getValue());
-    getVersionElementsAccessor(context).addElements(
-        elementIds,
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  private void deleteElement(SessionContext context, ElementEntityContext elementContext,
-                             ElementEntity element) {
-
-
-    getElementAccessor(context).delete(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString(),
-        elementContext.getRevisionId().getValue());
-
-    getVersionElementsAccessor(context).removeElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  private void addElementToParent(SessionContext context, ElementEntityContext elementContext,
-                                  ElementEntity element) {
-    if (element.getParentId() == null) {
-      return;
-    }
-
-
-    getElementAccessor(context).addSubElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getParentId().toString(),
-        elementContext.getRevisionId().getValue());
-
-    Map<String, String> elementIds = new TreeMap<>();
-    elementIds.put(element.getParentId().toString(), elementContext.getRevisionId().getValue());
-    getVersionElementsAccessor(context).addElements(elementIds, elementContext.getSpace(),
-        elementContext.getItemId().getValue(), elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  private void removeElementFromParent(SessionContext context, ElementEntityContext elementContext,
-                                       ElementEntity element) {
-
-    if (element.getParentId() == null) {
-      return;
-    }
-
-    Optional<ElementEntity> parentElement =
-        get(context, elementContext, new ElementEntity(element.getParentId()));
-    if (!parentElement.isPresent()) {
-      return;
-    }
-    getElementAccessor(context).removeSubElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getParentId().toString(),
-        elementContext.getRevisionId().getValue());
-
-    getVersionElementsAccessor(context)
-        .removeElements(Collections.singleton(element.getId().toString()),
-            elementContext.getSpace(),
-            elementContext.getItemId().getValue(), elementContext.getVersionId().getValue(),
-            elementContext.getRevisionId().getValue());
-
-    Map<String, String> elementIds = new TreeMap<>();
-    elementIds.put(element.getParentId().toString(), elementContext.getRevisionId().getValue());
-    getVersionElementsAccessor(context).addElements(elementIds, elementContext.getSpace(),
-        elementContext.getItemId().getValue(), elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  static ElementEntity getElementEntityDescriptor(ElementEntity element, Row row) {
-    element.setNamespace(getNamespace(row.getString(ElementField.NAMESPACE)));
-    element.setParentId(getParentId(row.getString(ElementField.PARENT_ID)));
-    element.setInfo(json2Object(row.getString(ElementField.INFO), Info.class));
-    element.setRelations(
-        json2Object(row.getString(ElementField.RELATIONS), new TypeToken<ArrayList<Relation>>() {
-        }.getType()));
-
-    element.setSubElementIds(row.getSet(ElementField.SUB_ELEMENT_IDS, String.class)
-        .stream().map(Id::new).collect(Collectors.toSet()));
-    return element;
-  }
-
-  static ElementEntity getElementEntity(ElementEntity element, Row row) {
-    getElementEntityDescriptor(element, row);
-
-    element.setData(row.getBytes(ElementField.DATA));
-    element.setSearchableData(row.getBytes(ElementField.SEARCHABLE_DATA));
-    element.setVisualization(row.getBytes(ElementField.VISUALIZATION));
-    element.setElementHash(new Id(row.getString(ElementField.ELEMENT_HASH)));
-    return element;
-  }
-
-  private Id getElementHash(Row row) {
-    return new Id(row.getString(ElementField.ELEMENT_HASH));
-  }
-
-  private static Id getParentId(String parentIdStr) {
-    return parentIdStr == null ? null : new Id(parentIdStr);
-  }
-
-  private static Namespace getNamespace(String namespaceStr) {
-    Namespace namespace = new Namespace();
-    if (namespaceStr != null) {
-      namespace.setValue(namespaceStr);
-    }
-    return namespace;
-  }
-
-  private static <T> T json2Object(String json, Type typeOfT) {
-    return json == null ? null : JsonUtil.json2Object(json, typeOfT);
-  }
-
-  private Map<String, String> getVersionElementIds(SessionContext context,
-                                                   ElementEntityContext elementContext) {
-    Row row = getVersionElementsAccessor(context).get(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue()).one();
-    return row == null
-        ? new HashMap<>()
-        : row.getMap(ElementRepositoryImpl.VersionElementsField.ELEMENT_IDS, String.class, String
-            .class);
-  }
-
-  private Id getElementRevision(SessionContext context, ElementEntityContext elementContext
-      , Id elementId) {
-    Map<Id, Id> versionElementIds =
-        listIds(context, new ElementEntityContext
-            (elementContext.getSpace(), elementContext.getItemId(), elementContext.getVersionId(),
-                elementContext.getRevisionId()));
-    return versionElementIds.get(elementId);
-
-  }
-
-
-  /*
-CREATE TABLE IF NOT EXISTS element_namespace (
-	item_id text,
-	element_id text,
-	namespace text,
-	PRIMARY KEY (( item_id, element_id ))
-);
-   */
-  @Accessor
-  interface ElementNamespaceAccessor {
-    @Query("UPDATE element_namespace SET namespace=:ns " +
-        "WHERE item_id=:item AND element_id=:id ")
-    void create(@Param("item") String itemId,
-                @Param("id") String elementId,
-                @Param("ns") String namespace);
-  }
-
-  @Accessor
-  interface ElementAccessor {
-    @Query(
-        "UPDATE element SET parent_id=:parentId, namespace=:ns, info=:info, relations=:rels, " +
-            "data=:data, searchable_data=:searchableData, visualization=:visualization, " +
-            "sub_element_ids=sub_element_ids+:subs , element_hash=:elementHash " +
-            " WHERE space=:space AND item_id=:item AND version_id=:ver AND element_id=:id AND " +
-            "revision_id=:rev ")
-    void create(@Param("space") String space,
-                @Param("item") String itemId,
-                @Param("ver") String versionId,
-                @Param("id") String elementId,
-                @Param("rev") String revisionId,
-                @Param("parentId") String parentElementId,
-                @Param("ns") String namespace,
-                @Param("info") String info,
-                @Param("rels") String relations,
-                @Param("data") ByteBuffer data,
-                @Param("searchableData") ByteBuffer searchableData,
-                @Param("visualization") ByteBuffer visualization,
-                @Param("subs") Set<String> subElementIds,
-                @Param("elementHash") String elementHash);
-
-
-    @Query("UPDATE element SET info=?, relations=?, data=?, searchable_data=?, visualization=? ," +
-        "element_hash=? , parent_id=? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=?  ")
-    void update(String info, String relations, ByteBuffer data, ByteBuffer searchableData,
-                ByteBuffer visualization, String elementHash, String parentId, String space, String
-                    itemId, String
-                    versionId, String elementId, String revisionId);
-
-    @Query("UPDATE element SET info=?, relations=?, data=?, searchable_data=?, visualization=? ," +
-        "element_hash=? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=?  ")
-    void update(String info, String relations, ByteBuffer data, ByteBuffer searchableData,
-                ByteBuffer visualization, String elementHash, String space, String
-                    itemId, String
-                    versionId, String elementId, String revisionId);
-
-    @Query(
-        "DELETE FROM element WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=? ")
-    void delete(String space, String itemId, String versionId, String elementId, String revisionId);
-
-    @Query("SELECT parent_id, namespace, info, relations, data, searchable_data, visualization, " +
-        "sub_element_ids,element_hash FROM element " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=? ")
-    ResultSet get(String space, String itemId, String versionId, String elementId, String
-        revisionId);
-
-    @Query("SELECT parent_id, namespace, info, relations, sub_element_ids FROM element " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=? ")
-    ResultSet getDescriptor(String space, String itemId, String versionId, String elementId,
-                            String revisionId);
-
-    @Query("UPDATE element SET sub_element_ids=sub_element_ids+? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=?  ")
-    void addSubElements(Set<String> subElementIds, String space, String itemId, String versionId,
-                        String elementId, String revisionId);
-
-    @Query("UPDATE element SET sub_element_ids=sub_element_ids-? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=? ")
-    void removeSubElements(Set<String> subElementIds, String space, String itemId, String versionId,
-                           String elementId, String revisionId);
-
-    @Query("SELECT element_hash FROM element " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id=? ")
-    ResultSet getHash(String space, String itemId, String versionId, String elementId, String
-        revisionId);
-  }
-
-  private static final class ElementField {
-    private static final String NAMESPACE = "namespace";
-    private static final String PARENT_ID = "parent_id";
-    private static final String INFO = "info";
-    private static final String RELATIONS = "relations";
-    private static final String DATA = "data";
-    private static final String SEARCHABLE_DATA = "searchable_data";
-    private static final String VISUALIZATION = "visualization";
-    private static final String SUB_ELEMENT_IDS = "sub_element_ids";
-    private static final String ELEMENT_HASH = "element_hash";
-  }
-
-  @Accessor
-  interface VersionElementsAccessor {
-
-    @Query("UPDATE version_elements SET element_ids=element_ids+ ? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void addElements(Map<String, String> elementIds, String space, String itemId, String versionId,
-                     String versionRevisionId);
-
-    @Query("UPDATE version_elements SET element_ids=element_ids-? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=?")
-    void removeElements(Set<String> elementIds, String space, String itemId, String versionId,
-                        String revisionId);
-
-    @Query(
-        "SELECT element_ids FROM version_elements WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    ResultSet get(String space, String itemId, String versionId, String revisionId);
-
-    @Query(
-        "SELECT revision_id,publish_time FROM version_elements WHERE space=? AND item_id=? AND " +
-            "version_id=? ")
-    ResultSet listRevisions(String space, String itemId, String versionId);
-
-  }
-
-  private static final class VersionElementsField {
-    private static final String ELEMENT_IDS = "element_ids";
-    private static final String REVISION_ID = "revision_id";
-    private static final String PUBLISH_TIME = "publish_time";
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryFactoryImpl.java
deleted file mode 100644
index 02bec12302..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryFactoryImpl.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepositoryFactory;
-
-public class ElementStageRepositoryFactoryImpl extends ElementStageRepositoryFactory {
-
-  private static final ElementStageRepository INSTANCE = new ElementStageRepositoryImpl();
-
-  @Override
-  public ElementStageRepository createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryImpl.java
deleted file mode 100644
index c215f825a6..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementStageRepositoryImpl.java
+++ /dev/null
@@ -1,423 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import com.amdocs.zusammen.utils.fileutils.json.JsonUtil;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Param;
-import com.datastax.driver.mapping.annotations.Query;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-
-import java.nio.ByteBuffer;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-public class ElementStageRepositoryImpl implements ElementStageRepository {
-
-  @Override
-  public Collection<ElementEntity> listIds(SessionContext context,
-                                           ElementEntityContext elementContext) {
-    return getElements(getStageElementIds(context, elementContext));
-  }
-
-  @Override
-  public Collection<ElementEntity> listConflictedIds(SessionContext context,
-                                                     ElementEntityContext elementContext) {
-    return getElements(getConflictedElementIds(context, elementContext));
-  }
-
-  @Override
-  public void create(SessionContext context, ElementEntityContext elementContext,
-                     StageEntity<ElementEntity> elementStage) {
-    createElement(context, elementContext, elementStage);
-    addElementToParent(context, elementContext, elementStage.getEntity());
-  }
-
-  @Override
-  public void markAsNotConflicted(SessionContext context, ElementEntityContext elementContext,
-                                  ElementEntity element, Action action) {
-    getElementStageAccessor(context).updateState(action, false,
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString());
-
-    getStageElementsAccessor(context).removeConflictElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  @Override
-  public void markAsNotConflicted(SessionContext context, ElementEntityContext elementContext,
-                                  ElementEntity element) {
-    getElementStageAccessor(context).markAsNotConflicted(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString());
-
-    getStageElementsAccessor(context).removeConflictElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  @Override
-  public void update(SessionContext context, ElementEntityContext elementContext,
-                     ElementEntity element, Action action, boolean conflicted) {
-    getElementStageAccessor(context).update(
-        JsonUtil.object2Json(element.getInfo()),
-        JsonUtil.object2Json(element.getRelations()),
-        element.getData(),
-        element.getSearchableData(),
-        element.getVisualization(),
-        element.getElementHash().getValue(),
-        action,
-        conflicted,
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        element.getId().toString());
-
-    if (!conflicted) {
-      getStageElementsAccessor(context).removeConflictElements(
-          Collections.singleton(element.getId().toString()),
-          elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().toString(),
-          elementContext.getRevisionId().getValue());
-    }
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementEntityContext elementContext,
-                     ElementEntity element) {
-    removeElementFromParent(context, elementContext, element);
-    deleteElement(context, elementContext, element);
-  }
-
-  @Override
-  public Optional<StageEntity<ElementEntity>> get(SessionContext context,
-                                                  ElementEntityContext elementContext,
-                                                  ElementEntity element) {
-    Row row = getElementStageAccessor(context).get(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString()).one();
-
-    return row == null ? Optional.empty() : Optional.of(getStageElement(row));
-  }
-
-  @Override
-  public Optional<StageEntity<ElementEntity>> getDescriptor(SessionContext context,
-                                                            ElementEntityContext elementContext,
-                                                            ElementEntity element) {
-    Row row = getElementStageAccessor(context).getDescriptor(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString()).one();
-
-    return row == null ? Optional.empty() : Optional.of(getStageElementDescriptor(row));
-  }
-
-
-
-  private Collection<ElementEntity> getElements(Set<String> elementIds) {
-    return elementIds.stream()
-        .map(id -> new ElementEntity(new Id(id)))
-        .collect(Collectors.toList());
-  }
-
-  private void createElement(SessionContext context, ElementEntityContext elementContext,
-                             StageEntity<ElementEntity> elementStage) {
-
-
-    ElementEntity element = elementStage.getEntity();
-    Set<String> subElementIds =
-        element.getSubElementIds().stream().map(Id::toString).collect(Collectors.toSet());
-    Set<String> conflictDependents = elementStage.getConflictDependents().stream()
-        .map(conflictDependent -> conflictDependent.getId().getValue())
-        .collect(Collectors.toSet());
-
-    getElementStageAccessor(context).create(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString(),
-        element.getParentId() == null ? null : element.getParentId().toString(),
-        element.getNamespace() == null ? null : element.getNamespace().toString(),
-        JsonUtil.object2Json(element.getInfo()),
-        JsonUtil.object2Json(element.getRelations()),
-        element.getData(),
-        element.getSearchableData(),
-        element.getVisualization(),
-        subElementIds,
-        element.getElementHash() == null ? null : element.getElementHash().getValue(),
-        elementStage.getPublishTime(),
-        elementStage.getAction(),
-        elementStage.isConflicted(),
-        conflictDependents);
-
-    getStageElementsAccessor(context).add(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-
-    if (elementStage.isConflicted()) {
-      getStageElementsAccessor(context).addConflictElements(
-          Collections.singleton(element.getId().toString()),
-          elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().getValue(),
-          elementContext.getRevisionId().getValue());
-    }
-  }
-
-  private void deleteElement(SessionContext context, ElementEntityContext elementContext,
-                             ElementEntity element) {
-
-
-    getElementStageAccessor(context).delete(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getId().toString());
-
-    getStageElementsAccessor(context).remove(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  private void addElementToParent(SessionContext context, ElementEntityContext elementContext,
-                                  ElementEntity element) {
-    if (element.getParentId() == null) {
-      return;
-    }
-    getElementStageAccessor(context).addSubElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getParentId().toString());
-  }
-
-  private void removeElementFromParent(SessionContext context, ElementEntityContext elementContext,
-                                       ElementEntity element) {
-    if (element.getParentId() == null) {
-      return;
-    }
-    getElementStageAccessor(context).removeSubElements(
-        Collections.singleton(element.getId().toString()),
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        element.getParentId().toString());
-  }
-
-  private StageEntity<ElementEntity> getStageElementDescriptor(Row row) {
-    return buildStageElement(ElementRepositoryImpl.getElementEntityDescriptor(
-        new ElementEntity(new Id(row.getString(ElementStageField.ID))), row), row);
-  }
-
-  private StageEntity<ElementEntity> getStageElement(Row row) {
-    return buildStageElement(ElementRepositoryImpl.getElementEntity(
-        new ElementEntity(new Id(row.getString(ElementStageField.ID))), row), row);
-  }
-
-
-  private StageEntity<ElementEntity> buildStageElement(ElementEntity element, Row row) {
-    StageEntity<ElementEntity> elementStage =
-        new StageEntity<>(element, row.getDate(ElementStageField.PUBLISH_TIME));
-    elementStage.setAction(Action.valueOf(row.getString(ElementStageField.ACTION)));
-    elementStage.setConflicted(row.getBool(ElementStageField.CONFLICTED));
-    elementStage.setConflictDependents(
-        row.getSet(ElementStageField.CONFLICT_DEPENDENTS, String.class).stream()
-            .map(conflictDependentId -> new ElementEntity(new Id(conflictDependentId)))
-            .collect(Collectors.toSet()));
-    return elementStage;
-  }
-
-  private Set<String> getStageElementIds(SessionContext context,
-                                         ElementEntityContext elementContext) {
-    Row row = getStageElementsAccessor(context).get(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue()).one();
-    return row == null ? new HashSet<>()
-        : row.getSet(StageElementsField.STAGE_ELEMENT_IDS, String.class);
-  }
-
-  private Set<String> getConflictedElementIds(SessionContext context,
-                                              ElementEntityContext elementContext) {
-    Row row = getStageElementsAccessor(context).getConflicted(
-        elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().getValue(),
-        elementContext.getRevisionId().getValue()).one();
-    return row == null ? new HashSet<>()
-        : row.getSet(StageElementsField.CONFLICT_ELEMENT_IDS, String.class);
-  }
-
-  private ElementStageAccessor getElementStageAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, ElementStageAccessor.class);
-  }
-
-  private StageElementsAccessor getStageElementsAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, StageElementsAccessor.class);
-  }
-
-  @Accessor
-  interface ElementStageAccessor {
-    @Query(
-        "UPDATE element_stage SET parent_id=:parentId, namespace=:ns, info=:info, relations=:rels, " +
-            "data=:data, searchable_data=:searchableData, visualization=:visualization, " +
-            "publish_time=:publishTime, action=:action, " +
-            "conflicted=:conflicted, conflict_dependent_ids=:conflictDependents, " +
-            "sub_element_ids=sub_element_ids+:subs, element_hash=:elementHash " +
-            "WHERE space=:space AND item_id=:item AND version_id=:ver AND element_id=:id ")
-    void create(@Param("space") String space,
-                @Param("item") String itemId,
-                @Param("ver") String versionId,
-                @Param("id") String elementId,
-                @Param("parentId") String parentElementId,
-                @Param("ns") String namespace,
-                @Param("info") String info,
-                @Param("rels") String relations,
-                @Param("data") ByteBuffer data,
-                @Param("searchableData") ByteBuffer searchableData,
-                @Param("visualization") ByteBuffer visualization,
-                @Param("subs") Set<String> subElementIds,
-                @Param("elementHash") String elementHash,
-                @Param("publishTime") Date publishTime,
-                @Param("action") Action action,
-                @Param("conflicted") boolean conflicted,
-                @Param("conflictDependents") Set<String> conflictDependents);
-
-    @Query("UPDATE element_stage SET info=?, relations=?, data=?, searchable_data=?, " +
-        "visualization=?,element_hash=?, action=?, conflicted=? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=?  ")
-    void update(String info, String relations, ByteBuffer data, ByteBuffer searchableData,
-                ByteBuffer visualization, String elementHash, Action action, boolean conflicted,
-                String space,
-                String itemId, String versionId, String elementId);
-
-    @Query("UPDATE element_stage SET action=?, conflicted=? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=?  ")
-    void updateState(Action action, boolean conflicted, String space, String itemId,
-                     String versionId, String elementId);
-
-    @Query("UPDATE element_stage SET conflicted=false " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=?  ")
-    void markAsNotConflicted(String space, String itemId, String versionId, String elementId);
-
-    @Query(
-        "DELETE FROM element_stage WHERE space=? AND item_id=? AND version_id=? AND element_id=?")
-    void delete(String space, String itemId, String versionId, String elementId);
-
-    @Query("SELECT element_id, parent_id, namespace, info, relations, data, searchable_data, " +
-        "visualization, sub_element_ids,element_hash, publish_time, action, " +
-        "conflicted, conflict_dependent_ids FROM element_stage " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? ")
-    ResultSet get(String space, String itemId, String versionId, String elementId);
-
-    @Query("SELECT element_id, parent_id, namespace, info, relations, " +
-        "sub_element_ids, publish_time, action, conflicted, conflict_dependent_ids " +
-        "FROM element_stage WHERE space=? AND item_id=? AND version_id=? AND element_id=? ")
-    ResultSet getDescriptor(String space, String itemId, String versionId, String elementId);
-
-    @Query("UPDATE element_stage SET sub_element_ids=sub_element_ids+? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=?  ")
-    void addSubElements(Set<String> subElementIds, String space, String itemId, String versionId,
-                        String elementId);
-
-    @Query("UPDATE element_stage SET sub_element_ids=sub_element_ids-? " +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? ")
-    void removeSubElements(Set<String> subElementIds, String space, String itemId, String versionId,
-                           String elementId);
-  }
-
-  private static final class ElementStageField {
-    private static final String ID = "element_id";
-    private static final String PUBLISH_TIME = "publish_time";
-    private static final String ACTION = "action";
-    private static final String CONFLICTED = "conflicted";
-    private static final String CONFLICT_DEPENDENTS = "conflict_dependent_ids";
-  }
-
-  @Accessor
-  interface StageElementsAccessor {
-
-    @Query("UPDATE version_elements SET stage_element_ids=stage_element_ids+? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void add(Set<String> elementIds, String space, String itemId, String versionId, String
-        revisionId);
-
-    @Query("UPDATE version_elements SET stage_element_ids=stage_element_ids-? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void remove(Set<String> elementIds, String space, String itemId, String versionId, String
-        revisionId);
-
-    @Query("SELECT stage_element_ids FROM version_elements " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=?")
-    ResultSet get(String space, String itemId, String versionId, String revisionId);
-
-    @Query("UPDATE version_elements SET conflict_element_ids=conflict_element_ids+? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void addConflictElements(Set<String> elementIds, String space, String itemId, String
-        versionId, String revisionId);
-
-    @Query("UPDATE version_elements SET conflict_element_ids=conflict_element_ids-? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void removeConflictElements(Set<String> elementIds, String space, String itemId,
-                                String versionId, String revisionId);
-
-    @Query("SELECT conflict_element_ids FROM version_elements " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    ResultSet getConflicted(String space, String itemId, String versionId, String revisionId);
-  }
-
-  private static final class StageElementsField {
-    private static final String STAGE_ELEMENT_IDS = "stage_element_ids";
-    private static final String CONFLICT_ELEMENT_IDS = "conflict_element_ids";
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryFactoryImpl.java
deleted file mode 100644
index ec7e1c30ae..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryFactoryImpl.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepositoryFactory;
-
-public class ElementSynchronizationStateRepositoryFactoryImpl
-    extends ElementSynchronizationStateRepositoryFactory {
-
-  private static final ElementSynchronizationStateRepository INSTANCE =
-      new ElementSynchronizationStateRepositoryImpl();
-
-  @Override
-  public ElementSynchronizationStateRepository createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryImpl.java
deleted file mode 100644
index d41d3d73b1..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/ElementSynchronizationStateRepositoryImpl.java
+++ /dev/null
@@ -1,209 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Query;
-import org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-public class ElementSynchronizationStateRepositoryImpl
-    implements ElementSynchronizationStateRepository {
-
-  @Override
-  public Collection<SynchronizationStateEntity> list(SessionContext context,
-                                                     ElementEntityContext elementContext) {
-    List<Row> rows = getAccessor(context)
-        .list(elementContext.getSpace(),
-            elementContext.getItemId().toString(),
-            elementContext.getVersionId().toString()).all();
-    return rows == null ? new HashSet<>()
-        : rows.stream().map(this::getSynchronizationStateEntity).collect(Collectors.toSet());
-
-  }
-
-  @Override
-  public void create(SessionContext context, ElementEntityContext elementContext,
-                     SynchronizationStateEntity elementSyncState) {
-    update(context, elementContext.getSpace(),
-        elementContext.getItemId(),
-        elementContext.getVersionId(),
-        elementContext.getRevisionId(),
-        elementSyncState.getRevisionId(),
-        elementSyncState.getId(),
-        elementSyncState.getPublishTime(),
-        elementSyncState.isDirty()
-
-    );
-  }
-
-  @Override
-  public void update(SessionContext context, ElementEntityContext elementContext,
-                     SynchronizationStateEntity elementSyncState) {
-    update(context, elementContext.getSpace(),
-        elementContext.getItemId(),
-        elementContext.getVersionId(),
-        elementContext.getRevisionId(),
-        elementSyncState.getRevisionId(),
-        elementSyncState.getId(),
-        elementSyncState.getPublishTime(),
-        elementSyncState.isDirty()
-
-    );
-  }
-
-  @Override
-  public void markAsDirty(SessionContext context, ElementEntityContext elementContext,
-                          SynchronizationStateEntity elementSyncState) {
-
-
-      getAccessor(context).updateDirty(true,
-          elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().toString(),
-          elementSyncState.getId().toString(),
-          elementContext.getRevisionId().getValue());
-
-      getVersionElementsAccessor(context).addDirtyElements(
-          Collections.singleton(elementSyncState.getId().toString()), elementContext.getSpace(),
-          elementContext.getItemId().toString(),
-          elementContext.getVersionId().toString(),
-          elementContext.getRevisionId().getValue());
-  }
-
-  @Override
-  public void delete(SessionContext context, ElementEntityContext elementContext,
-                     SynchronizationStateEntity elementSyncState) {
-    getAccessor(context).delete(elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        elementSyncState.getId().toString(),
-        elementContext.getRevisionId().getValue());
-
-    getVersionElementsAccessor(context).removeDirtyElements(
-        Collections.singleton(elementSyncState.getId().toString()), elementContext.getSpace(),
-        elementContext.getItemId().toString(),
-        elementContext.getVersionId().toString(),
-        elementContext.getRevisionId().getValue());
-  }
-
-  @Override
-  public Optional<SynchronizationStateEntity> get(SessionContext context,
-                                                  ElementEntityContext elementContext,
-                                                  SynchronizationStateEntity elementSyncState) {
-
-    Row row = getAccessor(context)
-        .get(elementContext.getSpace(),
-            elementContext.getItemId().toString(),
-            elementContext.getVersionId().toString(),
-            elementSyncState.getId().toString(),
-            elementSyncState.getRevisionId().getValue()).one();
-
-    return row == null ? Optional.empty() : Optional.of(getSynchronizationStateEntity(row));
-  }
-
-  private void update(SessionContext context, String space, Id itemId, Id versionId, Id
-      versionRevisionId,Id elementRevisionId,Id elementId, Date publishTime, boolean isDirty) {
-    getAccessor(context).update(publishTime,
-        isDirty,
-        space,
-        itemId.toString(),
-        versionId.toString(),
-        elementId.toString(),
-        elementRevisionId.getValue());
-
-    if (isDirty) {
-      getVersionElementsAccessor(context).addDirtyElements(
-          Collections.singleton(elementId.toString()), space,
-          itemId.toString(),
-          versionId.toString(),
-          versionRevisionId.getValue());
-    } else {
-      getVersionElementsAccessor(context).removeDirtyElements(
-          Collections.singleton(elementId.toString()), space,
-          itemId.toString(),
-          versionId.toString(),
-          versionRevisionId.getValue());
-    }
-  }
-
-
-  private SynchronizationStateEntity getSynchronizationStateEntity(Row row) {
-    SynchronizationStateEntity entity =
-        new SynchronizationStateEntity(new Id(row.getString(SynchronizationStateField.ID)),
-            new Id(row.getString(SynchronizationStateField.REVISION_ID)),
-            row.getDate(SynchronizationStateField.PUBLISH_TIME),
-            row.getBool(SynchronizationStateField.DIRTY));
-    entity.setRevisionId(new Id(row.getString(SynchronizationStateField.REVISION_ID)));
-
-    return entity;
-
-  }
-
-  private ElementSynchronizationStateAccessor getAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, ElementSynchronizationStateAccessor.class);
-  }
-
-  private VersionElementsAccessor getVersionElementsAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionElementsAccessor.class);
-  }
-
-  @Accessor
-  interface ElementSynchronizationStateAccessor {
-    @Query("UPDATE element_synchronization_state SET publish_time=?, dirty=? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id = ? ")
-    void update(Date publishTime, boolean dirty, String space, String itemId, String versionId,
-                String elementId, String revisionId);
-
-    @Query("UPDATE element_synchronization_state SET dirty=? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id = ? ")
-    void updateDirty(boolean dirty, String space, String itemId, String versionId,
-                     String elementId, String revisionId);
-
-    @Query("DELETE FROM element_synchronization_state " +
-        "WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id = ? ")
-    void delete(String space, String itemId, String versionId, String elementId, String revisionId);
-
-    @Query("SELECT element_id,revision_id, publish_time, dirty FROM element_synchronization_state" +
-        " WHERE space=? AND item_id=? AND version_id=?")
-    ResultSet list(String space, String itemId, String versionId);
-
-    @Query("SELECT element_id,revision_id, publish_time, dirty FROM element_synchronization_state" +
-        " WHERE space=? AND item_id=? AND version_id=? AND element_id=? AND revision_id = ?  ")
-    ResultSet get(String space, String itemId, String versionId, String elementId, String
-        revisionId);
-  }
-
-  private static final class SynchronizationStateField {
-    private static final String ID = "element_id";
-    private static final String PUBLISH_TIME = "publish_time";
-    private static final String DIRTY = "dirty";
-    private static final String REVISION_ID = "revision_id";
-  }
-
-  @Accessor
-  interface VersionElementsAccessor {
-
-    @Query("UPDATE version_elements SET dirty_element_ids=dirty_element_ids+? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=?")
-    void addDirtyElements(Set<String> elementIds, String space, String itemId, String versionId,
-                          String revisionId);
-
-    @Query("UPDATE version_elements SET dirty_element_ids=dirty_element_ids-? " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    void removeDirtyElements(Set<String> elementIds, String space, String itemId, String
-        versionId, String revisionId);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoFactoryImpl.java
deleted file mode 100644
index 60dc9d1765..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoFactoryImpl.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.VersionDao;
-import org.openecomp.core.zusammen.plugin.dao.VersionDaoFactory;
-
-public class VersionDaoFactoryImpl extends VersionDaoFactory {
-
-  private static final VersionDao INSTANCE = new VersionDaoImpl();
-
-  @Override
-  public VersionDao createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoImpl.java
deleted file mode 100644
index bba2ddf267..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionDaoImpl.java
+++ /dev/null
@@ -1,185 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Query;
-import org.openecomp.core.zusammen.plugin.dao.VersionDao;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-import static java.util.stream.Collectors.toMap;
-
-public class VersionDaoImpl implements VersionDao {
-
-  @Override
-  public void create(SessionContext context, String space, Id itemId, VersionEntity version) {
-    String baseVersion = version.getBaseId() != null ? version.getBaseId().toString() : null;
-
-    getAccessor(context)
-        .create(space, itemId.toString(), version.getId().toString(),
-            baseVersion,
-            version.getCreationTime(), version.getModificationTime());
-
-  }
-
-  @Override
-  public void delete(SessionContext context, String space, Id itemId, Id versionId) {
-
-    getAccessor(context).delete(space, itemId.toString(), versionId.toString());
-  }
-
-  @Override
-  public void updateModificationTime(SessionContext context, String space, Id itemId,
-                                     Id versionId, Date modificationTime) {
-    getAccessor(context)
-        .updateModificationTime(modificationTime, space, itemId.toString(), versionId.toString());
-  }
-
-
-  @Override
-  public Collection<VersionEntity> list(SessionContext context, String space, Id itemId) {
-    List<Row> rows = getAccessor(context).list(space, itemId.toString()).all();
-    return rows == null ? new ArrayList<>() :
-        rows.stream().map(VersionDaoImpl::convertToVersionEntity).collect(Collectors.toList());
-  }
-
-
-  @Override
-  public Optional<VersionEntity> get(SessionContext context, String space, Id itemId,
-                                     Id versionId) {
-    Row row;
-
-    row = getAccessor(context).get(space, itemId.toString(), versionId.toString()).one();
-
-
-    return row == null ? Optional.empty() : Optional.of(convertToVersionEntity(row));
-  }
-
-  @Override
-  public boolean checkHealth(SessionContext context) {
-    return getAccessor(context).checkHealth().getColumnDefinitions()
-        .contains(VersionField.VERSION_ID);
-  }
-
-  @Override
-  public void createVersionElements(SessionContext context, String space, Id itemId,
-                                    Id versionId, Id revisionId, Map<Id, Id> versionElementIds,
-                                    Date publishTime, String message) {
-    Map<String, String> elementIds = versionElementIds==null?null:versionElementIds.
-        entrySet().
-        stream().
-        collect(toMap((Map.Entry<Id, Id>entry)->entry.getKey().getValue(),
-                      (Map.Entry<Id, Id>entry)->entry.getValue().getValue()));
-
-    getVersionElementsAccessor(context).create(space,itemId.toString(),versionId.toString(),
-        revisionId.getValue(),elementIds,publishTime,message,context.getUser().getUserName());
-  }
-
-
-  private static VersionEntity convertToVersionEntity(Row row) {
-
-    /*Id revisionId =  row.getColumnDefinitions().contains("revision_id")?new Id(row.getString
-        (VersionField.REVISION_ID)):null;*/
-
-    VersionEntity version = new VersionEntity(new Id(row.getString(VersionField.VERSION_ID)));
-    return enrichVersionEntity(version, row);
-  }
-
-  static VersionEntity enrichVersionEntity(VersionEntity version, Row row) {
-    version.setBaseId(new Id(row.getString(VersionField.BASE_VERSION_ID)));
-    version.setCreationTime(row.getDate(VersionField.CREATION_TIME));
-    version.setModificationTime(row.getDate(VersionField.MODIFICATION_TIME));
-    return version;
-  }
-
-  private VersionAccessor getAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionAccessor.class);
-  }
-
-  private VersionElementsAccessor getVersionElementsAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionElementsAccessor.class);
-  }
-
-  @Accessor
-  interface VersionAccessor {
-
-    @Query(
-        "INSERT INTO version (space, item_id, version_id, base_version_id, " +
-            "creation_time, " +
-            "modification_time) " +
-            "VALUES (?, ?, ?, ?, ?, ?)")
-    void create(String space, String itemId, String versionId, String baseVersionId,
-                Date creationTime, Date modificationTime);
-
-    @Query("UPDATE version SET modification_time=? WHERE space=? AND item_id=? AND version_id=? ")
-    void updateModificationTime(Date modificationTime, String space, String itemId,
-                                String versionId);
-
-    @Query("DELETE FROM version WHERE space=? AND item_id=? AND version_id=? ")
-    void delete(String space, String itemId, String versionId);
-
-    @Query("SELECT version_id, base_version_id, creation_time, modification_time " +
-        "FROM version WHERE space=? AND item_id=? AND version_id=?  ")
-    ResultSet get(String space, String itemId, String versionId);
-
-    /*@Query("SELECT version_id, base_version_id, creation_time, modification_time " +
-        "FROM version WHERE space=? AND item_id=? AND version_id=? ")
-    ResultSet get(String space, String itemId, String versionId);*/
-
-
-    @Query("SELECT version_id, base_version_id, creation_time, modification_time " +
-        "FROM version WHERE space=? AND item_id=?")
-    ResultSet list(String space, String itemId);
-
-    @Query("SELECT version_id FROM version LIMIT 1")
-    ResultSet checkHealth();
-  }
-
-  private static final class VersionField {
-    private static final String VERSION_ID = "version_id";
-    private static final String BASE_VERSION_ID = "base_version_id";
-    private static final String CREATION_TIME = "creation_time";
-    private static final String MODIFICATION_TIME = "modification_time";
-    //private static final String REVISION_ID = "revision_id";
-  }
-
-  @Accessor
-  interface VersionElementsAccessor {
-
-    @Query("INSERT INTO version_elements (space,item_id,version_id,revision_id,element_ids," +
-        "publish_time,message,user) " +
-        "VALUES (?,?,?,?,?,?,?,?)")
-    void create(String space,
-                String itemId,
-                String versionId,
-                String versionRevisionId,
-                Map<String,String> elementIds,
-                Date publishTime,
-                String message,
-                String user);
-
-
-
-  }
-
- /* public static final class VersionElementsField {
-    private static final String SPACE = "space";
-    private static final String ITEM_ID = "item_id";
-    private static final String VERSION_ID = "version_id";
-    private static final String ELEMENT_IDS = "element_ids";
-    private static final String REVISION_ID = "revision_id";
-
-  }*/
-
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryFactoryImpl.java
deleted file mode 100644
index 547bf6a06c..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryFactoryImpl.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.VersionStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.VersionStageRepositoryFactory;
-
-public class VersionStageRepositoryFactoryImpl extends VersionStageRepositoryFactory {
-
-  private static final VersionStageRepository INSTANCE = new VersionStageRepositoryImpl();
-
-  @Override
-  public VersionStageRepository createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryImpl.java
deleted file mode 100644
index 353f37b91b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionStageRepositoryImpl.java
+++ /dev/null
@@ -1,82 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Query;
-import org.openecomp.core.zusammen.plugin.dao.VersionStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Date;
-import java.util.Optional;
-
-public class VersionStageRepositoryImpl implements VersionStageRepository {
-
-  @Override
-  public Optional<StageEntity<VersionEntity>> get(SessionContext context,
-                                                  VersionContext entityContext,
-                                                  VersionEntity entity) {
-    Row row = getAccessor(context)
-        .get(entityContext.getSpace(), entityContext.getItemId().toString(),
-            entity.getId().toString()).one();
-    return row == null ? Optional.empty() : Optional.of(convertToVersionStage(entity, row));
-  }
-
-  @Override
-  public void create(SessionContext context, VersionContext entityContext,
-                     StageEntity<VersionEntity> stageEntity) {
-    VersionEntity entity = stageEntity.getEntity();
-    getAccessor(context).create(entityContext.getSpace(),
-        entityContext.getItemId().toString(),
-        entity.getId().toString(),
-        entity.getBaseId() == null ? null : entity.getBaseId().toString(),
-        entity.getCreationTime() == null ? null : entity.getCreationTime(),
-        entity.getModificationTime() == null ? null : entity.getModificationTime(),
-        stageEntity.getPublishTime(),
-        stageEntity.getAction());
-  }
-
-  @Override
-  public void delete(SessionContext context, VersionContext entityContext, VersionEntity entity) {
-    getAccessor(context).delete(entityContext.getSpace(), entityContext.getItemId().toString(),
-        entity.getId().toString());
-  }
-
-  private StageEntity<VersionEntity> convertToVersionStage(VersionEntity version, Row row) {
-    StageEntity<VersionEntity> versionStage =
-        new StageEntity<>(VersionDaoImpl.enrichVersionEntity(version, row),
-            row.getDate(VersionStageField.PUBLISH_TIME));
-    versionStage.setAction(Action.valueOf(row.getString(VersionStageField.ACTION)));
-    return versionStage;
-  }
-
-  private VersionStageAccessor getAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionStageAccessor.class);
-  }
-
-  @Accessor
-  interface VersionStageAccessor {
-
-    @Query("INSERT INTO version_stage (space, item_id, version_id, base_version_id, " +
-        "creation_time, modification_time, publish_time, action) " +
-        "VALUES (?, ?, ?, ?, ?, ?, ?, ?)")
-    void create(String space, String itemId, String versionId, String baseVersionId,
-                Date creationTime, Date modificationTime, Date publishTime, Action action);
-
-    @Query("DELETE FROM version_stage WHERE space=? AND item_id=? AND version_id=?")
-    void delete(String space, String itemId, String versionId);
-
-    @Query("SELECT base_version_id, creation_time, modification_time, publish_time, action " +
-        "FROM  version_stage WHERE space=? AND item_id=? AND version_id=?")
-    ResultSet get(String space, String itemId, String versionId);
-  }
-
-  private static final class VersionStageField {
-    private static final String PUBLISH_TIME = "publish_time";
-    private static final String ACTION = "action";
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryFactoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryFactoryImpl.java
deleted file mode 100644
index 95c3ec2730..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryFactoryImpl.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.SessionContext;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepositoryFactory;
-
-public class VersionSynchronizationStateRepositoryFactoryImpl
-    extends VersionSynchronizationStateRepositoryFactory {
-
-  private static final VersionSynchronizationStateRepository INSTANCE =
-      new VersionSynchronizationStateRepositoryImpl();
-
-  @Override
-  public VersionSynchronizationStateRepository createInterface(SessionContext context) {
-    return INSTANCE;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryImpl.java
deleted file mode 100644
index 5fb9779bc2..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/impl/cassandra/VersionSynchronizationStateRepositoryImpl.java
+++ /dev/null
@@ -1,137 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.impl.cassandra;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.mapping.annotations.Accessor;
-import com.datastax.driver.mapping.annotations.Query;
-import org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionContext;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-public class VersionSynchronizationStateRepositoryImpl
-    implements VersionSynchronizationStateRepository {
-
-  @Override
-  public void create(SessionContext context, VersionContext entityContext,
-                     SynchronizationStateEntity syncStateEntity) {
-    updatePublishTime(context, entityContext, syncStateEntity);
-  }
-
-  @Override
-  public void updatePublishTime(SessionContext context, VersionContext entityContext,
-                                SynchronizationStateEntity syncStateEntity) {
-    getAccessor(context)
-        .updatePublishTime(syncStateEntity.getPublishTime(), entityContext.getSpace(),
-            entityContext.getItemId().toString(), syncStateEntity.getId().toString(),
-            syncStateEntity.getRevisionId().getValue());
-  }
-
-  @Override
-  public List<SynchronizationStateEntity> list(SessionContext context, VersionContext
-      entityContext, VersionEntity versionEntity) {
-
-    List<Row> rows = getAccessor(context).list(entityContext.getSpace(), entityContext.getItemId().toString
-        (),versionEntity.getId().toString()).all();
-    return rows == null ? new ArrayList<>():
-        rows.stream().map(VersionSynchronizationStateRepositoryImpl::getSynchronizationStateEntity).collect(Collectors.toList());
-  }
-
-
-
-  /*@Override
-  public List<SynchronizationStateEntity> listRevisions(SessionContext context,
-                                                        VersionContext entityContext,
-                                                        SynchronizationStateEntity syncStateEntity) {
-    List<Row> rows = getAccessor(context).list(entityContext.getSpace(), entityContext.getItemId()
-        .toString(), syncStateEntity.getId().toString()).all();
-    return rows == null ? new ArrayList<>() :rows.stream()
-        .map(VersionSynchronizationStateRepositoryImpl::getSynchronizationStateEntity)
-        .collect(Collectors.toList());
-
-
-
-
-    //forEach(row -> getSynchronizationStateEntity(syncStateEntity.getId(), row));
-
-
-  }*/
-
-
-  @Override
-  public void delete(SessionContext context, VersionContext entityContext,
-                     SynchronizationStateEntity syncStateEntity) {
-    // done by version dao
-  }
-
-  @Override
-  public Optional<SynchronizationStateEntity> get(SessionContext context,
-                                                  VersionContext entityContext,
-                                                  SynchronizationStateEntity syncStateEntity) {
-    Row row =
-        getAccessor(context).get(entityContext.getSpace(), entityContext.getItemId().toString(),
-            syncStateEntity.getId().toString(), syncStateEntity.getRevisionId().getValue()).one();
-
-    return row == null ? Optional.empty()
-        : Optional.of(getSynchronizationStateEntity(syncStateEntity.getId(), row));
-  }
-
-  private SynchronizationStateEntity getSynchronizationStateEntity(Id entityId, Row row) {
-    SynchronizationStateEntity syncStateEntity = new SynchronizationStateEntity(entityId,
-        new Id(row.getString(REVISION_ID_FIELD)));
-    syncStateEntity.setPublishTime(row.getDate(PUBLISH_TIME_FIELD));
-    syncStateEntity.setDirty(!row.getSet(DIRTY_ELEMENT_FIELD, String.class).isEmpty());
-    return syncStateEntity;
-  }
-
-  private static SynchronizationStateEntity getSynchronizationStateEntity(Row row) {
-    Id entityId = new Id(row.getColumnDefinitions().contains("version_id") ? row.getString
-        ("version_id") : row.getString("element_id"));
-    SynchronizationStateEntity syncStateEntity = new SynchronizationStateEntity(entityId,
-        new Id(row.getString(REVISION_ID_FIELD)));
-    syncStateEntity.setPublishTime(row.getDate(PUBLISH_TIME_FIELD));
-    syncStateEntity.setDirty(!row.getSet(DIRTY_ELEMENT_FIELD, String.class).isEmpty());
-    syncStateEntity.setRevisionId(new Id(row.getString(REVISION_ID_FIELD)));
-    syncStateEntity.setUser(row.getString(USER));
-    syncStateEntity.setMessage(row.getString(MESSAGE));
-    return syncStateEntity;
-  }
-
-  private VersionSyncStateAccessor getAccessor(SessionContext context) {
-    return CassandraDaoUtils.getAccessor(context, VersionSyncStateAccessor.class);
-  }
-
-  @Accessor
-  interface VersionSyncStateAccessor {
-    @Query(
-        "UPDATE version_elements SET publish_time=? WHERE space=? AND item_id=? AND version_id=? " +
-            "AND revision_id=? ")
-    void updatePublishTime(Date publishTime, String space, String itemId, String versionId, String
-        revisionId);
-
-    @Query("SELECT version_id,revision_id,publish_time, dirty_element_ids FROM version_elements " +
-        "WHERE space=? AND item_id=? AND version_id=? AND revision_id=? ")
-    ResultSet get(String space, String itemId, String versionId, String revisionId);
-
-    @Query("SELECT version_id,revision_id,publish_time,user,message, dirty_element_ids FROM " +
-        "version_elements " +
-        "WHERE space=? AND item_id=? AND version_id=? ")
-    ResultSet list(String space, String itemId, String versionId);
-
-  }
-
-
-  private static final String PUBLISH_TIME_FIELD = "publish_time";
-  private static final String DIRTY_ELEMENT_FIELD = "dirty_element_ids";
-  private static final String REVISION_ID_FIELD = "revision_id";
-  private static final String USER = "user";
-  private static final String MESSAGE = "message";
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/ElementEntity.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/ElementEntity.java
deleted file mode 100644
index 1cd15102f2..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/ElementEntity.java
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.Namespace;
-import com.amdocs.zusammen.datatypes.item.Info;
-import com.amdocs.zusammen.datatypes.item.Relation;
-
-import java.nio.ByteBuffer;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Set;
-
-public class ElementEntity {
-  private Id id;
-  private Id parentId;
-  private Namespace namespace;
-  private Id elementHash;
-  private Info info;
-  private Collection<Relation> relations = Collections.emptyList();
-  private ByteBuffer data;
-  private ByteBuffer searchableData;
-  private ByteBuffer visualization;
-  private Set<Id> subElementIds = Collections.emptySet();
-
-  public ElementEntity(Id id) {
-    this.id = id;
-  }
-
-  public Id getId() {
-    return id;
-  }
-
-  public Id getParentId() {
-    return parentId;
-  }
-
-  public void setParentId(Id parentId) {
-    this.parentId = parentId;
-  }
-
-  public Namespace getNamespace() {
-    return namespace;
-  }
-
-  public void setNamespace(Namespace namespace) {
-    this.namespace = namespace;
-  }
-
-  public Info getInfo() {
-    return info;
-  }
-
-  public void setInfo(Info info) {
-    this.info = info;
-  }
-
-  public Collection<Relation> getRelations() {
-    return relations;
-  }
-
-  public void setRelations(Collection<Relation> relations) {
-    this.relations = relations;
-  }
-
-  public ByteBuffer getData() {
-    return data;
-  }
-
-  public void setData(ByteBuffer data) {
-    this.data = data;
-  }
-
-  public ByteBuffer getSearchableData() {
-    return searchableData;
-  }
-
-  public void setSearchableData(ByteBuffer searchableData) {
-    this.searchableData = searchableData;
-  }
-
-  public ByteBuffer getVisualization() {
-    return visualization;
-  }
-
-  public void setVisualization(ByteBuffer visualization) {
-    this.visualization = visualization;
-  }
-
-  public Set<Id> getSubElementIds() {
-    return subElementIds;
-  }
-
-  public void setSubElementIds(Set<Id> subElementIds) {
-    this.subElementIds = subElementIds;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-
-    ElementEntity that = (ElementEntity) o;
-
-    return id.equals(that.id);
-  }
-
-  public Id getElementHash() {
-    return elementHash;
-  }
-
-  public void setElementHash(Id elementHash) {
-    this.elementHash = elementHash;
-  }
-
-  @Override
-  public int hashCode() {
-    return id.hashCode();
-  }
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/StageEntity.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/StageEntity.java
deleted file mode 100644
index 58ac0a918a..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/StageEntity.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.item.Action;
-
-import java.util.Collections;
-import java.util.Date;
-import java.util.Set;
-
-public class StageEntity<E> {
-  private E entity;
-  private Date publishTime;
-  private Action action = Action.IGNORE;
-  private boolean conflicted;
-  private Set<E> conflictDependents = Collections.emptySet();
-
-  // used by sync on stage creation
-  public StageEntity(E entity, Date publishTime) {
-    this.entity = entity;
-    this.publishTime = publishTime;
-  }
-
-  public StageEntity(E entity, Date publishTime, Action action, boolean conflicted) {
-    this.entity = entity;
-    this.publishTime = publishTime;
-    this.action = action;
-    this.conflicted = conflicted;
-  }
-
-  public E getEntity() {
-    return entity;
-  }
-
-  public Date getPublishTime() {
-    return publishTime;
-  }
-
-  public Action getAction() {
-    return action;
-  }
-
-  public void setAction(Action action) {
-    this.action = action;
-  }
-
-  public boolean isConflicted() {
-    return conflicted;
-  }
-
-  public void setConflicted(boolean conflicted) {
-    this.conflicted = conflicted;
-  }
-
-  public Set<E> getConflictDependents() {
-    return conflictDependents;
-  }
-
-  public void setConflictDependents(Set<E> conflictDependents) {
-    this.conflictDependents = conflictDependents;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/SynchronizationStateEntity.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/SynchronizationStateEntity.java
deleted file mode 100644
index 510cef820b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/SynchronizationStateEntity.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.Id;
-
-import java.util.Date;
-
-/**
- * Synchronization state of an entity:
- * <ul>
- * <li>On private entity edit (create/update/delete): marked as dirty</li>
- * <li>On entity publication:
- * <ul>
- * <li>if the private entity exists - updated with the publish time, marked as not dirty</li>
- * <li>Otherwise - deleted</li>
- * </ul>
- * </li>
- * </ul>
- */
-public class SynchronizationStateEntity {
-  private Id id;
-  private Id revisionId;
-  private Date publishTime;
-  private boolean dirty;
-  private String user;
-  private String message;
-
-  public SynchronizationStateEntity(Id id,Id revisionId) {
-    this.id = id;
-    this.revisionId = revisionId;
-  }
-
-  public SynchronizationStateEntity(Id id,Id revisionId, Date publishTime, boolean dirty) {
-    this(id,revisionId);
-    this.publishTime = publishTime;
-    this.dirty = dirty;
-  }
-
-  public Id getId() {
-    return id;
-  }
-
-  public Date getPublishTime() {
-    return publishTime;
-  }
-
-  public void setPublishTime(Date publishTime) {
-    this.publishTime = publishTime;
-  }
-
-  public boolean isDirty() {
-    return dirty;
-  }
-
-  public void setDirty(boolean dirty) {
-    this.dirty = dirty;
-  }
-
-  public Id getRevisionId() {
-    return revisionId;
-  }
-
-  public void setRevisionId(Id revisionId) {
-    this.revisionId = revisionId;
-  }
-
-  public String getUser() {
-    return user;
-  }
-
-  public void setUser(String user) {
-    this.user = user;
-  }
-
-  public String getMessage() {
-    return message;
-  }
-
-  public void setMessage(String message) {
-    this.message = message;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-
-    SynchronizationStateEntity that = (SynchronizationStateEntity) o;
-
-    return id.equals(that.id);
-  }
-
-  @Override
-  public int hashCode() {
-    return id.hashCode();
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionContext.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionContext.java
deleted file mode 100644
index 41a3e66e0e..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionContext.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.Id;
-
-public class VersionContext {
-  private String space;
-  private Id itemId;
-
-
-  public VersionContext(String space, Id itemId) {
-    this.space = space;
-    this.itemId = itemId;
-  }
-
-  public String getSpace() {
-    return space;
-  }
-
-  public Id getItemId() {
-    return itemId;
-  }
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionDataElement.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionDataElement.java
deleted file mode 100644
index 48a52c0d85..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionDataElement.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.item.ItemVersionData;
-import org.openecomp.core.zusammen.plugin.ZusammenPluginConstants;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.calculateElementHash;
-
-public class VersionDataElement extends ElementEntity {
-
-  public VersionDataElement() {
-    super(ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID);
-  }
-
-  public VersionDataElement(ItemVersionData itemVersionData) {
-    this();
-    setInfo(itemVersionData.getInfo());
-    setRelations(itemVersionData.getRelations());
-    setElementHash(new Id(calculateElementHash(this)));
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionEntity.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionEntity.java
deleted file mode 100644
index aeed998d96..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/dao/types/VersionEntity.java
+++ /dev/null
@@ -1,45 +0,0 @@
-package org.openecomp.core.zusammen.plugin.dao.types;
-
-import com.amdocs.zusammen.datatypes.Id;
-
-import java.util.Date;
-
-public class VersionEntity {
-  private Id id;
-  private Id baseId;
-  private Date creationTime;
-  private Date modificationTime;
-
-  public VersionEntity(Id id) {
-    this.id = id;
-  }
-
-  public Id getId() {
-    return id;
-  }
-
-  public Id getBaseId() {
-    return baseId;
-  }
-
-  public void setBaseId(Id baseId) {
-    this.baseId = baseId;
-  }
-
-  public Date getCreationTime() {
-    return creationTime;
-  }
-
-  public void setCreationTime(Date creationTime) {
-    this.creationTime = creationTime;
-  }
-
-  public Date getModificationTime() {
-    return modificationTime;
-  }
-
-  public void setModificationTime(Date modificationTime) {
-    this.modificationTime = modificationTime;
-  }
-
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraCollaborationStorePluginImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraCollaborationStorePluginImpl.java
deleted file mode 100644
index f9b65224e0..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraCollaborationStorePluginImpl.java
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.main;
-
-import com.amdocs.zusammen.commons.health.data.HealthInfo;
-import com.amdocs.zusammen.commons.health.data.HealthStatus;
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.Namespace;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.Space;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.Info;
-import com.amdocs.zusammen.datatypes.item.ItemVersion;
-import com.amdocs.zusammen.datatypes.item.ItemVersionData;
-import com.amdocs.zusammen.datatypes.item.ItemVersionDataConflict;
-import com.amdocs.zusammen.datatypes.item.ItemVersionStatus;
-import com.amdocs.zusammen.datatypes.item.Resolution;
-import com.amdocs.zusammen.datatypes.itemversion.ItemVersionRevisions;
-import com.amdocs.zusammen.datatypes.itemversion.Revision;
-import com.amdocs.zusammen.datatypes.itemversion.Tag;
-import com.amdocs.zusammen.datatypes.response.ErrorCode;
-import com.amdocs.zusammen.datatypes.response.Module;
-import com.amdocs.zusammen.datatypes.response.Response;
-import com.amdocs.zusammen.datatypes.response.ReturnCode;
-import com.amdocs.zusammen.datatypes.response.ZusammenException;
-import com.amdocs.zusammen.sdk.collaboration.CollaborationStore;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationElement;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationElementChange;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationElementConflict;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationItemVersionConflict;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeChange;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationMergeResult;
-import com.amdocs.zusammen.sdk.collaboration.types.CollaborationPublishResult;
-import com.amdocs.zusammen.sdk.types.ElementConflictDescriptor;
-import com.amdocs.zusammen.sdk.types.ElementDescriptor;
-import org.openecomp.core.zusammen.plugin.ZusammenPluginUtil;
-import org.openecomp.core.zusammen.plugin.collaboration.CommitStagingService;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementPrivateStore;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementPublicStore;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementStageStore;
-import org.openecomp.core.zusammen.plugin.collaboration.PublishService;
-import org.openecomp.core.zusammen.plugin.collaboration.RevertService;
-import org.openecomp.core.zusammen.plugin.collaboration.SyncService;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionPrivateStore;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionPublicStore;
-import org.openecomp.core.zusammen.plugin.collaboration.VersionStageStore;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.ElementPrivateStoreImpl;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.ElementPublicStoreImpl;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.ElementStageStoreImpl;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.VersionPrivateStoreImpl;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.VersionPublicStoreImpl;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.VersionStageStoreImpl;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.SynchronizationStateEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionDataElement;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.List;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-import static com.amdocs.zusammen.datatypes.item.SynchronizationStatus.MERGING;
-import static com.amdocs.zusammen.datatypes.item.SynchronizationStatus.OUT_OF_SYNC;
-import static com.amdocs.zusammen.datatypes.item.SynchronizationStatus.UP_TO_DATE;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginConstants.ROOT_ELEMENTS_PARENT_ID;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToCollaborationElement;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToElementChange;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToElementDescriptor;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToElementEntity;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToItemVersion;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToVersionData;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToVersionEntity;
-
-public class CassandraCollaborationStorePluginImpl implements CollaborationStore {
-  // TODO: 8/15/2017 inject
-
-  private VersionPrivateStore versionPrivateStore = new VersionPrivateStoreImpl();
-  private VersionPublicStore versionPublicStore = new VersionPublicStoreImpl();
-  private VersionStageStore versionStageStore = new VersionStageStoreImpl();
-
-  private ElementPrivateStore elementPrivateStore = new ElementPrivateStoreImpl();
-  private ElementPublicStore elementPublicStore = new ElementPublicStoreImpl();
-  private ElementStageStore elementStageStore = new ElementStageStoreImpl();
-
-  // TODO: 9/4/2017
-  private CommitStagingService commitStagingService =
-      new CommitStagingService(versionPrivateStore, versionStageStore, elementPrivateStore,
-          elementStageStore);
-  private PublishService publishService =
-      new PublishService(versionPublicStore, versionPrivateStore, elementPublicStore,
-          elementPrivateStore);
-  private SyncService syncService =
-      new SyncService(versionPublicStore, versionPrivateStore, versionStageStore,
-          elementPublicStore, elementPrivateStore, elementStageStore);
-
-  private RevertService revertService =
-      new RevertService(elementPublicStore, elementPrivateStore);
-
-  @Override
-  public Response<Void> createItem(SessionContext context, Id itemId, Info info) {
-    // done by state store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> deleteItem(SessionContext context, Id itemId) {
-    // done by state store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> createItemVersion(SessionContext context, Id itemId, Id baseVersionId,
-                                          Id versionId, ItemVersionData itemVersionData) {
-    Date creationTime = new Date();
-    versionPrivateStore.create(context, itemId,
-        convertToVersionEntity(versionId, baseVersionId, creationTime, creationTime));
-
-    ElementContext elementContext = new ElementContext(itemId, versionId);
-    VersionDataElement versionData = new VersionDataElement(itemVersionData);
-
-    if (baseVersionId == null) {
-      elementPrivateStore.create(context, elementContext, versionData);
-    } else {
-      copyElements(context, new ElementContext(itemId, baseVersionId), elementContext);
-      elementPrivateStore.update(context, elementContext, versionData);
-    }
-
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> updateItemVersion(SessionContext context, Id itemId, Id versionId,
-                                          ItemVersionData itemVersionData) {
-
-    if (elementPrivateStore.update(context, new ElementContext(itemId, versionId),
-        new VersionDataElement(itemVersionData))) {
-
-      VersionEntity version = new VersionEntity(versionId);
-      version.setModificationTime(new Date());
-      versionPrivateStore.update(context, itemId, version);
-    }
-
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> deleteItemVersion(SessionContext context, Id itemId, Id versionId) {
-    elementPrivateStore
-        .delete(context, new ElementContext(itemId, versionId), new VersionDataElement());
-
-    versionPrivateStore.delete(context, itemId, new VersionEntity(versionId));
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<ItemVersionStatus> getItemVersionStatus(SessionContext context, Id itemId,
-                                                          Id versionId) {
-    if (versionStageStore.get(context, itemId, new VersionEntity(versionId)).isPresent()) {
-      return new Response<>(new ItemVersionStatus(MERGING, true));
-    }
-
-    Optional<SynchronizationStateEntity> publicSyncState =
-        versionPublicStore.getSynchronizationState(context, itemId, versionId);
-
-    if (!publicSyncState.isPresent()) {
-      return new Response<>(new ItemVersionStatus(UP_TO_DATE, true));
-    }
-
-    SynchronizationStateEntity privateSyncState =
-        versionPrivateStore.getSynchronizationState(context, itemId, versionId)
-            // TODO: 7/18/2017 ?
-            .orElseThrow(() -> new IllegalStateException("private version must exist"));
-
-    return new Response<>(new ItemVersionStatus(
-        privateSyncState.getPublishTime().equals(publicSyncState.get().getPublishTime())
-            ? UP_TO_DATE
-            : OUT_OF_SYNC,
-        privateSyncState.isDirty()));
-  }
-
-  @Override
-  public Response<Void> tagItemVersion(SessionContext context, Id itemId, Id versionId,
-                                       Id revisionId,
-                                       Tag tag) {
-   /* if (revisionId != null) {
-      throw new UnsupportedOperationException(
-          "In this plugin implementation tag is supported only on versionId");
-    }
-
-    copyElements(context,
-        new ElementContext(itemId, versionId),
-        new ElementContext(itemId, versionId, tag.getName()));*/
-
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<CollaborationPublishResult> publishItemVersion(SessionContext context,
-                                                                 Id itemId, Id versionId,
-                                                                 String message) {
-    try {
-      return new Response<>(publishService.publish(context, itemId, versionId, message));
-    } catch (ZusammenException ze) {
-      return new Response<>(
-          new ReturnCode(ErrorCode.CL_ITEM_VERSION_PUBLISH, Module.ZCSP, null, ze.getReturnCode()));
-    }
-  }
-
-  @Override
-  public Response<CollaborationMergeResult> syncItemVersion(SessionContext context, Id itemId,
-                                                            Id versionId) {
-    CollaborationMergeResult result = syncService.sync(context, itemId, versionId, false);
-    commitStagingService.commitStaging(context, itemId, versionId);
-
-    return new Response<>(result);
-  }
-
-  @Override
-  public Response<CollaborationMergeResult> forceSyncItemVersion(SessionContext context, Id itemId,
-                                                                 Id versionId) {
-    CollaborationMergeResult result = syncService.sync(context, itemId, versionId, true);
-    commitStagingService.commitStaging(context, itemId, versionId);
-
-    return new Response<>(result);
-  }
-
-  @Override
-  public Response<CollaborationMergeResult> mergeItemVersion(SessionContext context, Id itemId,
-                                                             Id versionId, Id sourceVersionId) {
-    throw new UnsupportedOperationException("mergeItemVersion");
-  }
-
-  @Override
-  public Response<CollaborationItemVersionConflict> getItemVersionConflict(SessionContext context,
-                                                                           Id itemId,
-                                                                           Id versionId) {
-    ElementContext elementContext = new ElementContext(itemId, versionId, Id.ZERO);
-
-    Collection<StageEntity<ElementEntity>> conflictedStagedElementDescriptors =
-        elementStageStore.listConflictedDescriptors(context, elementContext);
-
-    CollaborationItemVersionConflict result = new CollaborationItemVersionConflict();
-    for (StageEntity<ElementEntity> stagedElementDescriptor : conflictedStagedElementDescriptors) {
-      if (ROOT_ELEMENTS_PARENT_ID.equals(stagedElementDescriptor.getEntity().getId())) {
-        result.setVersionDataConflict(
-            getVersionDataConflict(context, elementContext, stagedElementDescriptor));
-      } else {
-        result.getElementConflictDescriptors()
-            .add(getElementConflictDescriptor(context, elementContext, stagedElementDescriptor));
-      }
-    }
-    return new Response<>(result);
-  }
-
-  @Override
-  public Response<ItemVersionRevisions> listItemVersionRevisions(SessionContext context, Id itemId,
-                                                                 Id versionId) {
-    return new Response<>(versionPublicStore.listItemVersionRevisions(context, itemId, versionId));
-  }
-
-  @Override
-  public Response<Revision> getItemVersionRevision(SessionContext context, Id itemId, Id versionId,
-                                                   Id revisionId) {
-    throw new UnsupportedOperationException(
-        "get revision is not supported in the current cassandra plugin");
-  }
-
-  @Override
-  public Response<CollaborationMergeChange> resetItemVersionRevision(SessionContext context,
-                                                                     Id itemId, Id versionId,
-                                                                     Id revisionId) {
-    throw new UnsupportedOperationException("resetItemVersionRevision function not supported");
-
-  }
-
-  @Override
-  public Response<CollaborationMergeChange> revertItemVersionRevision(SessionContext context,
-                                                                      Id itemId, Id versionId,
-                                                                      Id revisionId) {
-    Optional<ItemVersion> itemVersion = getItemVersion(context, itemId, versionId, revisionId);
-    if (!itemVersion.isPresent()) {
-      throw new RuntimeException(String
-          .format("Item %s, version %s: Cannot revert to revision %s since it is not found",
-              itemId, versionId, revisionId));
-    }
-
-    // TODO: 12/4/2017 force sync is done in order to clear dirty element on private
-    // this is temp solution that should be fixed.
-    forceSyncItemVersion(context, itemId, versionId);
-
-    //updateItemVersion(context, itemId, versionId, itemVersion.get().getData());
-    revertService.revert(context, itemId, versionId, revisionId);
-
-    return new Response<>(new CollaborationMergeChange());
-  }
-
-
-  @Override
-  public Response<Void> commitElements(SessionContext context, Id itemId, Id versionId, String s) {
-    // not needed
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Collection<CollaborationElement>> listElements(SessionContext context,
-                                                                 ElementContext elementContext,
-                                                                 Namespace namespace,
-                                                                 Id elementId) {
-    return new Response<>(elementPrivateStore.listSubs(context, elementContext, elementId).stream()
-        .map(elementEntity -> convertToCollaborationElement(elementContext, elementEntity))
-        .collect(Collectors.toList()));
-  }
-
-  @Override
-  public Response<CollaborationElement> getElement(SessionContext context,
-                                                   ElementContext elementContext,
-                                                   Namespace namespace, Id elementId) {
-    return new Response<>(elementPrivateStore.get(context, elementContext, elementId)
-        .map(elementEntity -> convertToCollaborationElement(elementContext, elementEntity))
-        .orElse(null));
-  }
-
-  @Override
-  public Response<CollaborationElementConflict> getElementConflict(SessionContext context,
-                                                                   ElementContext elementContext,
-                                                                   Namespace namespace,
-                                                                   Id elementId) {
-    Optional<StageEntity<ElementEntity>> conflictedStagedElement =
-        elementStageStore
-            .getConflicted(context, elementContext, new ElementEntity(elementId));
-
-    return new Response<>(conflictedStagedElement
-        .map(stagedElement -> getElementConflict(context, elementContext, stagedElement))
-        .orElse(null));
-  }
-
-  @Override
-  public Response<Void> createElement(SessionContext context, CollaborationElement element) {
-    elementPrivateStore.create(context,
-        new ElementContext(element.getItemId(), element.getVersionId()),
-        convertToElementEntity(element));
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> updateElement(SessionContext context, CollaborationElement element) {
-    elementPrivateStore.update(context,
-        new ElementContext(element.getItemId(), element.getVersionId()),
-        convertToElementEntity(element));
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> deleteElement(SessionContext context, CollaborationElement element) {
-    elementPrivateStore
-        .delete(context, new ElementContext(element.getItemId(), element.getVersionId()),
-            convertToElementEntity(element));
-
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<CollaborationMergeResult> resolveElementConflict(SessionContext context,
-                                                                   CollaborationElement element,
-                                                                   Resolution resolution) {
-    ElementContext elementContext = new ElementContext(element.getItemId(), element.getVersionId());
-    elementStageStore
-        .resolveConflict(context, elementContext, convertToElementEntity(element), resolution);
-    commitStagingService.commitStaging(context, element.getItemId(), element.getVersionId());
-
-    return new Response<>(new CollaborationMergeResult());
-  }
-
-  @Override
-  public Response<ItemVersion> getItemVersion(SessionContext context, Space space, Id itemId,
-                                              Id versionId, Id revisionId) {
-    return new Response<>(getItemVersion(context, itemId, versionId, revisionId).orElse(null));
-  }
-
-  @Override
-  public Response<HealthInfo> checkHealth(SessionContext context) throws ZusammenException {
-    HealthInfo healthInfo = versionPublicStore.checkHealth(context)
-        ? new HealthInfo(Module.ZCSP.getDescription(), HealthStatus.UP, "")
-        : new HealthInfo(Module.ZCSP.getDescription(), HealthStatus.DOWN, "No Schema Available");
-
-    return new Response<>(healthInfo);
-  }
-
-  private Optional<ItemVersion> getItemVersion(SessionContext context, Id itemId, Id versionId,
-                                               Id revisionId) {
-    // since revisions are kept only on public - get from there
-    Optional<VersionEntity> versionEntity = versionPublicStore.get(context, itemId, versionId);
-    if (!versionEntity.isPresent()) {
-      return Optional.empty();
-    }
-
-    return elementPublicStore
-        .getDescriptor(context, new ElementContext(itemId, versionId, revisionId),
-            ROOT_ELEMENTS_PARENT_ID)
-        .map(ZusammenPluginUtil::convertToVersionData)
-        .map(itemVersionData -> convertToItemVersion(versionEntity.get(), itemVersionData));
-  }
-
-  private List<ElementEntity> listVersionElements(SessionContext context,
-                                                  ElementContext elementContext) {
-    return elementPrivateStore.listIds(context, elementContext).entrySet().stream() // TODO:
-        // 9/5/2017 parallel
-        .map(entry -> elementPrivateStore.get(context, elementContext, entry.getKey()).get())
-        .collect(Collectors.toList());
-  }
-
-  private void copyElements(SessionContext context,
-                            ElementContext sourceContext, ElementContext targetContext) {
-    listVersionElements(context, sourceContext).forEach(element -> {
-      // publishTime copied as is and dirty is off
-      Date publishTime =
-          elementPrivateStore.getSynchronizationState(context, sourceContext, element.getId())
-              .get().getPublishTime();
-      elementPrivateStore.commitStagedCreate(context, targetContext, element, publishTime);
-    });
-  }
-
-  private ItemVersionDataConflict getVersionDataConflict(SessionContext context,
-                                                         ElementContext elementContext,
-                                                         StageEntity<ElementEntity> stagedElementDescriptor) {
-    ItemVersionDataConflict versionConflict = new ItemVersionDataConflict();
-    versionConflict.setRemoteData(convertToVersionData(stagedElementDescriptor.getEntity()));
-    if (stagedElementDescriptor.getAction() == Action.UPDATE) {
-      versionConflict.setLocalData(getPrivateVersionData(context, elementContext));
-    }
-    return versionConflict;
-  }
-
-  private ItemVersionData getPrivateVersionData(SessionContext context,
-                                                ElementContext elementContext) {
-    return elementPrivateStore.getDescriptor(context, elementContext, ROOT_ELEMENTS_PARENT_ID)
-        .map(ZusammenPluginUtil::convertToVersionData)
-        .orElseThrow(() -> new IllegalStateException("Version must have data"));
-  }
-
-  private ElementConflictDescriptor getElementConflictDescriptor(SessionContext context,
-                                                                 ElementContext elementContext,
-                                                                 StageEntity<ElementEntity> stagedElementDescriptor) {
-    ElementDescriptor elementDescriptorFromStage =
-        convertToElementDescriptor(elementContext, (stagedElementDescriptor.getEntity()));
-
-    ElementConflictDescriptor conflictDescriptor = new ElementConflictDescriptor();
-    switch (stagedElementDescriptor.getAction()) {
-      case CREATE:
-        conflictDescriptor.setRemoteElementDescriptor(elementDescriptorFromStage);
-        break;
-      case UPDATE:
-        conflictDescriptor.setRemoteElementDescriptor(elementDescriptorFromStage);
-        conflictDescriptor.setLocalElementDescriptor(convertToElementDescriptor(elementContext,
-            elementPrivateStore
-                .getDescriptor(context, elementContext, stagedElementDescriptor.getEntity().getId())
-                .orElse(null)));// updated on public while deleted from private
-        break;
-      case DELETE:
-        conflictDescriptor.setLocalElementDescriptor(elementDescriptorFromStage);
-        break;
-      default:
-        break;
-    }
-    return conflictDescriptor;
-  }
-
-  private void addElementsToChangedElements(ElementContext elementContext,
-                                            Collection<ElementEntity> elements,
-                                            Collection<CollaborationElementChange> changedElements,
-                                            Action action) {
-    elements.stream()
-        .map(elementEntity -> convertToElementChange(elementContext, elementEntity, action))
-        .forEach(changedElements::add);
-  }
-
-  private CollaborationElementConflict getElementConflict(SessionContext context,
-                                                          ElementContext entityContext,
-                                                          StageEntity<ElementEntity> stagedElement) {
-    CollaborationElement elementFromStage =
-        convertToCollaborationElement(entityContext, (stagedElement.getEntity()));
-
-    CollaborationElementConflict conflict = new CollaborationElementConflict();
-    switch (stagedElement.getAction()) {
-      case CREATE:
-        conflict.setRemoteElement(elementFromStage);
-        break;
-      case UPDATE:
-        conflict.setRemoteElement(elementFromStage);
-        conflict.setLocalElement(
-            elementPrivateStore.get(context, entityContext, stagedElement.getEntity().getId())
-                .map(element -> convertToCollaborationElement(entityContext, element))
-                .orElse(null));// updated on public while deleted from private
-        break;
-      case DELETE:
-        conflict.setLocalElement(elementFromStage);
-        break;
-      default:
-        break;
-    }
-    return conflict;
-  }
-}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraStateStorePluginImpl.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraStateStorePluginImpl.java
deleted file mode 100644
index 3ed668e331..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/java/org/openecomp/core/zusammen/plugin/main/CassandraStateStorePluginImpl.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.main;
-
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.Space;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.ItemVersion;
-import com.amdocs.zusammen.datatypes.item.ItemVersionData;
-import com.amdocs.zusammen.datatypes.response.Response;
-import com.amdocs.zusammen.plugin.statestore.cassandra.StateStoreImpl;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import com.amdocs.zusammen.sdk.state.types.StateElement;
-import org.openecomp.core.zusammen.plugin.ZusammenPluginUtil;
-import org.openecomp.core.zusammen.plugin.collaboration.ElementPrivateStore;
-import org.openecomp.core.zusammen.plugin.collaboration.impl.ElementPrivateStoreImpl;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepository;
-import org.openecomp.core.zusammen.plugin.dao.ElementRepositoryFactory;
-import org.openecomp.core.zusammen.plugin.dao.VersionDao;
-import org.openecomp.core.zusammen.plugin.dao.VersionDaoFactory;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionDataElement;
-import org.openecomp.core.zusammen.plugin.dao.types.VersionEntity;
-
-import java.util.Collection;
-import java.util.Date;
-import java.util.stream.Collectors;
-
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.convertToItemVersion;
-import static org.openecomp.core.zusammen.plugin.ZusammenPluginUtil.getSpaceName;
-
-public class CassandraStateStorePluginImpl extends StateStoreImpl {
-
-  private ElementPrivateStore elementPrivateStore = new ElementPrivateStoreImpl();
-
-  @Override
-  public Response<Collection<ItemVersion>> listItemVersions(SessionContext context, Space space,
-                                                            Id itemId) {
-    String spaceName = getSpaceName(context, space);
-    return new Response<>(getVersionDao(context).list(context, spaceName, itemId).stream()
-        .map(versionEntity -> getItemVersion(context, spaceName, itemId, versionEntity))
-        .collect(Collectors.toList()));
-  }
-
-  @Override
-  public Response<Boolean> isItemVersionExist(SessionContext context, Space space, Id itemId,
-                                              Id versionId) {
-    return new Response<>(
-        getVersionDao(context).get(context, getSpaceName(context, space), itemId, versionId)
-            .isPresent());
-  }
-
-  @Override
-  public Response<ItemVersion> getItemVersion(SessionContext context, Space space, Id itemId,
-                                              Id versionId) {
-    String spaceName = getSpaceName(context, space);
-    return new Response<>(getVersionDao(context).get(context, spaceName, itemId, versionId)
-        .map(versionEntity -> getItemVersion(context, spaceName, itemId, versionEntity))
-        .orElse(null));
-  }
-
-  @Override
-  public Response<Void> createItemVersion(SessionContext context, Space space, Id itemId,
-                                          Id baseVersionId, Id versionId, ItemVersionData data,
-                                          Date creationTime) {
-    // done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> updateItemVersion(SessionContext context, Space space, Id itemId,
-                                          Id versionId, ItemVersionData data,
-                                          Date modificationTime) {
-    // done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> deleteItemVersion(SessionContext context, Space space, Id itemId,
-                                          Id versionId) {
-    // done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> createElement(SessionContext context, StateElement element) {
-    ElementEntity elementEntity = new ElementEntity(element.getId());
-    elementEntity.setNamespace(element.getNamespace());
-
-    ElementRepositoryFactory.getInstance().createInterface(context)
-        .createNamespace(context,
-            new ElementEntityContext(getSpaceName(context, element.getSpace()),
-                element.getItemId(), element.getVersionId()), elementEntity);
-    // create element is done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> updateElement(SessionContext context, StateElement element) {
-    // done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Void> deleteElement(SessionContext context, StateElement element) {
-    // done by collaboration store
-    return new Response(Void.TYPE);
-  }
-
-  @Override
-  public Response<Collection<StateElement>> listElements(SessionContext context,
-                                                         ElementContext elementContext,
-                                                         Id elementId) {
-    return new Response(elementPrivateStore.listSubs(context, elementContext, elementId).stream()
-        .map(elementEntity -> ZusammenPluginUtil.getStateElement(elementContext, elementEntity))
-        .collect(Collectors.toList()));
-
-  }
-
-  @Override
-  public Response<StateElement> getElement(SessionContext context, ElementContext elementContext,
-                                           Id elementId) {
-
-    return new Response(elementPrivateStore.get(context, elementContext, elementId)
-        .map(elementEntity -> ZusammenPluginUtil
-            .getStateElement(elementContext, elementEntity))
-        .orElse
-            (null));
-
-
-  }
-
-  private ItemVersion getItemVersion(SessionContext context, String spaceName, Id itemId,
-                                     VersionEntity versionEntity) {
-
-    ItemVersionData itemVersionData = getElementRepository(context)
-        .get(context, new ElementEntityContext(spaceName, itemId, versionEntity.getId(), null),
-            new VersionDataElement())
-        .map(ZusammenPluginUtil::convertToVersionData)
-        .orElseThrow(() -> new IllegalStateException("Version must have data"));
-
-    return convertToItemVersion(versionEntity, itemVersionData);
-  }
-
-  protected VersionDao getVersionDao(SessionContext context) {
-    return VersionDaoFactory.getInstance().createInterface(context);
-  }
-
-  protected ElementRepository getElementRepository(SessionContext context) {
-    return ElementRepositoryFactory.getInstance().createInterface(context);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/factoryConfiguration.json b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/factoryConfiguration.json
deleted file mode 100644
index 841e005709..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/factoryConfiguration.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "org.openecomp.core.zusammen.plugin.dao.VersionDaoFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.VersionDaoFactoryImpl",
-  "org.openecomp.core.zusammen.plugin.dao.ElementRepositoryFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.ElementRepositoryFactoryImpl",
-  "org.openecomp.core.zusammen.plugin.dao.VersionSynchronizationStateRepositoryFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.VersionSynchronizationStateRepositoryFactoryImpl",
-  "org.openecomp.core.zusammen.plugin.dao.ElementSynchronizationStateRepositoryFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.ElementSynchronizationStateRepositoryFactoryImpl",
-  "org.openecomp.core.zusammen.plugin.dao.VersionStageRepositoryFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.VersionStageRepositoryFactoryImpl",
-  "org.openecomp.core.zusammen.plugin.dao.ElementStageRepositoryFactory": "org.openecomp.core.zusammen.plugin.dao.impl.cassandra.ElementStageRepositoryFactoryImpl"
-}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/zusammen.json b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/zusammen.json
deleted file mode 100644
index 638695a7df..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/main/resources/zusammen.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "level": 10,
-  "configuration": {
-    "plugins": {
-      "zusammen_state_store": {
-        "implementationClass": "org.openecomp.core.zusammen.plugin.main.CassandraStateStorePluginImpl"
-      },
-      "zusammen_collaborative_store": {
-        "implementationClass": "org.openecomp.core.zusammen.plugin.main.CassandraCollaborationStorePluginImpl",
-        "properties": {
-          "master.branch": "main",
-          "private.path": "C:\\git\\private",
-          "public.path": "C:\\git\\public",
-          "blueprint.path": "C:\\git\\BP",
-          "public.url": "C:\\git\\public"
-        }
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/TestUtils.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/TestUtils.java
deleted file mode 100644
index 79e918c808..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/TestUtils.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright © 2016-2017 European Support Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.UserInfo;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.Info;
-import com.amdocs.zusammen.datatypes.item.ItemVersion;
-import com.amdocs.zusammen.datatypes.item.ItemVersionData;
-import com.amdocs.zusammen.datatypes.item.Relation;
-
-import java.util.Arrays;
-
-public class TestUtils {
-
-  public static SessionContext createSessionContext(UserInfo user, String tenant) {
-    SessionContext context = new SessionContext();
-    context.setUser(user);
-    context.setTenant(tenant);
-    return context;
-  }
-
-  public static ElementContext createElementContext(Id itemId, Id versionId) {
-    ElementContext elementContext = new ElementContext();
-    elementContext.setItemId(itemId);
-    elementContext.setVersionId(versionId);
-    return elementContext;
-  }
-
-  public static Info createInfo(String value) {
-    Info info = new Info();
-    info.setName(value);
-    info.addProperty("Name", "name_" + value);
-    info.addProperty("Desc", "desc_" + value);
-    return info;
-  }
-
-  public static ItemVersion createItemVersion(Id id, Id baseId, String name, boolean dirty) {
-    ItemVersion version = new ItemVersion();
-    version.setId(id);
-    version.setBaseId(baseId);
-    ItemVersionData data = new ItemVersionData();
-    data.setInfo(TestUtils.createInfo(name));
-    data.setRelations(Arrays.asList(new Relation(), new Relation()));
-    version.setData(data);
-    return version;
-  }
-}
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/VersionCollaborationStoreTest.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/VersionCollaborationStoreTest.java
deleted file mode 100644
index 4c4621e98b..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/VersionCollaborationStoreTest.java
+++ /dev/null
@@ -1,237 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration;
-
-public class VersionCollaborationStoreTest {/*
-  private static final String TENANT = "test";
-  private static final String USER = "ItemStateStoreTest_user";
-  private static final SessionContext context =
-      TestUtils.createSessionContext(new UserInfo(USER), TENANT);
-
-  @Mock
-  private VersionDao versionDaoMock;
-  @Mock
-  private ElementStore elementCollaborationStore;
-  @Spy
-  @InjectMocks
-  private VersionStore versionCollaborationStore;
-
-  @BeforeMethod
-  public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
-    when(versionCollaborationStore.getVersionDao(anyObject())).thenReturn(versionDaoMock);
-  }
-*//*
-  @Test
-  public void testListPrivateItemVersions() throws Exception {
-    testListItemVersions(Space.PRIVATE, USER);
-  }
-
-  @Test
-  public void testListPublicItemVersions() throws Exception {
-    testListItemVersions(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE);
-  }
-
-  @Test
-  public void testIsPrivateItemVersionExist() throws Exception {
-    testIsItemVersionExist(Space.PRIVATE, USER);
-  }
-
-  @Test
-  public void testIsPublicItemVersionExist() throws Exception {
-    testIsItemVersionExist(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE);
-  }
-
-  @Test
-  public void testIsItemVersionExistWhenNot() throws Exception {
-    Id itemId = new Id();
-    Id versionId = new Id();
-    doReturn(Optional.empty()).when(versionDaoMock).get(context, USER, itemId, versionId);
-
-    boolean itemExist =
-        versionCollaborationStore.isItemVersionExist(context, Space.PRIVATE, itemId, versionId);
-    Assert.assertFalse(itemExist);
-  }
-
-  @Test
-  public void testGetPrivateItemVersion() throws Exception {
-    testGetItemVersion(Space.PRIVATE, USER);
-  }
-
-  @Test
-  public void testGetPublicItemVersion() throws Exception {
-    testGetItemVersion(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE);
-  }
-
-
-  @Test
-  public void testGetNonExistingItemVersion() throws Exception {
-    Id itemId = new Id();
-    Id versionId = new Id();
-    doReturn(Optional.empty()).when(versionDaoMock).get(context, USER, itemId, versionId);
-
-    ItemVersion itemVersion =
-        versionCollaborationStore.getItemVersion(context, Space.PRIVATE, itemId, versionId);
-    Assert.assertNull(itemVersion);
-  }*//*
-
-  @Test
-  public void testCreatePrivateItemVersion() throws Exception {
-    testCreateItemVersion(Space.PRIVATE, USER, null);
-  }
-
-  @Test
-  public void testCreatePrivateItemVersionBasedOn() throws Exception {
-    testCreateItemVersion(Space.PRIVATE, USER, new Id());
-  }
-
-  @Test
-  public void testCreatePublicItemVersion() throws Exception {
-    testCreateItemVersion(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE, null);
-  }
-
-  @Test
-  public void testCreatePublicItemVersionBasedOn() throws Exception {
-    testCreateItemVersion(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE, new Id());
-  }
-
-  @Test
-  public void testUpdatePrivateItemVersion() throws Exception {
-    testUpdateItemVersion(Space.PRIVATE, USER);
-  }
-
-  @Test
-  public void testUpdatePublicItemVersion() throws Exception {
-    testUpdateItemVersion(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE);
-  }
-
-  @Test
-  public void testDeletePrivateItemVersion() throws Exception {
-    testDeleteItemVersion(Space.PRIVATE, USER);
-  }
-
-  @Test
-  public void testDeletePublicItemVersion() throws Exception {
-    testDeleteItemVersion(Space.PUBLIC, ZusammenPluginConstants.PUBLIC_SPACE);
-  }
-
-  @Test
-  public void testPublishItemVersionWhenNotDirty() throws Exception {
-    Id itemId = new Id();
-    ItemVersion version = TestUtils.createItemVersion(new Id(), null, "v1", false);
-    doReturn(Optional.of(version)).when(versionDaoMock).get(context, USER, itemId, version.getId());
-
-    versionCollaborationStore.publishItemVersion(context, itemId, version.getId(), "message");
-
-  }
-*//*
-  private void testIsItemVersionExist(Space space, String spaceName) {
-    Id itemId = new Id();
-    ItemVersion retrievedVersion = TestUtils.createItemVersion(new Id(), null, "v1");
-    doReturn(Optional.of(retrievedVersion)).when(versionDaoMock)
-        .get(context, spaceName, itemId, retrievedVersion.getId());
-
-    boolean itemExist =
-        versionCollaborationStore
-            .isItemVersionExist(context, space, itemId, retrievedVersion.getId());
-    Assert.assertTrue(itemExist);
-  }
-
-  private void testGetItemVersion(Space space, String spaceName) throws Exception {
-    Id itemId = new Id();
-    ItemVersion retrievedVersion = TestUtils.createItemVersion(new Id(), null, "v1");
-    doReturn(Optional.of(retrievedVersion)).when(versionDaoMock)
-        .get(context, spaceName, itemId, retrievedVersion.getId());
-
-    ItemVersion itemVersion =
-        versionCollaborationStore.getItemVersion(context, space, itemId, retrievedVersion.getId());
-    Assert.assertEquals(itemVersion, retrievedVersion);
-  }
-
-  private void testListItemVersions(Space space, String spaceName) {
-    Id itemId = new Id();
-    ItemVersion v1 = TestUtils.createItemVersion(new Id(), null, "v1");
-    ItemVersion v2 = TestUtils.createItemVersion(new Id(), v1.getId(), "v2");
-    ItemVersion v3 = TestUtils.createItemVersion(new Id(), v2.getId(), "v3");
-    List<ItemVersion> retrievedVersions = Arrays.asList(v1, v2, v3);
-    doReturn(retrievedVersions).when(versionDaoMock).list(context, spaceName, itemId);
-
-    Collection<ItemVersion> itemVersions =
-        versionCollaborationStore.listItemVersions(context, space, itemId);
-    Assert.assertEquals(itemVersions, retrievedVersions);
-  }*//*
-
-  private void testCreateItemVersion(Space space, String spaceName, Id baseId) {
-    Id itemId = new Id();
-    ItemVersion v1 = TestUtils.createItemVersion(new Id(), baseId, "v1", false);
-    List<ElementEntity> baseVersionElements = mockVersionElements(spaceName, itemId, baseId);
-
-    ArgumentCaptor<ItemVersion> versionCaptor = ArgumentCaptor.forClass(ItemVersion.class);
-
-    Date creationTime = new Date();
-    versionCollaborationStore
-        .createItemVersion(context, space, itemId, baseId, v1.getId(), v1.getData(), creationTime);
-
-    verify(versionDaoMock).create(eq(context), eq(spaceName), eq(itemId), versionCaptor.capture());
-    //baseId, v1.getId(),v1.getData(), creationTime);
-
-    ItemVersion capturedVersion = versionCaptor.getValue();
-    Assert.assertEquals(baseId, capturedVersion.getBaseId());
-    Assert.assertEquals(v1.getId(), capturedVersion.getId());
-    Assert.assertEquals(v1.getData(), capturedVersion.getData());
-    Assert.assertEquals(creationTime, capturedVersion.getCreationTime());
-*//*    verify(versionDaoMock)
-        .create(anyObject(), anyObject(), anyObject(), anyObject(), anyObject(), anyObject(),
-            anyObject());*//*
-
-*//*    if (baseId != null) {
-      baseVersionElements.forEach(element ->
-          verify(elementCollaborationStore).create(eq(context),
-              eq(new ElementEntityContext(spaceName, itemId, v1.getId())),
-              eq(element)));
-    } else {
-      verifyZeroInteractions(elementCollaborationStore);
-    }*//*
-  }
-
-  private void testUpdateItemVersion(Space space, String spaceName) {
-    Id itemId = new Id();
-    ItemVersion retrievedVersion = TestUtils.createItemVersion(new Id(), null, "v1", false);
-    doReturn(Optional.of(retrievedVersion)).when(versionDaoMock)
-        .get(context, spaceName, itemId, retrievedVersion.getId());
-
-    ItemVersionData updatedData = new ItemVersionData();
-    updatedData.setInfo(TestUtils.createInfo("v1 updated"));
-    updatedData.setRelations(
-        Arrays.asList(new Relation(), new Relation(), new Relation(), new Relation()));
-    versionCollaborationStore.updateItemVersion(
-        context, space, itemId, retrievedVersion.getId(), updatedData, new Date());
-
-    *//*verify(versionDaoMock)
-        .update(context, spaceName, itemId, retrievedVersion.getId(), updatedData, modificationTime);*//*
-    verify(versionDaoMock)
-        .update(anyObject(), anyObject(), anyObject(), anyObject());
-
-  }
-
-  private void testDeleteItemVersion(Space space, String spaceName) {
-    Id itemId = new Id();
-    Id versionId = new Id();
-
-    List<ElementEntity> versionElements = mockVersionElements(spaceName, itemId, versionId);
-    versionCollaborationStore.deleteItemVersion(context, space, itemId, versionId);
-
-*//*    versionElements.forEach(element ->
-        verify(elementCollaborationStore).delete(eq(context),
-            eq(new ElementEntityContext(spaceName, itemId, versionId)),
-            eq(element)));*//*
-    verify(versionDaoMock).delete(context, spaceName, itemId, versionId);
-  }
-
-  private List<ElementEntity> mockVersionElements(String spaceName, Id itemId, Id versionId) {
-    ElementEntity elm1 = new ElementEntity(new Id());
-    ElementEntity elm2 = new ElementEntity(new Id());
-    List<ElementEntity> baseVersionElements = Arrays.asList(elm1, elm2);
-*//*    doReturn(baseVersionElements).when(elementCollaborationStore)
-        .list(eq(context), eq(new ElementEntityContext(spaceName, itemId, versionId)));*//*
-    return baseVersionElements;
-  }*/
-}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImplTest.java b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImplTest.java
deleted file mode 100644
index 7f137b01b0..0000000000
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/openecomp-zusammen-plugin/src/test/java/org/openecomp/core/zusammen/plugin/collaboration/impl/ElementStageStoreImplTest.java
+++ /dev/null
@@ -1,167 +0,0 @@
-package org.openecomp.core.zusammen.plugin.collaboration.impl;
-
-import com.amdocs.zusammen.datatypes.Id;
-import com.amdocs.zusammen.datatypes.SessionContext;
-import com.amdocs.zusammen.datatypes.UserInfo;
-import com.amdocs.zusammen.datatypes.item.Action;
-import com.amdocs.zusammen.datatypes.item.ElementContext;
-import com.amdocs.zusammen.datatypes.item.Resolution;
-import com.amdocs.zusammen.plugin.statestore.cassandra.dao.types.ElementEntityContext;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.mockito.Spy;
-import org.openecomp.core.zusammen.plugin.collaboration.TestUtils;
-import org.openecomp.core.zusammen.plugin.dao.ElementStageRepository;
-import org.openecomp.core.zusammen.plugin.dao.types.ElementEntity;
-import org.openecomp.core.zusammen.plugin.dao.types.StageEntity;
-import org.testng.annotations.BeforeMethod;
-import org.testng.annotations.Test;
-
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.Set;
-
-import static org.mockito.Matchers.anyObject;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-public class ElementStageStoreImplTest {
-  private static final UserInfo USER = new UserInfo("user");
-  private static final SessionContext context = TestUtils.createSessionContext(USER, "test");
-  private static final ElementContext elementContext =
-      TestUtils.createElementContext(new Id(), new Id());
-
-  @Mock
-  private ElementStageRepository elementStageRepositoryMock;
-  @Spy
-  private ElementStageStoreImpl elementStageStore;
-
-  @BeforeMethod
-  public void setUp() throws Exception {
-    MockitoAnnotations.initMocks(this);
-    when(elementStageStore.getElementStageRepository(anyObject()))
-        .thenReturn(elementStageRepositoryMock);
-  }
-
-  @Test
-  public void testListIds() throws Exception {
-
-  }
-
-  @Test
-  public void testGet() throws Exception {
-
-  }
-
-  @Test
-  public void testGetConflicted() throws Exception {
-
-  }
-
-  @Test
-  public void testHasConflicts() throws Exception {
-
-  }
-
-  @Test
-  public void testListConflictedDescriptors() throws Exception {
-
-  }
-
-  @Test
-  public void testCreate() throws Exception {
-
-  }
-
-  @Test
-  public void testDelete() throws Exception {
-
-  }
-
-  @Test
-  public void testResolveConflictWhenNotStaged() throws Exception {
-    doReturn(Optional.empty())
-        .when(elementStageRepositoryMock).get(anyObject(), anyObject(), anyObject());
-    elementStageStore
-        .resolveConflict(context, elementContext, new ElementEntity(new Id()), Resolution.YOURS);
-  }
-
-  @Test
-  public void testResolveConflictWhenNotConflicted() throws Exception {
-    Id elementId = new Id();
-    StageEntity<ElementEntity> stagedElement =
-        new StageEntity<>(new ElementEntity(elementId), new Date());
-    doReturn(Optional.of(stagedElement))
-        .when(elementStageRepositoryMock).get(anyObject(), anyObject(), anyObject());
-    elementStageStore
-        .resolveConflict(context, elementContext, new ElementEntity(elementId), Resolution.YOURS);
-  }
-
-  @Test
-  public void testResolveConflictByYours() throws Exception {
-    Id elementId = new Id();
-    StageEntity<ElementEntity> stagedElement =
-        new StageEntity<>(new ElementEntity(elementId), new Date());
-    stagedElement.setAction(Action.UPDATE);
-    stagedElement.setConflicted(true);
-
-    doReturn(Optional.of(stagedElement))
-        .when(elementStageRepositoryMock).get(anyObject(), anyObject(), anyObject());
-
-    elementStageStore
-        .resolveConflict(context, elementContext, new ElementEntity(elementId), Resolution.YOURS);
-
-    verify(elementStageRepositoryMock).markAsNotConflicted(same(context),
-        eq(new ElementEntityContext(USER.getUserName(), elementContext)),
-        same(stagedElement.getEntity()), same(Action.IGNORE));
-  }
-
-  @Test
-  public void testResolveConflictByYoursWithRelated() throws Exception {
-    Id elementId = new Id();
-    StageEntity<ElementEntity> stagedElement =
-        new StageEntity<>(new ElementEntity(elementId), new Date());
-    stagedElement.setAction(Action.UPDATE);
-    stagedElement.setConflicted(true);
-    ElementEntity relatedElement1 = new ElementEntity(new Id());
-    ElementEntity relatedElement2 = new ElementEntity(new Id());
-    ElementEntity relatedElement3 = new ElementEntity(new Id());
-    Set<ElementEntity> relatedElements = new HashSet<>();
-    relatedElements.add(relatedElement1);
-    relatedElements.add(relatedElement2);
-    relatedElements.add(relatedElement3);
-    stagedElement.setConflictDependents(relatedElements);
-
-    doReturn(Optional.of(stagedElement))
-        .when(elementStageRepositoryMock).get(anyObject(), anyObject(), anyObject());
-
-    elementStageStore
-        .resolveConflict(context, elementContext, new ElementEntity(elementId), Resolution.YOURS);
-
-    ElementEntityContext elementEntityContext =
-        new ElementEntityContext(USER.getUserName(), elementContext);
-    verify(elementStageRepositoryMock).markAsNotConflicted(same(context), eq(elementEntityContext),
-        same(stagedElement.getEntity()), same(Action.IGNORE));
-    verify(elementStageRepositoryMock).markAsNotConflicted(same(context), eq(elementEntityContext),
-        same(relatedElement1), same(Action.IGNORE));
-    verify(elementStageRepositoryMock).markAsNotConflicted(same(context), eq(elementEntityContext),
-        same(relatedElement2), same(Action.IGNORE));
-    verify(elementStageRepositoryMock).markAsNotConflicted(same(context), eq(elementEntityContext),
-        same(relatedElement3), same(Action.IGNORE));
-  }
-
-  @Test
-  public void testResolveConflictByTheirs() throws Exception {
-
-  }
-
-  @Test
-  public void testResolveConflictByTheirsWithRelated() throws Exception {
-
-  }
-
-}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/pom.xml b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/pom.xml
index 5747b32167..8d4477c2ee 100644
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/pom.xml
+++ b/openecomp-be/lib/openecomp-core-lib/openecomp-zusammen-lib/pom.xml
@@ -5,7 +5,6 @@
 
     <name>openecomp-zusammen-lib</name>
     <artifactId>openecomp-zusammen-lib</artifactId>
-    <groupId>org.openecomp.sdc.core</groupId>
     <packaging>pom</packaging>
     <parent>
         <groupId>org.openecomp.sdc.core</groupId>
@@ -17,7 +16,6 @@
     <modules>
         <module>openecomp-zusammen-api</module>
         <module>openecomp-zusammen-core</module>
-        <module>openecomp-zusammen-plugin</module>
     </modules>