push addional code

Change-Id: Ia427bb3460cda3a896f8faced2de69eaf3807b74
Signed-off-by: Michael Lando <ml636r@att.com>

40 files changed, 2209 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManager.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManager.java
new file mode 100644
index 0000000000..7fab25456c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManager.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning;
+
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.types.VersionInfo;
+import org.openecomp.sdc.versioning.types.VersionableEntityAction;
+import org.openecomp.sdc.versioning.types.VersionableEntityMetadata;
+
+import java.util.Map;
+
+public interface VersioningManager {
+
+  void register(String entityType, VersionableEntityMetadata entityMetadata);
+
+  Version create(String entityType, String entityId, String user);
+
+  void delete(String entityType, String entityId, String user);
+
+  void undoDelete(String entityType, String entityId, String user);
+
+  Version checkout(String entityType, String entityId, String user);
+
+  Version undoCheckout(String entityType, String entityId, String user);
+
+  Version checkin(String entityType, String entityId, String user, String checkinDescription);
+
+  Version submit(String entityType, String entityId, String user, String submitDescription);
+
+  VersionInfo getEntityVersionInfo(String entityType, String entityId, String user,
+                                   VersionableEntityAction action);
+
+  Map<String, VersionInfo> listEntitiesVersionInfo(String entityType, String user,
+                                                   VersionableEntityAction action);
+
+  Map<String, VersionInfo> listDeletedEntitiesVersionInfo(String entityType, String user,
+                                                          VersionableEntityAction action);
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManagerFactory.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManagerFactory.java
new file mode 100644
index 0000000000..089777bbe6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningManagerFactory.java
@@ -0,0 +1,31 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+public abstract class VersioningManagerFactory extends AbstractComponentFactory<VersioningManager> {
+
+  public static VersioningManagerFactory getInstance() {
+    return AbstractFactory.getInstance(VersioningManagerFactory.class);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningUtil.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningUtil.java
new file mode 100644
index 0000000000..d51f8c0a2b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/VersioningUtil.java
@@ -0,0 +1,187 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.dao.types.VersionableEntity;
+import org.openecomp.sdc.versioning.errors.RequestedVersionInvalidErrorBuilder;
+import org.openecomp.sdc.versioning.errors.VersionableSubEntityNotFoundErrorBuilder;
+import org.openecomp.sdc.versioning.types.VersionInfo;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * The type Versioning util.
+ */
+public class VersioningUtil {
+
+  /**
+   * Validate entity existence.
+   *
+   * @param <T>                   the type parameter
+   * @param retrievedEntity       the retrieved entity
+   * @param inputEntity           the input entity
+   * @param firstClassCitizenType the first class citizen type
+   */
+  public static <T extends VersionableEntity> void validateEntityExistence(Object retrievedEntity,
+                                                                 T inputEntity,
+                                                                 String firstClassCitizenType) {
+    if (retrievedEntity == null) {
+      throw new CoreException(new VersionableSubEntityNotFoundErrorBuilder(
+          inputEntity.getEntityType(),
+          inputEntity.getId(),
+          firstClassCitizenType,
+          inputEntity.getFirstClassCitizenId(),
+          inputEntity.getVersion()).build());
+    }
+  }
+
+  /**
+   * Validate entities existence.
+   *
+   * @param <T>                   the type parameter
+   * @param <D>                   the type parameter
+   * @param entityIds             the entity ids
+   * @param entity                the entity
+   * @param entityDao             the entity dao
+   * @param firstClassCitizenType the first class citizen type
+   */
+  public static <T extends VersionableEntity, D extends BaseDao<T>> void validateEntitiesExistence(
+      Set<String> entityIds, T entity, D entityDao, String firstClassCitizenType) {
+    if (entityIds == null) {
+      return;
+    }
+
+    List<String> nonExistingIds = new ArrayList<>();
+    for (String entityId : entityIds) {
+      entity.setId(entityId);
+      if (entityDao.get(entity) == null) {
+        nonExistingIds.add(entityId);
+      }
+    }
+
+    if (nonExistingIds.size() > 0) {
+      if (nonExistingIds.size() == 1) {
+        throw new CoreException(new VersionableSubEntityNotFoundErrorBuilder(
+            entity.getEntityType(),
+            nonExistingIds.get(0),
+            firstClassCitizenType,
+            entity.getFirstClassCitizenId(),
+            entity.getVersion()).build());
+      }
+      throw new CoreException(new VersionableSubEntityNotFoundErrorBuilder(
+          entity.getEntityType(),
+          nonExistingIds,
+          firstClassCitizenType,
+          entity.getFirstClassCitizenId(),
+          entity.getVersion()).build());
+    }
+  }
+
+  /**
+   * Validate contained entities existence.
+   *
+   * @param <T>                         the type parameter
+   * @param containedEntityType         the contained entity type
+   * @param inputContainedEntityIds     the input contained entity ids
+   * @param containingEntity            the containing entity
+   * @param retrievedContainedEntityIds the retrieved contained entity ids
+   */
+  public static <T extends VersionableEntity> void validateContainedEntitiesExistence(
+      String containedEntityType, Set<String> inputContainedEntityIds, T containingEntity,
+      Set<String> retrievedContainedEntityIds) {
+    if (inputContainedEntityIds == null) {
+      return;
+    }
+
+    List<String> nonExistingIds = inputContainedEntityIds.stream()
+        .filter(entityId -> !retrievedContainedEntityIds.contains(entityId))
+        .collect(Collectors.toList());
+
+    if (nonExistingIds.size() > 0) {
+      if (nonExistingIds.size() == 1) {
+        throw new CoreException(new VersionableSubEntityNotFoundErrorBuilder(
+            containedEntityType,
+            nonExistingIds.get(0),
+            containingEntity.getEntityType(),
+            containingEntity.getId(),
+            containingEntity.getVersion()).build());
+      }
+      throw new CoreException(new VersionableSubEntityNotFoundErrorBuilder(
+          containedEntityType,
+          nonExistingIds,
+          containingEntity.getEntityType(),
+          containingEntity.getId(),
+          containingEntity.getVersion()).build());
+    }
+  }
+
+  /**
+   * Resolve version version.
+   *
+   * @param requestedVersion the requested version
+   * @param versionInfo      the version info
+   * @param finalOnly        the final only
+   * @return the version
+   */
+  public static Version resolveVersion(Version requestedVersion, VersionInfo versionInfo,
+                                       boolean finalOnly) {
+    if (requestedVersion == null) {
+      if (finalOnly) {
+        if (versionInfo.getLatestFinalVersion() == null) {
+          throw new CoreException(new RequestedVersionInvalidErrorBuilder().build());
+        }
+        requestedVersion = versionInfo.getLatestFinalVersion();
+      } else {
+        requestedVersion = versionInfo.getActiveVersion();
+      }
+    } else {
+      if ((finalOnly && !requestedVersion.isFinal())
+          || !versionInfo.getViewableVersions().contains(requestedVersion)) {
+        throw new CoreException(new RequestedVersionInvalidErrorBuilder().build());
+      }
+    }
+    return requestedVersion;
+  }
+
+  /**
+   * Resolve version version.
+   *
+   * @param requestedVersion the requested version
+   * @param versionInfo      the version info
+   * @return the version
+   */
+  public static Version resolveVersion(Version requestedVersion, VersionInfo versionInfo) {
+    if (requestedVersion == null) {
+      requestedVersion = versionInfo.getActiveVersion();
+    } else {
+      if (!versionInfo.getViewableVersions().contains(requestedVersion)) {
+        throw new CoreException(new RequestedVersionInvalidErrorBuilder().build());
+      }
+    }
+    return requestedVersion;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDao.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDao.java
new file mode 100644
index 0000000000..f90265aeb6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDao.java
@@ -0,0 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.versioning.dao.types.VersionHistoryEntity;
+
+public interface VersionHistoryDao extends BaseDao<VersionHistoryEntity> {
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDaoFactory.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDaoFactory.java
new file mode 100644
index 0000000000..9ea8d714b0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionHistoryDaoFactory.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+public abstract class VersionHistoryDaoFactory extends AbstractComponentFactory<VersionHistoryDao> {
+  public static VersionHistoryDaoFactory getInstance() {
+    return AbstractFactory.getInstance(VersionHistoryDaoFactory.class);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDao.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDao.java
new file mode 100644
index 0000000000..260214eb07
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDao.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.versioning.dao.types.VersionInfoEntity;
+
+public interface VersionInfoDao extends BaseDao<VersionInfoEntity> {
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDaoFactory.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDaoFactory.java
new file mode 100644
index 0000000000..ebdb1a590b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDaoFactory.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+public abstract class VersionInfoDaoFactory extends AbstractComponentFactory<VersionInfoDao> {
+  public static VersionInfoDaoFactory getInstance() {
+    return AbstractFactory.getInstance(VersionInfoDaoFactory.class);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDao.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDao.java
new file mode 100644
index 0000000000..cb6c050520
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDao.java
@@ -0,0 +1,29 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.versioning.dao.types.VersionInfoDeletedEntity;
+
+public interface VersionInfoDeletedDao extends BaseDao<VersionInfoDeletedEntity> {
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDaoFactory.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDaoFactory.java
new file mode 100644
index 0000000000..d14cbfeb0b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionInfoDeletedDaoFactory.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+public abstract class VersionInfoDeletedDaoFactory
+    extends AbstractComponentFactory<VersionInfoDeletedDao> {
+  public static VersionInfoDeletedDaoFactory getInstance() {
+    return AbstractFactory.getInstance(VersionInfoDeletedDaoFactory.class);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableDao.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableDao.java
new file mode 100644
index 0000000000..12cef62f44
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableDao.java
@@ -0,0 +1,25 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+public interface VersionableDao {
+  void registerVersioning(String versionableEntityType);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDao.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDao.java
new file mode 100644
index 0000000000..8709a983a3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDao.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.types.VersionableEntityMetadata;
+
+public interface VersionableEntityDao {
+
+  void initVersion(VersionableEntityMetadata versionableTableMetadata, String entityId,
+                   Version baseVersion, Version newVersion);
+
+  void deleteVersion(VersionableEntityMetadata versionableTableMetadata, String entityId,
+                     Version versionToDelete);
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDaoFactory.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDaoFactory.java
new file mode 100644
index 0000000000..be3c635be2
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/VersionableEntityDaoFactory.java
@@ -0,0 +1,31 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+public abstract class VersionableEntityDaoFactory
+    extends AbstractComponentFactory<VersionableEntityDao> {
+  public static VersionableEntityDaoFactory getInstance() {
+    return AbstractFactory.getInstance(VersionableEntityDaoFactory.class);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/UserCandidateVersion.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/UserCandidateVersion.java
new file mode 100644
index 0000000000..ca044142de
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/UserCandidateVersion.java
@@ -0,0 +1,56 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.Frozen;
+import com.datastax.driver.mapping.annotations.UDT;
+
+@UDT(name = "user_candidate_version", keyspace = "dox")
+public class UserCandidateVersion {
+
+  @Frozen
+  private Version version;
+  private String user;
+
+  public UserCandidateVersion() {
+  }
+
+  public UserCandidateVersion(String user, Version candidateVersion) {
+    this.user = user;
+    this.version = candidateVersion;
+  }
+
+  public Version getVersion() {
+    return version;
+  }
+
+  public void setVersion(Version version) {
+    this.version = version;
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public void setUser(String user) {
+    this.user = user;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/Version.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/Version.java
new file mode 100644
index 0000000000..e6ac799fd4
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/Version.java
@@ -0,0 +1,119 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.UDT;
+
+@UDT(name = "version", keyspace = "dox")
+public class Version {
+  public static final String VERSION_REGEX = "^\\d+\\.\\d+$";
+  public static final String VERSION_STRING_VIOLATION_MSG =
+      "Version string must be in the format of: {integer}.{integer}";
+
+  private int major;
+  private int minor;
+
+  public Version() {
+  }
+
+  public Version(int major, int minor) {
+    this.major = major;
+    this.minor = minor;
+  }
+
+  /**
+   * Value of version.
+   *
+   * @param versionString the version string
+   * @return the version
+   */
+  public static Version valueOf(String versionString) {
+    if (versionString == null) {
+      return null;
+    }
+    String[] versionLevels = versionString.split("\\.");
+    Version version;
+    if (versionLevels.length != 2) {
+      throw new IllegalArgumentException(VERSION_STRING_VIOLATION_MSG);
+    }
+    try {
+      version = new Version(Integer.parseInt(versionLevels[0]), Integer.parseInt(versionLevels[1]));
+    } catch (Exception exception) {
+      throw new IllegalArgumentException(VERSION_STRING_VIOLATION_MSG);
+    }
+
+    return version;
+  }
+
+  public int getMajor() {
+    return major;
+  }
+
+  public void setMajor(int major) {
+    this.major = major;
+  }
+
+  public int getMinor() {
+    return minor;
+  }
+
+  public void setMinor(int minor) {
+    this.minor = minor;
+  }
+
+  public Version calculateNextCandidate() {
+    return new Version(major, minor + 1);
+  }
+
+  public Version calculateNextFinal() {
+    return new Version(major + 1, 0);
+  }
+
+  public boolean isFinal() {
+    return major != 0 && minor == 0;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || getClass() != obj.getClass()) {
+      return false;
+    }
+
+    Version version = (Version) obj;
+
+    return major == version.major && minor == version.minor;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = major;
+    result = 31 * result + minor;
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return major + "." + minor;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionHistoryEntity.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionHistoryEntity.java
new file mode 100644
index 0000000000..e97e177f52
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionHistoryEntity.java
@@ -0,0 +1,90 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.Frozen;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+@Table(keyspace = "dox", name = "version_history")
+public class VersionHistoryEntity {
+
+  @PartitionKey
+  @Column(name = "entity_id")
+  @Frozen
+  private VersionableEntityId entityId;
+
+  @Column(name = "active_version")
+  @Frozen
+  private Version version;
+
+  private String user;
+  private String description;
+  private VersionType type;
+
+  public VersionHistoryEntity() {
+  }
+
+  public VersionHistoryEntity(VersionableEntityId entityId) {
+    this.entityId = entityId;
+  }
+
+  public VersionableEntityId getEntityId() {
+    return entityId;
+  }
+
+  public void setEntityId(VersionableEntityId entityId) {
+    this.entityId = entityId;
+  }
+
+  public Version getVersion() {
+    return version;
+  }
+
+  public void setVersion(Version version) {
+    this.version = version;
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public void setUser(String user) {
+    this.user = user;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public VersionType getType() {
+    return type;
+  }
+
+  public void setType(VersionType type) {
+    this.type = type;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoDeletedEntity.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoDeletedEntity.java
new file mode 100644
index 0000000000..9a60aa3b4a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoDeletedEntity.java
@@ -0,0 +1,126 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.ClusteringColumn;
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.Enumerated;
+import com.datastax.driver.mapping.annotations.Frozen;
+import com.datastax.driver.mapping.annotations.FrozenValue;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@Table(keyspace = "dox", name = "version_info_deleted")
+public class VersionInfoDeletedEntity {
+
+  @PartitionKey
+  @Column(name = "entity_type")
+  private String entityType;
+
+  @ClusteringColumn
+  @Column(name = "entity_id")
+  private String entityId;
+
+  @Column(name = "active_version")
+  @Frozen
+  private Version activeVersion;
+
+  @Enumerated
+  private VersionStatus status;
+
+  @Frozen
+  private UserCandidateVersion candidate;
+
+  @Column(name = "viewable_versions")
+  @FrozenValue
+  private Set<Version> viewableVersions = new HashSet<>();
+
+  @Column(name = "latest_final_version")
+  @Frozen
+  private Version latestFinalVersion;
+
+  public VersionInfoDeletedEntity() {
+  }
+
+  public VersionInfoDeletedEntity(String entityType, String entityId) {
+    this.entityType = entityType;
+    this.entityId = entityId;
+  }
+
+  public String getEntityType() {
+    return entityType;
+  }
+
+  public void setEntityType(String entityType) {
+    this.entityType = entityType;
+  }
+
+  public String getEntityId() {
+    return entityId;
+  }
+
+  public void setEntityId(String entityId) {
+    this.entityId = entityId;
+  }
+
+  public Version getActiveVersion() {
+    return activeVersion;
+  }
+
+  public void setActiveVersion(Version activeVersion) {
+    this.activeVersion = activeVersion;
+  }
+
+  public VersionStatus getStatus() {
+    return status;
+  }
+
+  public void setStatus(VersionStatus status) {
+    this.status = status;
+  }
+
+  public UserCandidateVersion getCandidate() {
+    return candidate;
+  }
+
+  public void setCandidate(UserCandidateVersion candidate) {
+    this.candidate = candidate;
+  }
+
+  public Set<Version> getViewableVersions() {
+    return viewableVersions;
+  }
+
+  public void setViewableVersions(Set<Version> viewableVersions) {
+    this.viewableVersions = viewableVersions;
+  }
+
+  public Version getLatestFinalVersion() {
+    return latestFinalVersion;
+  }
+
+  public void setLatestFinalVersion(Version latestFinalVersion) {
+    this.latestFinalVersion = latestFinalVersion;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoEntity.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoEntity.java
new file mode 100644
index 0000000000..35ab4056f9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionInfoEntity.java
@@ -0,0 +1,126 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.ClusteringColumn;
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.Enumerated;
+import com.datastax.driver.mapping.annotations.Frozen;
+import com.datastax.driver.mapping.annotations.FrozenValue;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@Table(keyspace = "dox", name = "version_info")
+public class VersionInfoEntity {
+
+  @PartitionKey
+  @Column(name = "entity_type")
+  private String entityType;
+
+  @ClusteringColumn
+  @Column(name = "entity_id")
+  private String entityId;
+
+  @Column(name = "active_version")
+  @Frozen
+  private Version activeVersion;
+
+  @Enumerated
+  private VersionStatus status;
+
+  @Frozen
+  private UserCandidateVersion candidate;
+
+  @Column(name = "viewable_versions")
+  @FrozenValue
+  private Set<Version> viewableVersions = new HashSet<>();
+
+  @Column(name = "latest_final_version")
+  @Frozen
+  private Version latestFinalVersion;
+
+  public VersionInfoEntity() {
+  }
+
+  public VersionInfoEntity(String entityType, String entityId) {
+    this.entityType = entityType;
+    this.entityId = entityId;
+  }
+
+  public String getEntityType() {
+    return entityType;
+  }
+
+  public void setEntityType(String entityType) {
+    this.entityType = entityType;
+  }
+
+  public String getEntityId() {
+    return entityId;
+  }
+
+  public void setEntityId(String entityId) {
+    this.entityId = entityId;
+  }
+
+  public Version getActiveVersion() {
+    return activeVersion;
+  }
+
+  public void setActiveVersion(Version activeVersion) {
+    this.activeVersion = activeVersion;
+  }
+
+  public VersionStatus getStatus() {
+    return status;
+  }
+
+  public void setStatus(VersionStatus status) {
+    this.status = status;
+  }
+
+  public UserCandidateVersion getCandidate() {
+    return candidate;
+  }
+
+  public void setCandidate(UserCandidateVersion candidate) {
+    this.candidate = candidate;
+  }
+
+  public Set<Version> getViewableVersions() {
+    return viewableVersions;
+  }
+
+  public void setViewableVersions(Set<Version> viewableVersions) {
+    this.viewableVersions = viewableVersions;
+  }
+
+  public Version getLatestFinalVersion() {
+    return latestFinalVersion;
+  }
+
+  public void setLatestFinalVersion(Version latestFinalVersion) {
+    this.latestFinalVersion = latestFinalVersion;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionStatus.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionStatus.java
new file mode 100644
index 0000000000..1fb68540d6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionStatus.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+public enum VersionStatus {
+  Available,
+  Locked,
+  Final
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionType.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionType.java
new file mode 100644
index 0000000000..5a395c6172
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionType.java
@@ -0,0 +1,26 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+public enum VersionType {
+  Draft,
+  Finalized
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntity.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntity.java
new file mode 100644
index 0000000000..d909af86a3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntity.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+public interface VersionableEntity {
+
+  String getEntityType();
+
+  String getFirstClassCitizenId();
+
+  String getId();
+
+  void setId(String id);
+
+  Version getVersion();
+
+  void setVersion(Version version);
+
+  default String getVersionUuId() {
+    return "";
+  }
+
+  default void setVersionUuId(String uuId) {
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntityId.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntityId.java
new file mode 100644
index 0000000000..78dc1b8811
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/dao/types/VersionableEntityId.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.dao.types;
+
+import com.datastax.driver.mapping.annotations.UDT;
+
+@UDT(name = "versionable_entity_id", keyspace = "dox")
+public class VersionableEntityId {
+  private String type;
+  private String id;
+
+  public VersionableEntityId() {
+  }
+
+  public VersionableEntityId(String type, String id) {
+    this.type = type;
+    this.id = id;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public String getId() {
+    return id;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnEntityLockedByOtherErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnEntityLockedByOtherErrorBuilder.java
new file mode 100644
index 0000000000..829ce2691b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnEntityLockedByOtherErrorBuilder.java
@@ -0,0 +1,52 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import static org.openecomp.sdc.versioning.errors.VersioningErrorCodes
+    .CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Checkin on entity locked by other error builder.
+ */
+public class CheckinOnEntityLockedByOtherErrorBuilder extends BaseErrorBuilder {
+
+  private static final String CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG =
+      "Can not check in versionable entity %s with id %s since it is "
+          + "checked out by other user: %s.";
+
+  /**
+   * Instantiates a new Checkin on entity locked by other error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public CheckinOnEntityLockedByOtherErrorBuilder(String entityType, String entityId,
+                                                  String lockingUser) {
+    getErrorCodeBuilder().withId(CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(String
+        .format(CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG, entityType, entityId, lockingUser));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnUnlockedEntityErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnUnlockedEntityErrorBuilder.java
new file mode 100644
index 0000000000..4628febe2b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckinOnUnlockedEntityErrorBuilder.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Checkin on unlocked entity error builder.
+ */
+public class CheckinOnUnlockedEntityErrorBuilder extends BaseErrorBuilder {
+
+  private static final String CHECKIN_ON_UNLOCKED_ENTITY_MSG =
+      "Can not check in versionable entity %s with id %s since it is not checked out.";
+
+  /**
+   * Instantiates a new Checkin on unlocked entity error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public CheckinOnUnlockedEntityErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.CHECKIN_ON_UNLOCKED_ENTITY);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(CHECKIN_ON_UNLOCKED_ENTITY_MSG, entityType, entityId));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckoutOnLockedEntityErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckoutOnLockedEntityErrorBuilder.java
new file mode 100644
index 0000000000..60c02474ad
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/CheckoutOnLockedEntityErrorBuilder.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Checkout on locked entity error builder.
+ */
+public class CheckoutOnLockedEntityErrorBuilder extends BaseErrorBuilder {
+
+  private static final String CHECKOT_ON_LOCKED_ENTITY_MSG =
+      "Can not check out versionable entity %s with id %s since it is "
+          + "checked out by other user: %s.";
+
+  /**
+   * Instantiates a new Checkout on locked entity error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public CheckoutOnLockedEntityErrorBuilder(String entityType, String entityId,
+                                            String lockingUser) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.CHECKOT_ON_LOCKED_ENTITY);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(
+        String.format(CHECKOT_ON_LOCKED_ENTITY_MSG, entityType, entityId, lockingUser));
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/DeleteOnLockedEntityErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/DeleteOnLockedEntityErrorBuilder.java
new file mode 100644
index 0000000000..a431e92ba4
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/DeleteOnLockedEntityErrorBuilder.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Delete on locked entity error builder.
+ */
+public class DeleteOnLockedEntityErrorBuilder extends BaseErrorBuilder {
+
+  private static final String DELETE_ON_LOCKED_ENTITY_MSG =
+      "Can not delete versionable entity %s with id %s since it is checked out by other user: %s.";
+
+  /**
+   * Instantiates a new Delete on locked entity error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public DeleteOnLockedEntityErrorBuilder(String entityType, String entityId, String lockingUser) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.DELETE_ON_LOCKED_ENTITY);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(DELETE_ON_LOCKED_ENTITY_MSG, entityType, entityId, lockingUser));
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnEntityLockedByOtherErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnEntityLockedByOtherErrorBuilder.java
new file mode 100644
index 0000000000..2c41bdeab1
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnEntityLockedByOtherErrorBuilder.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Edit on entity locked by other error builder.
+ */
+public class EditOnEntityLockedByOtherErrorBuilder extends BaseErrorBuilder {
+
+  private static final String EDIT_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG =
+      "Versionable entity %s with id %s can not be edited since it is locked by other user %s.";
+
+  /**
+   * Instantiates a new Edit on entity locked by other error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public EditOnEntityLockedByOtherErrorBuilder(String entityType, String entityId,
+                                               String lockingUser) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.EDIT_ON_ENTITY_LOCKED_BY_OTHER_USER);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(
+        String.format(EDIT_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG, entityType, entityId, lockingUser));
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnUnlockedEntityErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnUnlockedEntityErrorBuilder.java
new file mode 100644
index 0000000000..fb61cce1f0
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EditOnUnlockedEntityErrorBuilder.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Edit on unlocked entity error builder.
+ */
+public class EditOnUnlockedEntityErrorBuilder extends BaseErrorBuilder {
+
+  private static final String EDIT_ON_UNLOCKED_ENTITY_MSG =
+      "Can not edit versionable entity %s with id %s since it is not checked out.";
+
+  /**
+   * Instantiates a new Edit on unlocked entity error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public EditOnUnlockedEntityErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.EDIT_ON_UNLOCKED_ENTITY);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(EDIT_ON_UNLOCKED_ENTITY_MSG, entityType, entityId));
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyExistErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyExistErrorBuilder.java
new file mode 100644
index 0000000000..8f80f6e14e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyExistErrorBuilder.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Entity already exist error builder.
+ */
+public class EntityAlreadyExistErrorBuilder extends BaseErrorBuilder {
+
+  private static final String VERSIONABLE_ENTITY_ALREADY_EXIST_MSG =
+      "Versionable entity %s with id %s already exist.";
+
+  /**
+   * Instantiates a new Entity already exist error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public EntityAlreadyExistErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.VERSIONABLE_ENTITY_ALREADY_EXIST);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(VERSIONABLE_ENTITY_ALREADY_EXIST_MSG, entityType, entityId));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyFinalizedErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyFinalizedErrorBuilder.java
new file mode 100644
index 0000000000..22643ddc26
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityAlreadyFinalizedErrorBuilder.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import static org.openecomp.sdc.versioning.errors.VersioningErrorCodes
+    .SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Entity already finalized error builder.
+ */
+public class EntityAlreadyFinalizedErrorBuilder extends BaseErrorBuilder {
+
+  private static final String SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED_MSG =
+      "Versionable entity %s with id %s can not be submitted since it is already final.";
+
+  /**
+   * Instantiates a new Entity already finalized error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public EntityAlreadyFinalizedErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED_MSG, entityType, entityId));
+  }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityNotExistErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityNotExistErrorBuilder.java
new file mode 100644
index 0000000000..806557f935
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/EntityNotExistErrorBuilder.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Entity not exist error builder.
+ */
+public class EntityNotExistErrorBuilder extends BaseErrorBuilder {
+
+  private static final String VERSIONABLE_ENTITY_NOT_EXIST_MSG =
+      "Versionable entity %s with id %s does not exist.";
+
+  /**
+   * Instantiates a new Entity not exist error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public EntityNotExistErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.VERSIONABLE_ENTITY_NOT_EXIST);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(VERSIONABLE_ENTITY_NOT_EXIST_MSG, entityType, entityId));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/RequestedVersionInvalidErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/RequestedVersionInvalidErrorBuilder.java
new file mode 100644
index 0000000000..7d3afcb94a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/RequestedVersionInvalidErrorBuilder.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Requested version invalid error builder.
+ */
+public class RequestedVersionInvalidErrorBuilder extends BaseErrorBuilder {
+  private static final String REQUESTED_VERSION_INVALID_MSG = "Invalid requested version.";
+
+  /**
+   * Instantiates a new Requested version invalid error builder.
+   */
+  public RequestedVersionInvalidErrorBuilder() {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.REQUESTED_VERSION_INVALID);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(REQUESTED_VERSION_INVALID_MSG);
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/SubmitLockedEntityNotAllowedErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/SubmitLockedEntityNotAllowedErrorBuilder.java
new file mode 100644
index 0000000000..3f4fc81b76
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/SubmitLockedEntityNotAllowedErrorBuilder.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Submit locked entity not allowed error builder.
+ */
+public class SubmitLockedEntityNotAllowedErrorBuilder extends BaseErrorBuilder {
+
+  private static final String SUBMIT_LOCKED_ENTITY_NOT_ALLOWED_MSG =
+      "Versionable entity %s with id %s can not be submitted since it is currently "
+          + "locked by user %s.";
+
+  /**
+   * Instantiates a new Submit locked entity not allowed error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public SubmitLockedEntityNotAllowedErrorBuilder(String entityType, String entityId,
+                                                  String lockingUser) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.SUBMIT_LOCKED_ENTITY_NOT_ALLOWED);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(
+        String.format(SUBMIT_LOCKED_ENTITY_NOT_ALLOWED_MSG, entityType, entityId, lockingUser));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnEntityLockedByOtherErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnEntityLockedByOtherErrorBuilder.java
new file mode 100644
index 0000000000..5e2be13d61
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnEntityLockedByOtherErrorBuilder.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import static org.openecomp.sdc.versioning.errors.VersioningErrorCodes
+    .UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+/**
+ * The type Undo checkout on entity locked by other error builder.
+ */
+public class UndoCheckoutOnEntityLockedByOtherErrorBuilder extends BaseErrorBuilder {
+
+  private static final String UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG =
+      "Can not undo checkout on versionable entity %s with id %s since it is checked out by "
+          + "other user: %s.";
+
+  /**
+   * Instantiates a new Undo checkout on entity locked by other error builder.
+   *
+   * @param entityType  the entity type
+   * @param entityId    the entity id
+   * @param lockingUser the locking user
+   */
+  public UndoCheckoutOnEntityLockedByOtherErrorBuilder(String entityType, String entityId,
+                                                       String lockingUser) {
+    getErrorCodeBuilder().withId(UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(String
+        .format(UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER_MSG, entityType, entityId,
+            lockingUser));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnUnlockedEntityErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnUnlockedEntityErrorBuilder.java
new file mode 100644
index 0000000000..36ca5b5c41
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/UndoCheckoutOnUnlockedEntityErrorBuilder.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import static org.openecomp.sdc.versioning.errors.VersioningErrorCodes
+    .UNDO_CHECKOUT_ON_UNLOCKED_ENTITY;
+
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+
+
+/**
+ * The type Undo checkout on unlocked entity error builder.
+ */
+public class UndoCheckoutOnUnlockedEntityErrorBuilder extends BaseErrorBuilder {
+
+  private static final String UNDO_CHECKOUT_ON_UNLOCKED_ENTITY_MSG =
+      "Can not undo checkout on versionable entity %s with id %s since it is not checked out.";
+
+  /**
+   * Instantiates a new Undo checkout on unlocked entity error builder.
+   *
+   * @param entityType the entity type
+   * @param entityId   the entity id
+   */
+  public UndoCheckoutOnUnlockedEntityErrorBuilder(String entityType, String entityId) {
+    getErrorCodeBuilder().withId(UNDO_CHECKOUT_ON_UNLOCKED_ENTITY);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder()
+        .withMessage(String.format(UNDO_CHECKOUT_ON_UNLOCKED_ENTITY_MSG, entityType, entityId));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersionableSubEntityNotFoundErrorBuilder.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersionableSubEntityNotFoundErrorBuilder.java
new file mode 100644
index 0000000000..77be83f427
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersionableSubEntityNotFoundErrorBuilder.java
@@ -0,0 +1,77 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+import org.openecomp.core.utilities.CommonMethods;
+import org.openecomp.sdc.common.errors.BaseErrorBuilder;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.versioning.dao.types.Version;
+
+import java.util.List;
+
+/**
+ * The type Versionable sub entity not found error builder.
+ */
+public class VersionableSubEntityNotFoundErrorBuilder extends BaseErrorBuilder {
+
+  private static final String SUB_ENTITY_NOT_FOUND_MSG =
+      "%s with Id %s does not exist for %s with id %s and version %s";
+  private static final String SUB_ENTITIES_NOT_FOUND_MSG =
+      "%ss with Ids %s do not exist for %s with id %s and version %s";
+
+  /**
+   * Instantiates a new Versionable sub entity not found error builder.
+   *
+   * @param entityType           the entity type
+   * @param entityId             the entity id
+   * @param containingEntityType the containing entity type
+   * @param containingEntityId   the containing entity id
+   * @param version              the version
+   */
+  public VersionableSubEntityNotFoundErrorBuilder(String entityType, String entityId,
+                                                  String containingEntityType,
+                                                  String containingEntityId, Version version) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(String
+        .format(SUB_ENTITY_NOT_FOUND_MSG, entityType, entityId, containingEntityType,
+            containingEntityId, version.toString()));
+  }
+
+  /**
+   * Instantiates a new Versionable sub entity not found error builder.
+   *
+   * @param entityType           the entity type
+   * @param entityIds            the entity ids
+   * @param containingEntityType the containing entity type
+   * @param containingEntityId   the containing entity id
+   * @param version              the version
+   */
+  public VersionableSubEntityNotFoundErrorBuilder(String entityType, List<String> entityIds,
+                                                  String containingEntityType,
+                                                  String containingEntityId, Version version) {
+    getErrorCodeBuilder().withId(VersioningErrorCodes.VERSIONABLE_SUB_ENTITY_NOT_FOUND);
+    getErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION);
+    getErrorCodeBuilder().withMessage(String.format(SUB_ENTITIES_NOT_FOUND_MSG, entityType,
+        CommonMethods.listToSeparatedString(entityIds, ','), containingEntityType,
+        containingEntityId, version.toString()));
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersioningErrorCodes.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersioningErrorCodes.java
new file mode 100644
index 0000000000..c1c6b96bfd
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/errors/VersioningErrorCodes.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.errors;
+
+public class VersioningErrorCodes {
+
+  public static final String REQUESTED_VERSION_INVALID = "REQUESTED_VERSION_INVALID";
+  public static final String CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER =
+      "CHECKIN_ON_ENTITY_LOCKED_BY_OTHER_USER";
+  public static final String CHECKIN_ON_UNLOCKED_ENTITY = "CHECKIN_ON_UNLOCKED_ENTITY";
+  public static final String CHECKOT_ON_LOCKED_ENTITY = "CHECKOT_ON_LOCKED_ENTITY";
+  public static final String DELETE_ON_LOCKED_ENTITY = "DELETE_ON_LOCKED_ENTITY";
+  public static final String EDIT_ON_ENTITY_LOCKED_BY_OTHER_USER =
+      "EDIT_ON_ENTITY_LOCKED_BY_OTHER_USER";
+  public static final String EDIT_ON_UNLOCKED_ENTITY = "EDIT_ON_UNLOCKED_ENTITY";
+  public static final String VERSIONABLE_ENTITY_ALREADY_EXIST = "VERSIONABLE_ENTITY_ALREADY_EXIST";
+  public static final String SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED =
+      "SUBMIT_FINALIZED_ENTITY_NOT_ALLOWED";
+  public static final String VERSIONABLE_ENTITY_NOT_EXIST = "VERSIONABLE_ENTITY_NOT_EXIST";
+  public static final String VERSIONABLE_SUB_ENTITY_NOT_FOUND = "VERSIONABLE_SUB_ENTITY_NOT_FOUND";
+  public static final String SUBMIT_LOCKED_ENTITY_NOT_ALLOWED = "SUBMIT_LOCKED_ENTITY_NOT_ALLOWED";
+  public static final String UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER =
+      "UNDO_CHECKOUT_ON_ENTITY_LOCKED_BY_OTHER_USER";
+  public static final String UNDO_CHECKOUT_ON_UNLOCKED_ENTITY = "UNDO_CHECKOUT_ON_UNLOCKED_ENTITY";
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/UniqueValueMetadata.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/UniqueValueMetadata.java
new file mode 100644
index 0000000000..21d42299fa
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/UniqueValueMetadata.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.types;
+
+import java.util.List;
+
+public class UniqueValueMetadata {
+  private String type;
+  private List<String> uniqueConstraintIdentifiers;
+
+  public UniqueValueMetadata(String type, List<String> contextIdentifierNames) {
+    this.type = type;
+    this.uniqueConstraintIdentifiers = contextIdentifierNames;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(String type) {
+    this.type = type;
+  }
+
+  public List<String> getUniqueConstraintIdentifiers() {
+    return uniqueConstraintIdentifiers;
+  }
+
+  public void setUniqueConstraintIdentifiers(List<String> uniqueConstraintIdentifiers) {
+    this.uniqueConstraintIdentifiers = uniqueConstraintIdentifiers;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionInfo.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionInfo.java
new file mode 100644
index 0000000000..02b5aaa3bd
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionInfo.java
@@ -0,0 +1,97 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.types;
+
+import org.openecomp.sdc.versioning.dao.types.Version;
+import org.openecomp.sdc.versioning.dao.types.VersionStatus;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class VersionInfo {
+  private Version activeVersion;
+  private Version latestFinalVersion;
+  private List<Version> viewableVersions = new ArrayList<>();
+  private List<Version> finalVersions = new ArrayList<>();
+  private VersionStatus status;
+  private String lockingUser;
+
+  public Version getActiveVersion() {
+    return activeVersion;
+  }
+
+  public void setActiveVersion(Version activeVersion) {
+    this.activeVersion = activeVersion;
+  }
+
+  public Version getLatestFinalVersion() {
+    return latestFinalVersion;
+  }
+
+  public void setLatestFinalVersion(Version latestFinalVersion) {
+    this.latestFinalVersion = latestFinalVersion;
+  }
+
+  public List<Version> getViewableVersions() {
+    return viewableVersions;
+  }
+
+  public void setViewableVersions(List<Version> viewableVersions) {
+    this.viewableVersions = viewableVersions;
+  }
+
+  public List<Version> getFinalVersions() {
+    return finalVersions;
+  }
+
+  public void setFinalVersions(List<Version> finalVersions) {
+    this.finalVersions = finalVersions;
+  }
+
+  public VersionStatus getStatus() {
+    return status;
+  }
+
+  public void setStatus(VersionStatus status) {
+    this.status = status;
+  }
+
+  public String getLockingUser() {
+    return lockingUser;
+  }
+
+  public void setLockingUser(String lockingUser) {
+    this.lockingUser = lockingUser;
+  }
+
+  @Override
+  public String toString() {
+    final StringBuilder sb = new StringBuilder("VersionInfo{");
+    sb.append("activeVersion=").append(activeVersion);
+    sb.append(", latestFinalVersion=").append(latestFinalVersion);
+    sb.append(", viewableVersions=").append(viewableVersions);
+    sb.append(", finalVersions=").append(finalVersions);
+    sb.append(", status=").append(status);
+    sb.append(", lockingUser='").append(lockingUser).append('\'');
+    sb.append('}');
+    return sb.toString();
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityAction.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityAction.java
new file mode 100644
index 0000000000..c7413858e5
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityAction.java
@@ -0,0 +1,26 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.types;
+
+public enum VersionableEntityAction {
+  Read,
+  Write
+}
diff --git a/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityMetadata.java b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityMetadata.java
new file mode 100644
index 0000000000..161221abe3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-versioning-lib/openecomp-sdc-versioning-api/src/main/java/org/openecomp/sdc/versioning/types/VersionableEntityMetadata.java
@@ -0,0 +1,78 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.versioning.types;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class VersionableEntityMetadata {
+
+  private String name;
+  private String identifierName;
+  private String versionIdentifierName;
+  private List<UniqueValueMetadata> uniqueValuesMetadata = new ArrayList<>();
+
+  /**
+   * Instantiates a new Versionable entity metadata.
+   *
+   * @param name                  the name
+   * @param identifierName        the identifier name
+   * @param versionIdentifierName the version identifier name
+   */
+  public VersionableEntityMetadata(String name, String identifierName,
+                                   String versionIdentifierName) {
+    this.name = name;
+    this.identifierName = identifierName;
+    this.versionIdentifierName = versionIdentifierName;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public String getIdentifierName() {
+    return identifierName;
+  }
+
+  public void setIdentifierName(String idColumnName) {
+    this.identifierName = idColumnName;
+  }
+
+  public String getVersionIdentifierName() {
+    return versionIdentifierName;
+  }
+
+  public void setVersionIdentifierName(String versionColumnName) {
+    this.versionIdentifierName = versionColumnName;
+  }
+
+  public List<UniqueValueMetadata> getUniqueValuesMetadata() {
+    return uniqueValuesMetadata;
+  }
+
+  public void setUniqueValuesMetadata(List<UniqueValueMetadata> uniqueValuesMetadata) {
+    this.uniqueValuesMetadata = uniqueValuesMetadata;
+  }
+}