Add collaboration feature

Issue-ID: SDC-767
Change-Id: I14fb4c1f54086ed03a56a7ff7fab9ecd40381795
Signed-off-by: talig <talig@amdocs.com>

6 files changed, 234 insertions, 0 deletions

diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/pom.xml b/openecomp-be/backend/openecomp-sdc-conflict-manager/pom.xml
new file mode 100644
index 0000000000..4fa58b2028
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/pom.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.openecomp.sdc</groupId>
+        <artifactId>backend</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>openecomp-sdc-conflict-manager</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openecomp.sdc.core</groupId>
+            <artifactId>openecomp-facade-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openecomp.sdc</groupId>
+            <artifactId>openecomp-conflict-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openecomp.sdc</groupId>
+            <artifactId>openecomp-conflict-core</artifactId>
+            <version>${project.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManager.java b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManager.java
new file mode 100644
index 0000000000..d7c5c3f5ba
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManager.java
@@ -0,0 +1,20 @@
+package org.openecomp.sdc.conflicts;
+
+import org.openecomp.conflicts.types.Conflict;
+import org.openecomp.conflicts.types.ConflictResolution;
+import org.openecomp.conflicts.types.ItemVersionConflict;
+import org.openecomp.sdc.versioning.dao.types.Version;
+
+public interface ConflictsManager {
+
+  boolean isConflicted(String itemId, Version version);
+
+  ItemVersionConflict getConflict(String itemId, Version version);
+
+  void finalizeMerge(String itemId, Version version);
+
+  Conflict getConflict(String itemId, Version version, String conflictId);
+
+  void resolveConflict(String itemId, Version version, String conflictId,
+                       ConflictResolution resolution);
+}
diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManagerFactory.java b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManagerFactory.java
new file mode 100644
index 0000000000..7a24cfd311
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/ConflictsManagerFactory.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.conflicts;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+
+
+public abstract class ConflictsManagerFactory extends AbstractComponentFactory<ConflictsManager> {
+    public static ConflictsManagerFactory getInstance() {
+        return AbstractFactory.getInstance(ConflictsManagerFactory.class);
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerFactoryImpl.java b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerFactoryImpl.java
new file mode 100644
index 0000000000..2d703c4a87
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerFactoryImpl.java
@@ -0,0 +1,35 @@
+/*-
+ * ============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.conflicts.impl;
+
+
+import org.openecomp.conflicts.dao.ConflictsDaoFactory;
+import org.openecomp.sdc.conflicts.ConflictsManager;
+import org.openecomp.sdc.conflicts.ConflictsManagerFactory;
+
+public class ConflictsManagerFactoryImpl extends ConflictsManagerFactory {
+  private static final ConflictsManager INSTANCE =
+      new ConflictsManagerImpl(ConflictsDaoFactory.getInstance().createInterface());
+
+  @Override
+  public ConflictsManager createInterface() {
+    return INSTANCE;
+  }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerImpl.java b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerImpl.java
new file mode 100644
index 0000000000..cb4c2dd993
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/java/org/openecomp/sdc/conflicts/impl/ConflictsManagerImpl.java
@@ -0,0 +1,112 @@
+package org.openecomp.sdc.conflicts.impl;
+
+import org.openecomp.conflicts.ItemMergeHandler;
+import org.openecomp.conflicts.ItemMergeHandlerFactory;
+import org.openecomp.conflicts.dao.ConflictsDao;
+import org.openecomp.conflicts.types.Conflict;
+import org.openecomp.conflicts.types.ConflictResolution;
+import org.openecomp.conflicts.types.ItemVersionConflict;
+import org.openecomp.conflicts.types.Resolution;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.conflicts.ConflictsManager;
+import org.openecomp.sdc.versioning.dao.types.Version;
+
+import java.util.Optional;
+
+public class ConflictsManagerImpl implements ConflictsManager {
+
+  private static final String ELEMENT_CONFLICT_NOT_EXIST_ERR_ID = "ELEMENT_CONFLICT_NOT_EXIST";
+  private static final String ELEMENT_CONFLICT_NOT_EXISTS_MSG =
+      "Item Id %s, version Id %s, element conflict with Id %s does not exists.";
+
+  private final ConflictsDao conflictsDao;
+
+  public ConflictsManagerImpl(ConflictsDao conflictsDao) {
+    this.conflictsDao = conflictsDao;
+  }
+
+  @Override
+  public boolean isConflicted(String itemId, Version version) {
+    Optional<ItemMergeHandler> itemMergeHandler =
+        ItemMergeHandlerFactory.getInstance().createInterface(itemId);
+
+    return conflictsDao.isConflicted(itemId, version) ||
+        (itemMergeHandler.isPresent() &&
+            itemMergeHandler.get().isConflicted(itemId, version));
+  }
+
+  @Override
+  public ItemVersionConflict getConflict(String itemId, Version version) {
+    ItemVersionConflict conflicts = conflictsDao.getConflict(itemId, version);
+
+    ItemMergeHandlerFactory.getInstance().createInterface(itemId)
+        .ifPresent(itemMergeHandler -> itemMergeHandler
+            .postListConflicts(itemId, version, conflicts));
+
+    return conflicts;
+  }
+
+  @Override
+  public void finalizeMerge(String itemId, Version version) {
+    ItemMergeHandlerFactory.getInstance().createInterface(itemId)
+        .ifPresent(mergeHandler -> mergeHandler.finalizeMerge(itemId, version));
+  }
+
+  @Override
+  public Conflict getConflict(String itemId, Version version, String conflictId) {
+    Optional<ItemMergeHandler> itemMergeHandler =
+        ItemMergeHandlerFactory.getInstance().createInterface(itemId);
+    if (itemMergeHandler.isPresent()) {
+      Optional<Conflict> conflict =
+          itemMergeHandler.get().getConflict(itemId, version, conflictId);
+      if (conflict.isPresent()) {
+        return conflict.get();
+      }
+    }
+
+    Conflict conflict = conflictsDao.getConflict(itemId, version, conflictId);
+
+    itemMergeHandler.ifPresent(mergeHandler ->
+        mergeHandler.postGetConflict(itemId, version, conflict));
+
+    if (conflict == null) {
+      throw getConflictNotExistException(itemId, version, conflictId);
+    }
+    return conflict;
+  }
+
+  @Override
+  public void resolveConflict(String itemId, Version version, String conflictId,
+                              ConflictResolution resolution) {
+    if (Resolution.OTHER.equals(resolution.getResolution())) {
+      throw new UnsupportedOperationException(
+          "Resolution other than 'THEIRS' or 'YOURS' is not supported.");
+    }
+
+    Optional<ItemMergeHandler> itemMergeHandler =
+        ItemMergeHandlerFactory.getInstance().createInterface(itemId);
+    if (!itemMergeHandler.isPresent() ||
+        !itemMergeHandler.get()
+            .resolveConflict(itemId, version, conflictId, resolution)) {
+
+      getConflict(itemId, version, conflictId); // validate that the conflict exist
+      itemMergeHandler.ifPresent(mergeHandler ->
+          mergeHandler.preResolveConflict(itemId, version, conflictId, resolution));
+
+      conflictsDao.resolveConflict(itemId, version, conflictId, resolution);
+    }
+  }
+
+  private CoreException getConflictNotExistException(String itemId, Version version,
+                                                     String conflictId) {
+    return new CoreException(new ErrorCode.ErrorCodeBuilder()
+        .withCategory(ErrorCategory.APPLICATION)
+        .withId(ELEMENT_CONFLICT_NOT_EXIST_ERR_ID)
+        .withMessage(
+            String.format(ELEMENT_CONFLICT_NOT_EXISTS_MSG, itemId, version.getId(), conflictId))
+        .build());
+  }
+
+}
diff --git a/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/resources/factoryConfiguration.json b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/resources/factoryConfiguration.json
new file mode 100644
index 0000000000..58e57ab2fa
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-conflict-manager/src/main/resources/factoryConfiguration.json
@@ -0,0 +1,3 @@
+{
+  "org.openecomp.sdc.conflicts.ConflictsManagerFactory": "org.openecomp.sdc.conflicts.impl.ConflictsManagerFactoryImpl"
+}
\ No newline at end of file