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authorVenkata Harish K Kajur <vk250x@att.com>2017-08-16 08:51:43 -0400
committerVenkata Harish K Kajur <vk250x@att.com>2017-08-16 08:51:48 -0400
commit161147bd76f0c1b07227a6c37177e5d2add6e23b (patch)
treee8b4a60ff35d6a71209bf76b4b957c4f7a1f3d17
parentbba5cd33bd251ca52bdf623e999943ee5cb23c88 (diff)
[AAI-177 Amsterdam] Remove edge migrator from list
Change-Id: I2dc3a9ae57e41a6258468536e2598e64471e144a Signed-off-by: Venkata Harish K Kajur <vk250x@att.com>
-rw-r--r--aai-resources/src/main/java/org/openecomp/aai/migration/EdgeMigrator.java162
-rw-r--r--aai-resources/src/main/java/org/openecomp/aai/migration/MigrationControllerInternal.java6
2 files changed, 168 insertions, 0 deletions
diff --git a/aai-resources/src/main/java/org/openecomp/aai/migration/EdgeMigrator.java b/aai-resources/src/main/java/org/openecomp/aai/migration/EdgeMigrator.java
new file mode 100644
index 0000000..dccee23
--- /dev/null
+++ b/aai-resources/src/main/java/org/openecomp/aai/migration/EdgeMigrator.java
@@ -0,0 +1,162 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * 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.aai.migration;
+
+import java.util.Map;
+import java.util.List;
+import java.util.ArrayList;
+import org.javatuples.Pair;
+
+import org.apache.tinkerpop.gremlin.structure.Edge;
+import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
+import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.openecomp.aai.db.props.AAIProperties;
+import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
+import org.openecomp.aai.serialization.db.EdgeRule;
+import org.openecomp.aai.serialization.db.EdgeRules;
+
+/**
+ * A migration template for migrating all edge properties between "from" and "to" node from the DbedgeRules.json
+ *
+ */
+public abstract class EdgeMigrator extends Migrator {
+
+ private boolean success = true;
+ private EdgeRules rules;
+
+ public EdgeMigrator() {
+ // used for not great reflection implementation
+ super();
+ }
+
+ public EdgeMigrator(TransactionalGraphEngine engine) {
+ super(engine);
+ rules = EdgeRules.getInstance();
+ }
+
+ public EdgeMigrator(TransactionalGraphEngine engine, List<Pair<String, String>> nodePairList) {
+ super(engine);
+ rules = EdgeRules.getInstance();
+ }
+
+
+ /**
+ * Do not override this method as an inheritor of this class
+ */
+ @Override
+ public void run() {
+
+ executeModifyOperation();
+
+ }
+
+ /**
+ * This is where inheritors should add their logic
+ */
+ protected void executeModifyOperation() {
+
+ changeEdgeProperties();
+
+ }
+
+ protected void changeEdgeLabels() {
+ //TODO: when json file has edge label as well as edge property changes
+ }
+
+
+
+ protected void changeEdgeProperties() {
+ try {
+ List<Pair<String, String>> nodePairList = this.getAffectedNodePairTypes();
+ for (Pair<String, String> nodePair : nodePairList) {
+
+ String NODE_A = nodePair.getValue0();
+ String NODE_B = nodePair.getValue1();
+ Map<String, EdgeRule> result = rules.getEdgeRules(NODE_A, NODE_B);
+
+ GraphTraversal<Vertex, Vertex> g = this.engine.asAdmin().getTraversalSource().V();
+ /*
+ * Find Out-Edges from Node A to Node B and change them
+ * Also Find Out-Edges from Node B to Node A and change them
+ */
+ g.union(__.has(AAIProperties.NODE_TYPE, NODE_A).outE().where(__.inV().has(AAIProperties.NODE_TYPE, NODE_B)),
+ __.has(AAIProperties.NODE_TYPE, NODE_B).outE().where(__.inV().has(AAIProperties.NODE_TYPE, NODE_A)))
+ .sideEffect(t -> {
+ Edge e = t.get();
+ try {
+ Vertex out = e.outVertex();
+ Vertex in = e.inVertex();
+ if (out == null || in == null) {
+ logger.error(
+ e.id() + " invalid because one vertex was null: out=" + out + " in=" + in);
+ } else {
+ if (result.containsKey(e.label())) {
+ EdgeRule rule = result.get(e.label());
+ e.properties().forEachRemaining(prop -> prop.remove());
+ rules.addProperties(e, rule);
+ } else {
+ logger.info("found vertices connected by unkwown label: out=" + out + " label="
+ + e.label() + " in=" + in);
+ }
+ }
+ } catch (Exception e1) {
+ throw new RuntimeException(e1);
+ }
+ }).iterate();
+ }
+
+ } catch (Exception e) {
+ logger.error("error encountered", e);
+ success = false;
+ }
+ }
+
+ @Override
+ public Status getStatus() {
+ if (success) {
+ return Status.SUCCESS;
+ } else {
+ return Status.FAILURE;
+ }
+ }
+
+ @Override
+ public int getPriority() {
+ return 0;
+ }
+
+ /*
+ * Higher danger rating of 10 only for all edge property changes
+ * or when a quorum of edges change which can be overridden by inheritors
+ */
+ @Override
+ public int getDangerRating() {
+ return 1;
+ }
+
+ /**
+ * List of node pairs("from" and "to"), you would like EdgeMigrator to migrate from json files
+ * @return
+ */
+ public abstract List<Pair<String, String>> getAffectedNodePairTypes() ;
+
+}
diff --git a/aai-resources/src/main/java/org/openecomp/aai/migration/MigrationControllerInternal.java b/aai-resources/src/main/java/org/openecomp/aai/migration/MigrationControllerInternal.java
index 875d7cb..be9b68d 100644
--- a/aai-resources/src/main/java/org/openecomp/aai/migration/MigrationControllerInternal.java
+++ b/aai-resources/src/main/java/org/openecomp/aai/migration/MigrationControllerInternal.java
@@ -227,7 +227,13 @@ public class MigrationControllerInternal {
}
private Set<Class<? extends Migrator>> findClasses(Reflections reflections) {
Set<Class<? extends Migrator>> migratorClasses = reflections.getSubTypesOf(Migrator.class);
+ /*
+ * TODO- Change this to make sure only classes in the specific $release are added in the runList
+ * Or add a annotation like exclude which folks again need to remember to add ??
+ */
+
migratorClasses.remove(PropertyMigrator.class);
+ migratorClasses.remove(EdgeMigrator.class);
return migratorClasses;
}