diff options
Diffstat (limited to 'ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TransactionalGraphEngine.java')
| -rw-r--r-- | ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TransactionalGraphEngine.java | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TransactionalGraphEngine.java b/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TransactionalGraphEngine.java new file mode 100644 index 0000000..9ebd23a --- /dev/null +++ b/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TransactionalGraphEngine.java @@ -0,0 +1,166 @@ +/*- + * ============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.serialization.engines; + +import java.util.List; +import java.util.concurrent.atomic.AtomicInteger; + +import org.apache.tinkerpop.gremlin.structure.Graph; +import org.apache.tinkerpop.gremlin.structure.Vertex; +import org.openecomp.aai.introspection.Loader; +import org.openecomp.aai.query.builder.GremlinTraversal; +import org.openecomp.aai.query.builder.GremlinUnique; +import org.openecomp.aai.query.builder.QueryBuilder; +import org.openecomp.aai.query.builder.TraversalQuery; +import org.openecomp.aai.serialization.db.GraphSingleton; +import org.openecomp.aai.serialization.engines.query.GraphTraversalQueryEngine; +import org.openecomp.aai.serialization.engines.query.QueryEngine; + +import com.thinkaurelius.titan.core.TitanGraph; + +public abstract class TransactionalGraphEngine { + + protected Graph graph = null; + protected GraphSingleton singleton = null; + protected QueryEngine queryEngine = null; + protected QueryBuilder queryBuilder = null; + protected QueryStyle style = null; + protected Loader loader = null; + + /** + * Instantiates a new transactional graph engine. + * + * @param style the style + * @param loader the loader + */ + public TransactionalGraphEngine (QueryStyle style, Loader loader) { + this.loader = loader; + this.style = style; + if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) { + //this.queryEngine = new GremlinQueryEngine(this); + } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) { + //this.queryEngine = new GremlinQueryEngine(this); + } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) { + //this.queryEngine = new GremlinPipelineQueryEngine(this); + } else if (style.equals(QueryStyle.TRAVERSAL)) { + this.queryEngine = new GraphTraversalQueryEngine(this); + } else { + throw new IllegalArgumentException("Query Engine type not recognized"); + } + } + + + /** + * Sets the list property. + * + * @param v the v + * @param name the name + * @param obj the obj + * @return true, if successful + */ + public abstract boolean setListProperty(Vertex v, String name, List<?> obj); + + /** + * Gets the list property. + * + * @param v the v + * @param name the name + * @return the list property + */ + public abstract List getListProperty(Vertex v, String name); + + /** + * Gets the graph. + * + * @return the graph + */ + public TitanGraph getGraph() { + return singleton.getTxGraph(); + } + + /** + * Gets the count. + * + * @return the count + */ + public AtomicInteger getCount() { + return singleton.getCount(); + } + + /** + * Should shutdown. + * + * @return true, if successful + */ + public boolean shouldShutdown() { + return false; + } + + /** + * Gets the query engine. + * + * @return the query engine + */ + public QueryEngine getQueryEngine() { + return this.queryEngine; + } + + /** + * Gets the query builder. + * + * @return the query builder + */ + public QueryBuilder getQueryBuilder() { + if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) { + return new GremlinTraversal(loader); + } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) { + return new GremlinUnique(loader); + } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) { + //return new GremlinPipelineTraversal(loader); + } else if (style.equals(QueryStyle.TRAVERSAL)) { + return new TraversalQuery(loader); + } else { + throw new IllegalArgumentException("Query Builder type not recognized"); + } + return queryBuilder; + } + + /** + * Gets the query builder. + * + * @param start the start + * @return the query builder + */ + public QueryBuilder getQueryBuilder(Vertex start) { + if (style.equals(QueryStyle.GREMLIN_TRAVERSAL)) { + return new GremlinTraversal(loader,start); + } else if (style.equals(QueryStyle.GREMLIN_UNIQUE)) { + return new GremlinUnique(loader,start); + } else if (style.equals(QueryStyle.GREMLINPIPELINE_TRAVERSAL)) { + //return new GremlinPipelineTraversal(loader,start); + } else if (style.equals(QueryStyle.TRAVERSAL)) { + return new TraversalQuery(loader, start); + } else { + throw new IllegalArgumentException("Query Builder type not recognized"); + } + return queryBuilder; + } +} |