2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
11 http://www.apache.org/licenses/LICENSE-2.0
13 Unless required by applicable law or agreed to in writing, software
14 distributed under the License is distributed on an "AS IS" BASIS,
15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 See the License for the specific language governing permissions and
17 limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.aai.serialization.engines;
23 import java.util.ArrayList;
24 import java.util.Iterator;
25 import java.util.List;
27 import org.apache.tinkerpop.gremlin.structure.Vertex;
28 import org.apache.tinkerpop.gremlin.structure.VertexProperty;
30 import org.openecomp.aai.dbmap.DBConnectionType;
31 import org.openecomp.aai.introspection.Loader;
32 import org.openecomp.aai.serialization.db.TitanGraphSingleton;
33 import com.thinkaurelius.titan.core.TitanVertex;
35 public class TitanDBEngine extends TransactionalGraphEngine {
38 * Instantiates a new titan DB engine.
40 * @param style the style
41 * @param loader the loader
43 public TitanDBEngine(QueryStyle style, DBConnectionType connectionType, Loader loader) {
44 super(style, loader, connectionType, TitanGraphSingleton.getInstance());
48 * Instantiates a new titan DB engine.
50 * @param style the style
51 * @param loader the loader
52 * @param connect the connect
54 public TitanDBEngine(QueryStyle style, Loader loader, boolean connect) {
57 this.singleton = TitanGraphSingleton.getInstance();
65 public boolean setListProperty(Vertex v, String name, List<?> objs) {
67 //clear out list full replace style
69 Iterator<VertexProperty<Object>> iterator = v.properties(name);
70 while (iterator.hasNext()) {
71 iterator.next().remove();
74 for (Object obj : objs) {
75 v.property(name, obj);
85 public List<Object> getListProperty(Vertex v, String name) {
87 List<Object> result = new ArrayList<Object>();
89 Iterator<VertexProperty<Object>> iterator = v.properties(name);
91 while (iterator.hasNext()) {
92 result.add(iterator.next().value());
95 if (result.size() == 0) {