diff options
Diffstat (limited to 'ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TitanDBEngine.java')
-rw-r--r-- | ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TitanDBEngine.java | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TitanDBEngine.java b/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TitanDBEngine.java new file mode 100644 index 0000000..fd01f84 --- /dev/null +++ b/ajsc-aai/src/main/java/org/openecomp/aai/serialization/engines/TitanDBEngine.java @@ -0,0 +1,107 @@ +/*- + * ============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.ArrayList; +import java.util.Iterator; +import java.util.List; + +import com.thinkaurelius.titan.core.Cardinality; +import com.thinkaurelius.titan.core.TitanProperty; +import com.thinkaurelius.titan.core.TitanVertex; +import org.apache.tinkerpop.gremlin.structure.Vertex; +import org.apache.tinkerpop.gremlin.structure.VertexProperty; +import org.openecomp.aai.introspection.Loader; +import org.openecomp.aai.logging.LogLineBuilder; +import org.openecomp.aai.serialization.db.TitanGraphSingleton; + +public class TitanDBEngine extends TransactionalGraphEngine { + + /** + * Instantiates a new titan DB engine. + * + * @param style the style + * @param loader the loader + */ + public TitanDBEngine(QueryStyle style, Loader loader) { + super(style, loader); + this.singleton = TitanGraphSingleton.getInstance(); + this.graph = singleton.getTxGraph(); + } + + /** + * Instantiates a new titan DB engine. + * + * @param style the style + * @param loader the loader + * @param connect the connect + */ + public TitanDBEngine(QueryStyle style, Loader loader, boolean connect) { + super(style, loader); + if (connect) { + this.singleton = TitanGraphSingleton.getInstance(); + this.graph = singleton.getTxGraph(); + } + } + + /** + * {@inheritDoc} + */ + @Override + public boolean setListProperty(Vertex v, String name, List<?> objs) { + + //clear out list full replace style + + Iterator<VertexProperty<Object>> iterator = ((TitanVertex)v).properties(name); + while (iterator.hasNext()) { + iterator.next().remove(); + } + if (objs != null) { + for (Object obj : objs) { + v.property(name, obj); + } + } + return true; + } + + /** + * {@inheritDoc} + */ + @Override + public List getListProperty(Vertex v, String name) { + + List result = new ArrayList(); + + Iterator<VertexProperty<Object>> iterator = ((TitanVertex)v).properties(name); + + while (iterator.hasNext()) { + result.add(iterator.next().value()); + } + + if (result.size() == 0) { + result = null; + } + + return result; + + } + +} |