1 files changed, 63 insertions, 0 deletions
diff --git a/aai-core/src/main/java/org/onap/aai/serialization/queryformats/GraphSON.java b/aai-core/src/main/java/org/onap/aai/serialization/queryformats/GraphSON.java
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+++ b/aai-core/src/main/java/org/onap/aai/serialization/queryformats/GraphSON.java
@@ -0,0 +1,63 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 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=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.serialization.queryformats;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.thinkaurelius.titan.graphdb.tinkerpop.TitanIoRegistry;
+import org.apache.tinkerpop.gremlin.structure.Direction;
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONMapper;
+import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class GraphSON implements FormatMapper {
+
+	private final GraphSONMapper mapper = GraphSONMapper.build().addRegistry(TitanIoRegistry.INSTANCE).create();
+	private final GraphSONWriter writer = GraphSONWriter.build().mapper(mapper).create();
+	protected JsonParser parser = new JsonParser();
+	
+	@Override
+	public JsonObject formatObject(Object v) {
+		OutputStream os = new ByteArrayOutputStream();
+		String result = "";
+		try {
+			writer.writeVertex(os, (Vertex)v, Direction.BOTH);
+			
+			result = os.toString();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+		return parser.parse(result).getAsJsonObject();
+		
+	}
+	
+	@Override
+	public int parallelThreshold() {
+		return 50;
+	}
+}