Update from titan to using janusgraph

Issue-ID: AAI-949
Change-Id: I70029806d3c96f7732778d27a8c7ff75dc5059de
Signed-off-by: Kajur, Harish (vk250x) <vk250x@att.com>

17 files changed, 589 insertions, 60 deletions

diff --git a/aai-core/src/test/java/org/onap/aai/dbmap/AAIGraphTest.java b/aai-core/src/test/java/org/onap/aai/dbmap/AAIGraphTest.java
index 4c472ccc..fbff5d06 100644
--- a/aai-core/src/test/java/org/onap/aai/dbmap/AAIGraphTest.java
+++ b/aai-core/src/test/java/org/onap/aai/dbmap/AAIGraphTest.java
@@ -19,9 +19,9 @@
  */
 package org.onap.aai.dbmap;
 
-import com.thinkaurelius.titan.core.TitanFactory;
-import com.thinkaurelius.titan.core.TitanGraph;
-import com.thinkaurelius.titan.core.schema.TitanManagement;
+import org.janusgraph.core.JanusGraphFactory;
+import org.janusgraph.core.JanusGraph;
+import org.janusgraph.core.schema.JanusGraphManagement;
 import org.hamcrest.CoreMatchers;
 import org.junit.*;
 import org.onap.aai.AAISetup;
@@ -44,7 +44,7 @@ public class AAIGraphTest extends AAISetup{
 	@Test
 	public void getRealtimeInstanceConnectionName() throws Exception {
 
-		TitanManagement graphMgt = AAIGraph.getInstance().getGraph().openManagement();
+		JanusGraphManagement graphMgt = AAIGraph.getInstance().getGraph().openManagement();
 		String connectionInstanceName = graphMgt.getOpenInstances().stream().filter(c -> c.contains("current")).findFirst().get();
 		assertThat(connectionInstanceName, containsString(SERVICE_NAME));
 		assertThat(connectionInstanceName, containsString("realtime"));
@@ -55,7 +55,7 @@ public class AAIGraphTest extends AAISetup{
 	@Test
 	public void getCachedInstanceConnectionName() throws Exception {
 
-		TitanManagement graphMgt = AAIGraph.getInstance().getGraph(DBConnectionType.CACHED).openManagement();
+		JanusGraphManagement graphMgt = AAIGraph.getInstance().getGraph(DBConnectionType.CACHED).openManagement();
 		String connectionInstanceName = graphMgt.getOpenInstances().stream().filter(c -> c.contains("current")).findFirst().get();
 		assertThat(connectionInstanceName, containsString(SERVICE_NAME));
 		assertThat(connectionInstanceName, containsString("cached"));
@@ -64,9 +64,9 @@ public class AAIGraphTest extends AAISetup{
 	}
 
 	@Test
-	public void titanGraphOpenNameTest() throws Exception{
-		TitanGraph graph = TitanFactory.open(new AAIGraphConfig.Builder(AAIConstants.REALTIME_DB_CONFIG).forService(SERVICE_NAME).withGraphType("graphType").buildConfiguration());
-		TitanManagement graphMgt = graph.openManagement();
+	public void JanusGraphOpenNameTest() throws Exception{
+		JanusGraph graph = JanusGraphFactory.open(new AAIGraphConfig.Builder(AAIConstants.REALTIME_DB_CONFIG).forService(SERVICE_NAME).withGraphType("graphType").buildConfiguration());
+		JanusGraphManagement graphMgt = graph.openManagement();
 		String connectionInstanceName = graphMgt.getOpenInstances().stream().filter(c -> c.contains("current")).findFirst().get();
 		assertThat(connectionInstanceName,matchesPattern("^\\d+_[\\w\\-\\d]+_" + SERVICE_NAME + "_graphType_\\d+\\(current\\)$"));
 		graphMgt.rollback();
diff --git a/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataCopyTest.java b/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataCopyTest.java
index 27efbdb2..621f24d8 100644
--- a/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataCopyTest.java
+++ b/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataCopyTest.java
@@ -19,8 +19,8 @@
  */
 package org.onap.aai.introspection.sideeffect;
 
-import com.thinkaurelius.titan.core.TitanFactory;
-import com.thinkaurelius.titan.core.TitanGraph;
+import org.janusgraph.core.JanusGraphFactory;
+import org.janusgraph.core.JanusGraph;
 import org.apache.commons.io.IOUtils;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.structure.Graph;
@@ -41,7 +41,7 @@ import org.onap.aai.parsers.query.QueryParser;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.db.EdgeProperty;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import java.io.FileInputStream;
@@ -60,7 +60,7 @@ import static org.mockito.Mockito.when;
 @RunWith(value = Parameterized.class)
 public class DataCopyTest {
 
-	private static TitanGraph graph;
+	private static JanusGraph graph;
 	private final static Version version = Version.getLatest();
 	private final static ModelType introspectorFactoryType = ModelType.MOXY;
 	private final static DBConnectionType type = DBConnectionType.REALTIME;
@@ -84,7 +84,7 @@ public class DataCopyTest {
 	
 	@BeforeClass
 	public static void setup() throws NoSuchFieldException, SecurityException, Exception {
-		graph = TitanFactory.build().set("storage.backend","inmemory").open();
+		graph = JanusGraphFactory.build().set("storage.backend","inmemory").open();
 		System.setProperty("AJSC_HOME", ".");
 		System.setProperty("BUNDLECONFIG_DIR", "src/test/resources/bundleconfig-local");
 		loader = LoaderFactory.createLoaderForVersion(introspectorFactoryType, version);
@@ -107,7 +107,7 @@ public class DataCopyTest {
 	@Before
 	public void initMock() {
 		MockitoAnnotations.initMocks(this);
-		dbEngine = new TitanDBEngine(
+		dbEngine = new JanusGraphDBEngine(
 				queryStyle,
 				type,
 				loader);
diff --git a/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataLinkTest.java b/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataLinkTest.java
index 59fe8b86..d44c6cc3 100644
--- a/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataLinkTest.java
+++ b/aai-core/src/test/java/org/onap/aai/introspection/sideeffect/DataLinkTest.java
@@ -19,12 +19,17 @@
  */
 package org.onap.aai.introspection.sideeffect;
 
-import com.thinkaurelius.titan.core.TitanFactory;
-import com.thinkaurelius.titan.core.TitanGraph;
+import org.janusgraph.core.JanusGraphFactory;
+import org.janusgraph.core.schema.JanusGraphManagement;
+import org.janusgraph.core.JanusGraph;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
+import org.apache.tinkerpop.gremlin.structure.Edge;
 import org.apache.tinkerpop.gremlin.structure.Graph;
 import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.apache.tinkerpop.gremlin.structure.Direction;
 import org.apache.tinkerpop.gremlin.structure.VertexProperty;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
 import org.junit.*;
 import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
@@ -37,10 +42,11 @@ import org.onap.aai.dbmap.DBConnectionType;
 import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.introspection.*;
 import org.onap.aai.parsers.query.QueryParser;
+import org.onap.aai.serialization.db.AAIDirection;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.db.EdgeProperty;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import java.io.UnsupportedEncodingException;
@@ -49,16 +55,17 @@ import java.net.MalformedURLException;
 import java.net.URISyntaxException;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
 @RunWith(value = Parameterized.class)
 public class DataLinkTest extends AAISetup {
 
-	private static TitanGraph graph;
+	private static JanusGraph graph;
 	private final static Version version = Version.getLatest();
 	private final static ModelType introspectorFactoryType = ModelType.MOXY;
 	private final static DBConnectionType type = DBConnectionType.REALTIME;
@@ -82,7 +89,7 @@ public class DataLinkTest extends AAISetup {
 	
 	@BeforeClass
 	public static void setup() throws NoSuchFieldException, SecurityException, Exception {
-		graph = TitanFactory.build().set("storage.backend","inmemory").open();
+		graph = JanusGraphFactory.build().set("storage.backend","inmemory").open();
 		loader = LoaderFactory.createLoaderForVersion(introspectorFactoryType, version);
 
 		graph.traversal().addV("aai-node-type", "vpn-binding", "vpn-id", "addKey", AAIProperties.AAI_URI, "/network/vpn-bindings/vpn-binding/addKey").as("v1")
@@ -113,7 +120,7 @@ public class DataLinkTest extends AAISetup {
 	@Before
 	public void initMock() {
 		MockitoAnnotations.initMocks(this);
-		dbEngine = new TitanDBEngine(
+		dbEngine = new JanusGraphDBEngine(
 				queryStyle,
 				type,
 				loader);
@@ -131,6 +138,24 @@ public class DataLinkTest extends AAISetup {
 		TransactionalGraphEngine.Admin adminSpy = spy(dbEngine.asAdmin());
 		Graph g = graph.newTransaction();
 		GraphTraversalSource traversal = g.traversal();
+//		Graph g = graph.newTransaction();
+//		GraphTraversalSource traversal = g;
+		System.out.println("Begin method inventory:");
+		Iterator<Vertex> vertexItr = traversal.V();
+   		while( vertexItr != null && vertexItr.hasNext() ){
+   			Vertex v = vertexItr.next();
+   			System.out.println("\nnodeType="+v.<String>property("aai-node-type"));
+   			for(String key: v.keys()) {
+   				System.out.println("label="+v.label()+";key= "+key+";value= "+v.value(key)+";id= "+v.id());
+   			}
+   			Direction d = null;
+   			Iterator<Edge> edgeItr = v.edges(Direction.BOTH);
+   	   		while( edgeItr != null && edgeItr.hasNext() ){
+   	   			Edge e = edgeItr.next();
+   				System.out.println("outV="+e.outVertex().property(AAIProperties.NODE_TYPE)+"/"+e.outVertex().id()+";inV= "+e.inVertex().property(AAIProperties.NODE_TYPE)+"/"+e.inVertex().id());
+   			}
+   		}
+   		System.out.println("End method inventory:");
 		when(spy.asAdmin()).thenReturn(adminSpy);
 		when(adminSpy.getTraversalSource()).thenReturn(traversal);
 		when(spy.tx()).thenReturn(g);
@@ -158,23 +183,80 @@ public class DataLinkTest extends AAISetup {
 		obj.setValue("route-target-role", "modifyRoleKey2");
 		TransactionalGraphEngine spy = spy(dbEngine);
 		TransactionalGraphEngine.Admin adminSpy = spy(dbEngine.asAdmin());
+//		Graph g = graph.newTransaction();
+//		GraphTraversalSource traversal = g;
 		Graph g = graph.newTransaction();
 		GraphTraversalSource traversal = g.traversal();
+		System.out.println("Begin method inventory:");
+		Iterator<Vertex> vertexItr = traversal.V();
+   		while( vertexItr != null && vertexItr.hasNext() ){
+   			Vertex v = vertexItr.next();
+   			System.out.println("\nnodeType="+v.<String>property("aai-node-type"));
+   			for(String key: v.keys()) {
+   				System.out.println("label="+v.label()+";key= "+key+";value= "+v.value(key)+"/"+v.id());
+   			}
+   			Direction d = null;
+   			Iterator<Edge> edgeItr = v.edges(Direction.BOTH);
+   	   		while( edgeItr != null && edgeItr.hasNext() ){
+   	   			Edge e = edgeItr.next();
+   				System.out.println("outV="+e.outVertex().property(AAIProperties.NODE_TYPE)+"/"+e.outVertex().id()+";inV= "+e.inVertex().property(AAIProperties.NODE_TYPE)+"/"+e.inVertex().id());
+   			}
+   		}
+   		System.out.println("End method inventory:");
+
 		when(spy.asAdmin()).thenReturn(adminSpy);
 		when(adminSpy.getTraversalSource()).thenReturn(traversal);
+//		when(spy.tx()).thenReturn(graph);
 		when(spy.tx()).thenReturn(g);
 		when(self.<String>property(AAIProperties.AAI_URI)).thenReturn(prop);
 		when(prop.orElse(null)).thenReturn(obj.getURI());
 		DBSerializer serializer = new DBSerializer(version, spy, introspectorFactoryType, "AAI_TEST");
 		SideEffectRunner runner = new SideEffectRunner
 				.Builder(spy, serializer).addSideEffect(DataLinkWriter.class).build();
-		
+		System.out.println("Traversal Source: "+traversal.toString());
+		vertexItr = traversal.V();
+		System.out.println("Begin method inventory:");
+   		while( vertexItr != null && vertexItr.hasNext() ){
+   			Vertex v = vertexItr.next();
+   			System.out.println("\nnodeType="+v.<String>property("aai-node-type"));
+   			for(String key: v.keys()) {
+   				System.out.println("label="+v.label()+";key= "+key+";value= "+v.value(key)+"/"+v.id());
+   			}
+   			Iterator<Edge> edgeItr = v.edges(Direction.BOTH);
+   	   		while( edgeItr != null && edgeItr.hasNext() ){
+   	   			Edge e = edgeItr.next();
+   				System.out.println("outV="+e.outVertex().property(AAIProperties.NODE_TYPE)+"/"+e.outVertex().id()+";inV= "+e.inVertex().property(AAIProperties.NODE_TYPE)+"/"+e.inVertex().id());
+   			}
+   		}
+   		System.out.println("End method inventory:");
+		try {
 		runner.execute(obj, self);
+		} catch(Exception e) {
 
-		assertEquals("route-target vertex found", true, traversal.V()
-				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey2").has("route-target-role", "modifyRoleKey2").has("linked", true).hasNext());
-		assertEquals("previous link removed", true, traversal.V()
-				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey").has("route-target-role", "modifyRoleKey").hasNot("linked").hasNext());
+		}
+//		runner.execute(obj, self);
+		System.out.println("=================\n");
+		vertexItr = traversal.V();
+   		while( vertexItr != null && vertexItr.hasNext() ){
+   			Vertex v = vertexItr.next();
+   			System.out.println("\nnodeType="+v.<String>property("aai-node-type"));
+   			for(String key: v.keys()) {
+   				System.out.println("label="+v.label()+";key= "+key+";value= "+v.value(key)+"/"+v.id());
+   			}
+   			Iterator<Edge> edgeItr = v.edges(Direction.BOTH);
+   	   		while( edgeItr != null && edgeItr.hasNext() ){
+   	   			Edge e = edgeItr.next();
+   				System.out.println("outV="+e.outVertex().property(AAIProperties.NODE_TYPE)+"/"+e.outVertex().id()+";inV= "+e.inVertex().property(AAIProperties.NODE_TYPE)+"/"+e.inVertex().id());
+   			}
+   		}
+		assertThat("new route-target vertex found with/or without link", traversal.V()
+				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey2").has("route-target-role", "modifyRoleKey2").hasNext(),is(true));
+		assertThat("new route-target vertex found", traversal.V()
+				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey2").has("route-target-role", "modifyRoleKey2").has("linked", true).hasNext(),is(true));
+		assertThat("previous link removed", traversal.V()
+				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey").has("route-target-role", "modifyRoleKey").has("linked").hasNext(),is(not(true)));
+		assertThat("previous vertex still exists", traversal.V()
+				.has(AAIProperties.NODE_TYPE, "route-target").has("global-route-target", "modifyTargetKey").has("route-target-role", "modifyRoleKey").hasNext(),is(true));
 		g.tx().rollback();
 		
 	}
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/GraphTraversalTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/GraphTraversalTest.java
index 02e9efa1..e901c65f 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/GraphTraversalTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/GraphTraversalTest.java
@@ -37,7 +37,7 @@ import org.onap.aai.introspection.ModelType;
 import org.onap.aai.introspection.Version;
 import org.onap.aai.rest.RestTokens;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.ws.rs.core.MultivaluedHashMap;
@@ -82,12 +82,12 @@ public class GraphTraversalTest extends AAISetup {
 	@Before
 	public void configure() throws Exception {
 		dbEngine =
-				new TitanDBEngine(queryStyle,
+				new JanusGraphDBEngine(queryStyle,
 					LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST),
 					false);
 		
 		dbEnginev9 = 
-				new TitanDBEngine(queryStyle,
+				new JanusGraphDBEngine(queryStyle,
 					LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v9),
 					false);
 	}
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/GremlinPipelineTraversalTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/GremlinPipelineTraversalTest.java
new file mode 100644
index 00000000..f56d6f62
--- /dev/null
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/GremlinPipelineTraversalTest.java
@@ -0,0 +1,447 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.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.onap.aai.parsers.query;
+
+import static org.hamcrest.CoreMatchers.startsWith;
+import static org.junit.Assert.assertEquals;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import org.onap.aai.db.AAIProperties;
+import org.onap.aai.exceptions.AAIException;
+import org.onap.aai.introspection.LoaderFactory;
+import org.onap.aai.introspection.ModelType;
+import org.onap.aai.introspection.Version;
+import org.onap.aai.logging.LogLineBuilder;
+import org.onap.aai.serialization.engines.QueryStyle;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
+import org.onap.aai.serialization.engines.TransactionalGraphEngine;
+
+import com.tinkerpop.gremlin.java.GremlinPipeline;
+import com.tinkerpop.pipes.IdentityPipe;
+
+public class GremlinPipelineTraversalTest {
+
+	private TransactionalGraphEngine dbEngine = 
+			new JanusGraphDBEngine(QueryStyle.GREMLINPIPELINE_TRAVERSAL, 
+				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v7, new LogLineBuilder("TEST", "TEST")),
+				false);
+	
+	private TransactionalGraphEngine dbEnginev6 = 
+			new JanusGraphDBEngine(QueryStyle.GREMLINPIPELINE_TRAVERSAL, 
+				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v6, new LogLineBuilder("TEST", "TEST")),
+				false);
+	
+	@Rule
+	public ExpectedException thrown = ExpectedException.none();
+	
+	@BeforeClass
+	public static void configure() {
+		System.setProperty("AJSC_HOME", ".");
+		System.setProperty("BUNDLECONFIG_DIR", "bundleconfig-local");
+	}
+	
+	@Test
+    public void parentQuery() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("cloud-infrastructure/complexes/complex/key1").build();
+		
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V().has("physical-location-id", "key1").has("aai-node-type", "complex");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal to normal query",
+				expected.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be complex",
+				"complex",
+				query.getResultType());
+		assertEquals(
+				"result type should be empty",
+				"",
+				query.getParentResultType());
+		assertEquals("dependent",false, query.isDependent());
+
+		
+    }
+
+	@Test
+    public void childQuery() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("cloud-infrastructure/complexes/complex/key1/ctag-pools/ctag-pool/key2/key3").build();
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("physical-location-id", "key1").has("aai-node-type", "complex")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("target-pe", "key2").has("availability-zone-name", "key3");
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("physical-location-id", "key1").has("aai-node-type", "complex");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for complex",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be complex",
+				"complex",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be ctag-pool",
+				"ctag-pool",
+				query.getResultType());
+		assertEquals("dependent",true, query.isDependent());
+
+		
+    }
+	
+	@Test
+    public void namingExceptions() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("network/vces/vce/key1/port-groups/port-group/key2/cvlan-tags/cvlan-tag/655").build();
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2").in("org.onap.relationships.inventory.BelongsTo")
+				.has("cvlan-tag", 655);
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for port group",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be cvlan-tag",
+				"cvlan-tag",
+				query.getResultType());
+		assertEquals(
+				"result type should be port-group",
+				"port-group",
+				query.getParentResultType());
+		assertEquals(
+				"contaner type should be empty",
+				"",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+		
+    }
+	
+	@Test
+    public void getAll() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("network/vces/vce/key1/port-groups/port-group/key2/cvlan-tags").build();
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2").in("org.onap.relationships.inventory.BelongsTo")
+				.has("aai-node-type", "cvlan-tag");
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for port group",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be port-group",
+				"port-group",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be cvlan-tag",
+				"cvlan-tag",
+				query.getResultType());
+		assertEquals(
+				"container type should be cvlan-tags",
+				"cvlan-tags",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+		
+    }
+	
+	@Test
+	public void getItemAffectedByDefaultCloudRegion() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("cloud-infrastructure/tenants/tenant/key1/vservers/vserver/key2/l-interfaces/l-interface/key3").build();
+		QueryParser query = dbEnginev6.getQueryBuilder().createQueryFromURI(uri);
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("cloud-owner", "att-aic").has("aai-node-type", "cloud-region")
+				.has("cloud-region-id", "AAIAIC25")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("tenant-id", "key1")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("vserver-id", "key2")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-name", "key3");
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("cloud-owner", "att-aic").has("aai-node-type", "cloud-region")
+				.has("cloud-region-id", "AAIAIC25")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("tenant-id", "key1")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("vserver-id", "key2");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for vserver",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be vserver",
+				"vserver",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be l-interface",
+				"l-interface",
+				query.getResultType());
+		assertEquals(
+				"container type should be empty",
+				"",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+	}
+	
+	@Test
+	public void getViaQueryParam() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("cloud-infrastructure/tenants/tenant").build();
+		MultivaluedMap<String, String> map = new MultivaluedHashMap<>();
+
+				.has("tenant-name", "Tenant1");
+
+				.has("tenant-name", "Tenant2");
+
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("cloud-owner", "att-aic").has("aai-node-type", "cloud-region")
+				.has("cloud-region-id", "AAIAIC25");
+						
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for cloud-region",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be cloud-region",
+				"cloud-region",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be tenant",
+				"tenant",
+				query.getResultType());
+		assertEquals(
+				"container type should be empty",
+				"",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+	}
+	
+	@Test
+	public void getPluralViaQueryParam() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("network/vnfcs").build();
+		MultivaluedMap<String, String> map = new MultivaluedHashMap<>();
+		map.putSingle("prov-status", "up");
+		QueryParser query = dbEnginev6.getQueryBuilder().createQueryFromURI(uri, map);
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("aai-node-type", "vnfc")
+				.has("prov-status", "up");
+
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("aai-node-type", "vnfc");
+					
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"parent result type should be empty",
+				"",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be vnfc",
+				"vnfc",
+				query.getResultType());
+		assertEquals(
+				"container type should be empty",
+				"vnfcs",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+	}
+	
+	@Test
+    public void getAllQueryParamNamingException() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("network/vces/vce/key1/port-groups/port-group/key2/cvlan-tags").build();
+		MultivaluedMap<String, String> map = new MultivaluedHashMap<>();
+		map.putSingle("cvlan-tag", "333");
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri, map);
+		
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2").in("org.onap.relationships.inventory.BelongsTo")
+				.has("aai-node-type", "cvlan-tag")
+				.has("cvlan-tag", 333);
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").has("aai-node-type", "vce")
+				.in("org.onap.relationships.inventory.BelongsTo")
+				.has("interface-id", "key2");
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for port group",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be port-group",
+				"port-group",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be cvlan-tag",
+				"cvlan-tag",
+				query.getResultType());
+		assertEquals(
+				"container type should be cvlan-tags",
+				"cvlan-tags",
+				query.getContainerType());
+		assertEquals("dependent",true, query.isDependent());
+
+		
+    }
+	
+	@Test
+    public void abstractType() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("vnf/key1").build();
+
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").or(
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "vce"),
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "generic-vnf"));
+			
+		GremlinPipeline expectedParent = expected;
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for port group",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be empty",
+				"",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be vnf",
+				"vnf",
+				query.getResultType());
+		
+		assertEquals("dependent",false, query.isDependent());
+
+		
+    }
+	
+	@Test
+    public void nonParentAbstractType() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("cloud-infrastructure/pservers/pserver/key2/vnf/key1").build();
+		thrown.expect(AAIException.class);
+		thrown.expectMessage(startsWith("AAI_3001"));
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		
+
+		
+    }
+	
+	@Test
+	public void parentAbstractTypeWithNesting() throws UnsupportedEncodingException, AAIException {
+		URI uri = UriBuilder.fromPath("vnf/key1/vf-modules/vf-module/key2").build();
+		
+		QueryParser query = dbEngine.getQueryBuilder().createQueryFromURI(uri);
+		
+		GremlinPipeline expected = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").or(
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "vce"),
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "generic-vnf"))
+				.outE().has("isParent", true).inV().has("vf-module-id", "key2");
+		GremlinPipeline expectedParent = new GremlinPipeline(new IdentityPipe()).V()
+				.has("vnf-id", "key1").or(
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "vce"),
+						new GremlinPipeline(new IdentityPipe()).has(AAIProperties.NODE_TYPE, "generic-vnf"));
+		assertEquals(
+				"gremlin query should be " + expected.toString(),
+				expected.toString(),
+				query.getQueryBuilder().getQuery().toString());
+		assertEquals(
+				"parent gremlin query should be equal the query for ",
+				expectedParent.toString(),
+				query.getQueryBuilder().getParentQuery().toString());
+		assertEquals(
+				"result type should be vnf",
+				"vnf",
+				query.getParentResultType());
+		assertEquals(
+				"result type should be vf-module",
+				"vf-module",
+				query.getResultType());
+		
+		assertEquals("dependent",true, query.isDependent());
+		
+	}
+}
+*/
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/LegacyQueryTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/LegacyQueryTest.java
index 1a4a2fbd..a2bcf6d0 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/LegacyQueryTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/LegacyQueryTest.java
@@ -29,7 +29,7 @@ import org.onap.aai.introspection.ModelInjestor;
 import org.onap.aai.introspection.ModelType;
 import org.onap.aai.introspection.Version;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.ws.rs.core.UriBuilder;
@@ -46,7 +46,7 @@ public class LegacyQueryTest extends AAISetup {
 	private ModelInjestor injestor = ModelInjestor.getInstance();
 
 	private TransactionalGraphEngine dbEngine =
-			new TitanDBEngine(QueryStyle.GREMLIN_TRAVERSAL,
+			new JanusGraphDBEngine(QueryStyle.GREMLIN_TRAVERSAL,
 				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v8),
 				false);	
 	private final Version version = Version.v8;
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipGremlinQueryTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipGremlinQueryTest.java
index 9c853e23..19c48801 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipGremlinQueryTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipGremlinQueryTest.java
@@ -30,7 +30,7 @@ import org.onap.aai.AAISetup;
 import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.introspection.*;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.xml.bind.JAXBException;
@@ -47,7 +47,7 @@ public class RelationshipGremlinQueryTest extends AAISetup {
 
 	private ModelInjestor injestor = ModelInjestor.getInstance();
 	private TransactionalGraphEngine dbEngine = 
-			new TitanDBEngine(QueryStyle.GREMLIN_TRAVERSAL, 
+			new JanusGraphDBEngine(QueryStyle.GREMLIN_TRAVERSAL, 
 				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v8),
 				false);
 	private final Version version = Version.v8;
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipQueryTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipQueryTest.java
index 597c6675..c92cab27 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipQueryTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/RelationshipQueryTest.java
@@ -28,7 +28,7 @@ import org.onap.aai.AAISetup;
 import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.introspection.*;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.xml.bind.JAXBException;
@@ -45,7 +45,7 @@ public class RelationshipQueryTest extends AAISetup {
 	private ModelInjestor injestor = ModelInjestor.getInstance();
 
 	private TransactionalGraphEngine dbEngine = 
-			new TitanDBEngine(QueryStyle.GREMLIN_TRAVERSAL, 
+			new JanusGraphDBEngine(QueryStyle.GREMLIN_TRAVERSAL, 
 				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v8),
 				false);
 	private final Version version = Version.v8;
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueRelationshipQueryTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueRelationshipQueryTest.java
index 8a0c727f..1430b87d 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueRelationshipQueryTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueRelationshipQueryTest.java
@@ -32,7 +32,7 @@ import org.onap.aai.AAISetup;
 import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.introspection.*;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.xml.bind.JAXBException;
@@ -48,7 +48,7 @@ public class UniqueRelationshipQueryTest extends AAISetup {
 
 	private ModelInjestor injestor = ModelInjestor.getInstance();
 	private TransactionalGraphEngine dbEngine = 
-			new TitanDBEngine(QueryStyle.GREMLIN_UNIQUE, 
+			new JanusGraphDBEngine(QueryStyle.GREMLIN_UNIQUE, 
 				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v8),
 				false);
 	private final Version version = Version.v8;
diff --git a/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueURIQueryTest.java b/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueURIQueryTest.java
index 735785b7..edb80bfb 100644
--- a/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueURIQueryTest.java
+++ b/aai-core/src/test/java/org/onap/aai/parsers/query/UniqueURIQueryTest.java
@@ -32,7 +32,7 @@ import org.onap.aai.introspection.ModelInjestor;
 import org.onap.aai.introspection.ModelType;
 import org.onap.aai.introspection.Version;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import javax.ws.rs.core.UriBuilder;
@@ -46,7 +46,7 @@ public class UniqueURIQueryTest extends AAISetup {
 
 	private ModelInjestor injestor = ModelInjestor.getInstance();
 	private TransactionalGraphEngine dbEngine = 
-			new TitanDBEngine(QueryStyle.GREMLIN_UNIQUE, 
+			new JanusGraphDBEngine(QueryStyle.GREMLIN_UNIQUE, 
 				LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.v8),
 				false);
 	private final Version version = Version.v8;
diff --git a/aai-core/src/test/java/org/onap/aai/query/builder/QueryBuilderTestAbstraction.java b/aai-core/src/test/java/org/onap/aai/query/builder/QueryBuilderTestAbstraction.java
index 9cdab403..6d45d947 100644
--- a/aai-core/src/test/java/org/onap/aai/query/builder/QueryBuilderTestAbstraction.java
+++ b/aai-core/src/test/java/org/onap/aai/query/builder/QueryBuilderTestAbstraction.java
@@ -19,7 +19,7 @@
  */
 package org.onap.aai.query.builder;
 
-import com.thinkaurelius.titan.core.TitanFactory;
+import org.janusgraph.core.JanusGraphFactory;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.process.traversal.step.util.BulkSet;
 import org.apache.tinkerpop.gremlin.process.traversal.step.util.Tree;
@@ -56,7 +56,7 @@ public abstract class QueryBuilderTestAbstraction extends AAISetup {
 	@BeforeClass
 	public static void setup() throws Exception {
 		loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST);
-		graph = TitanFactory.build().set("storage.backend", "inmemory").open();
+		graph = JanusGraphFactory.build().set("storage.backend", "inmemory").open();
 	}
 
 	@Before
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/db/DbAliasTest.java b/aai-core/src/test/java/org/onap/aai/serialization/db/DbAliasTest.java
index 27d14c94..a2bf5876 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/db/DbAliasTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/db/DbAliasTest.java
@@ -19,8 +19,8 @@
  */
 package org.onap.aai.serialization.db;
 
-import com.thinkaurelius.titan.core.TitanFactory;
-import com.thinkaurelius.titan.core.TitanGraph;
+import org.janusgraph.core.JanusGraphFactory;
+import org.janusgraph.core.JanusGraph;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.structure.Graph;
 import org.apache.tinkerpop.gremlin.structure.Vertex;
@@ -36,7 +36,7 @@ import org.onap.aai.introspection.*;
 import org.onap.aai.parsers.query.QueryParser;
 import org.onap.aai.schema.enums.PropertyMetadata;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import java.io.UnsupportedEncodingException;
@@ -56,7 +56,7 @@ import static org.mockito.Mockito.when;
 @RunWith(value = Parameterized.class)
 public class DbAliasTest extends AAISetup {
 
-	private TitanGraph graph;
+	private JanusGraph graph;
 
 	private final Version version = Version.v9;
 	private final ModelType introspectorFactoryType = ModelType.MOXY;
@@ -76,9 +76,9 @@ public class DbAliasTest extends AAISetup {
 
 	@Before
 	public void setup() throws Exception {
-		graph = TitanFactory.build().set("storage.backend","inmemory").open();
+		graph = JanusGraphFactory.build().set("storage.backend","inmemory").open();
 		loader = LoaderFactory.createLoaderForVersion(introspectorFactoryType, version);
-		dbEngine = new TitanDBEngine(
+		dbEngine = new JanusGraphDBEngine(
 				queryStyle,
 				type,
 				loader);
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/db/DbSerializerTest.java b/aai-core/src/test/java/org/onap/aai/serialization/db/DbSerializerTest.java
index 3cf43b4a..77513aa3 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/db/DbSerializerTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/db/DbSerializerTest.java
@@ -19,7 +19,7 @@
  */
 package org.onap.aai.serialization.db;
 
-import com.thinkaurelius.titan.core.TitanFactory;
+import org.janusgraph.core.JanusGraphFactory;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.structure.*;
 import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph;
@@ -34,7 +34,7 @@ import org.onap.aai.exceptions.AAIException;
 import org.onap.aai.introspection.*;
 import org.onap.aai.parsers.query.QueryParser;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 
 import java.io.UnsupportedEncodingException;
@@ -80,7 +80,7 @@ public class DbSerializerTest extends AAISetup {
 
 	@BeforeClass
 	public static void init() throws Exception {
-		graph = TitanFactory.build().set("storage.backend", "inmemory").open();
+		graph = JanusGraphFactory.build().set("storage.backend", "inmemory").open();
 
 	}
 
@@ -88,12 +88,12 @@ public class DbSerializerTest extends AAISetup {
 	public void setup() throws Exception {
 		//createGraph();
 		loader = LoaderFactory.createLoaderForVersion(introspectorFactoryType, version);
-		dbEngine = new TitanDBEngine(queryStyle, type, loader);
+		dbEngine = new JanusGraphDBEngine(queryStyle, type, loader);
 		spy = spy(dbEngine);
 		adminSpy = spy(dbEngine.asAdmin());
 
 
-		engine = new TitanDBEngine(queryStyle, type, loader);
+		engine = new JanusGraphDBEngine(queryStyle, type, loader);
 		dbser = new DBSerializer(version, engine, introspectorFactoryType, "AAI-TEST");
 	}
 
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/CountQuerySupportTest.java b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/CountQuerySupportTest.java
index 606b6f69..0bdfa150 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/CountQuerySupportTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/CountQuerySupportTest.java
@@ -47,7 +47,7 @@ import org.onap.aai.introspection.Version;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.db.EdgeRules;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
@@ -142,7 +142,7 @@ public class CountQuerySupportTest extends AAISetup {
 
 		if (loader == null) {
 			loader = LoaderFactory.createLoaderForVersion(factoryType, version);
-			dbEngine = spy(new TitanDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
+			dbEngine = spy(new JanusGraphDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
 			serializer = new DBSerializer(version, dbEngine, factoryType, "Junit");
 			
 			ff = new FormatFactory(loader, serializer);
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/MultiFormatTest.java b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/MultiFormatTest.java
index c6aedf9e..27fd78ad 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/MultiFormatTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/MultiFormatTest.java
@@ -49,7 +49,7 @@ import org.onap.aai.introspection.Version;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.db.EdgeRules;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
@@ -155,7 +155,7 @@ public class MultiFormatTest extends AAISetup {
 
 		if (loader == null) {
 			loader = LoaderFactory.createLoaderForVersion(factoryType, version);
-			dbEngine = spy(new TitanDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
+			dbEngine = spy(new JanusGraphDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
 
 			TransactionalGraphEngine.Admin spyAdmin = spy(dbEngine.asAdmin());
 
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/RawFormatTest.java b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/RawFormatTest.java
index 5633e4cb..8f4fd359 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/RawFormatTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/RawFormatTest.java
@@ -43,7 +43,7 @@ import org.onap.aai.introspection.Version;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.db.EdgeRules;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
@@ -112,7 +112,7 @@ public class RawFormatTest extends AAISetup {
 
 		if (loader == null) {
 			loader = LoaderFactory.createLoaderForVersion(factoryType, version);
-			dbEngine = spy(new TitanDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
+			dbEngine = spy(new JanusGraphDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
 			serializer = new DBSerializer(version, dbEngine, factoryType, "Junit");
 			rawFormat = new RawFormat.Builder(loader, serializer, urlBuilder).build();
 
diff --git a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/SimpleFormatTest.java b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/SimpleFormatTest.java
index 23c8abf2..7636b8d7 100644
--- a/aai-core/src/test/java/org/onap/aai/serialization/queryformats/SimpleFormatTest.java
+++ b/aai-core/src/test/java/org/onap/aai/serialization/queryformats/SimpleFormatTest.java
@@ -41,7 +41,7 @@ import org.onap.aai.introspection.Version;
 import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
 import org.onap.aai.serialization.db.DBSerializer;
 import org.onap.aai.serialization.engines.QueryStyle;
-import org.onap.aai.serialization.engines.TitanDBEngine;
+import org.onap.aai.serialization.engines.JanusGraphDBEngine;
 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
 import org.onap.aai.serialization.queryformats.utils.UrlBuilder;
@@ -149,7 +149,7 @@ public class SimpleFormatTest extends AAISetup {
 
 		if(loader == null){
 			loader = LoaderFactory.createLoaderForVersion(factoryType, Version.v10);
-			dbEngine = spy(new TitanDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
+			dbEngine = spy(new JanusGraphDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
 
 			TransactionalGraphEngine.Admin spyAdmin = spy(dbEngine.asAdmin());