X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=aai-core%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Faai%2Fserialization%2Fengines%2Fquery%2FQueryEngine.java;fp=aai-core%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Faai%2Fserialization%2Fengines%2Fquery%2FQueryEngine.java;h=01f11b171a54a406ff2a06ec111e431b13bff506;hb=1767960099ea2983eef5218b8ce44b167ae0774c;hp=0000000000000000000000000000000000000000;hpb=a8a05641920545aa094dffdb016b7b5febe9a879;p=aai%2Faai-common.git

diff --git a/aai-core/src/main/java/org/onap/aai/serialization/engines/query/QueryEngine.java b/aai-core/src/main/java/org/onap/aai/serialization/engines/query/QueryEngine.java
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+++ b/aai-core/src/main/java/org/onap/aai/serialization/engines/query/QueryEngine.java
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+/**
+ * ============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.engines.query;
+
+import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
+import org.apache.tinkerpop.gremlin.process.traversal.step.util.Tree;
+import org.apache.tinkerpop.gremlin.structure.Direction;
+import org.apache.tinkerpop.gremlin.structure.Edge;
+import org.apache.tinkerpop.gremlin.structure.Element;
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.onap.aai.db.props.AAIProperties;
+import org.onap.aai.introspection.Loader;
+
+import java.util.List;
+
+public abstract class QueryEngine {
+
+	final protected GraphTraversalSource g;
+
+	/**
+	 * Instantiates a new query engine.
+	 *
+	 * @param graphEngine the graph engine
+	 */
+	public QueryEngine (GraphTraversalSource g) {
+		this.g = g;
+	}
+	
+	/**
+	 * Find parents.
+	 *
+	 * @param start the start
+	 * @return the list
+	 */
+	public abstract List<Vertex> findParents(Vertex start);
+	
+	/**
+	 * Find children.
+	 *
+	 * @param start the start
+	 * @return the list
+	 */
+	public abstract List<Vertex> findAllChildren(Vertex start);
+	
+	public abstract List<Vertex> findChildrenOfType(Vertex start, String type);
+	
+	public abstract List<Vertex> findChildren(Vertex start);
+	/**
+	 * Find deletable.
+	 *
+	 * @param start the start
+	 * @return the list
+	 */
+	public abstract List<Vertex> findDeletable(Vertex start);
+	
+	public Tree<Element> findSubGraph(Vertex start) {
+		return findSubGraph(start, AAIProperties.MAXIMUM_DEPTH, false);
+	}
+	public abstract Tree<Element> findSubGraph(Vertex start, int iterations, boolean nodeOnly);
+	/**
+	 * Find related vertices.
+	 *
+	 * @param start the start
+	 * @param direction the direction
+	 * @param label the label
+	 * @param nodeType the node type
+	 * @return the list
+	 */
+	public abstract List<Vertex> findRelatedVertices(Vertex start, Direction direction, String label, String nodeType);
+
+	public abstract List<Edge> findEdgesForVersion(Vertex start, Loader loader);
+	
+	public abstract List<Vertex> findCousinVertices(Vertex start);
+
+}