1 files changed, 65 insertions, 0 deletions
diff --git a/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IBasicDAO.java b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IBasicDAO.java
new file mode 100644
index 0000000000..3a2bfb34e8
--- /dev/null
+++ b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IBasicDAO.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * 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.sdc.be.dao.api;
+
+import java.util.List;
+import java.util.Map;
+
+import org.openecomp.sdc.be.dao.graph.datatype.GraphNode;
+import org.openecomp.sdc.be.dao.neo4j.GraphNeighbourTable;
+import org.openecomp.sdc.be.dao.neo4j.Neo4jOperationStatus;
+import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
+
+import fj.data.Either;
+
+public interface IBasicDAO {
+
+	/**
+	 * add the content of the graph neighbour table to the graph.
+	 * 
+	 * @param graphNeighbourTable
+	 * @param clazz
+	 *            - the type of the object to be returned
+	 * @param nodeType
+	 *            - label of the node
+	 * @return Neo4jNode implementation
+	 */
+	public <T extends GraphNode> Either<T, Neo4jOperationStatus> create(GraphNeighbourTable graphNeighbourTable,
+			Class<T> clazz, NodeTypeEnum nodeType);
+
+	/**
+	 * return the node data by unique id.
+	 * 
+	 * @param id
+	 *            - unique id of the node
+	 * @param clazz
+	 * @param nodeType
+	 * @return
+	 */
+	public <T extends GraphNode> Either<T, Neo4jOperationStatus> getNodeData(String id, Class<T> clazz,
+			NodeTypeEnum nodeType);
+
+	public <T extends GraphNode> Either<T, Neo4jOperationStatus> getNodeData(String keyName, String id, Class<T> clazz,
+			NodeTypeEnum nodeType);
+
+	public <T extends GraphNode> Either<List<T>, Neo4jOperationStatus> getNodesData(
+			Map<String, Object> propertiesToMatch, Class<T> clazz, NodeTypeEnum nodeTypeEnum);
+}