1 files changed, 66 insertions, 0 deletions
diff --git a/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IGenericIdDAO.java b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IGenericIdDAO.java
new file mode 100644
index 0000000000..2bc11dfcf4
--- /dev/null
+++ b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/IGenericIdDAO.java
@@ -0,0 +1,66 @@
+/*-
+ * ============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;
+
+/**
+ * A DAO that allows accessing data by Id or / and multiple Ids.
+ * 
+ * @author Igor Ngouagna
+ */
+public interface IGenericIdDAO {
+
+	/**
+	 * Find an instance from the given class.
+	 * 
+	 * @param clazz
+	 *            The class of the object to find.
+	 * @param id
+	 *            The id of the object.
+	 * @return The object that has the given id or null if no object matching
+	 *         the request is found.
+	 */
+	<T> T findById(String typeName, String id, Class<T> clazz);
+
+	/**
+	 * Find instances by id
+	 * 
+	 * @param clazz
+	 *            The class for which to find an instance.
+	 * @param ids
+	 *            array of id of the data to find.
+	 * @return List of Objects that has the given ids or empty list if no object
+	 *         matching the request is found.
+	 */
+	<T> List<T> findByIds(String typeName, Class<T> clazz, String... ids);
+
+	/**
+	 * Delete an instance from the given class.
+	 * 
+	 * @param clazz
+	 *            The class of the object to delete.
+	 * @param id
+	 *            The id of the object to delete.
+	 */
+	void delete(String typeName, String id);
+
+}