1 files changed, 59 insertions, 0 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java
new file mode 100644
index 00000000..2ed54196
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/jpa/EntityMgrCloser.java
@@ -0,0 +1,59 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Common Utils
+ * ================================================================================
+ * Copyright (C) 2018 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.policy.common.utils.jpa;
+
+import javax.persistence.EntityManager;
+
+/**
+ * Wrapper for an <i>EntityManager</i>, providing auto-close functionality. This
+ * is useful in try-with-resources statements.
+ */
+public class EntityMgrCloser implements AutoCloseable {
+
+	/**
+	 * The wrapped manager.
+	 */
+	private final EntityManager em;
+
+	/**
+	 * 
+	 * @param em
+	 *            manager to be auto-closed
+	 */
+	public EntityMgrCloser(EntityManager em) {
+		this.em = em;
+	}
+
+	/**
+	 * Gets the EntityManager wrapped within this object.
+	 * 
+	 * @return the associated EntityManager
+	 */
+	public EntityManager getManager() {
+		return em;
+	}
+
+	@Override
+	public void close() {
+		em.close();
+	}
+
+}