diff options
Diffstat (limited to 'jar/src/main/java/org/onap/music/lockingservice/ZooKeeperOperation.java')
-rw-r--r-- | jar/src/main/java/org/onap/music/lockingservice/ZooKeeperOperation.java | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/jar/src/main/java/org/onap/music/lockingservice/ZooKeeperOperation.java b/jar/src/main/java/org/onap/music/lockingservice/ZooKeeperOperation.java new file mode 100644 index 00000000..7020d14d --- /dev/null +++ b/jar/src/main/java/org/onap/music/lockingservice/ZooKeeperOperation.java @@ -0,0 +1,42 @@ +/* + * ============LICENSE_START========================================== + * org.onap.music + * =================================================================== + * Copyright (c) 2017 AT&T Intellectual Property + * =================================================================== + * 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.music.lockingservice; + +import org.apache.zookeeper.KeeperException; + +/** + * A callback object which can be used for implementing retry-able operations in the + * {@link org.onap.music.lockingservice.ProtocolSupport} class + * + */ +public interface ZooKeeperOperation { + + /** + * Performs the operation - which may be involved multiple times if the connection + * to ZooKeeper closes during this operation + * + * @return the result of the operation or null + * @throws KeeperException FILL IN + * @throws InterruptedException FILL IN + */ + public boolean execute() throws KeeperException, InterruptedException; +} |