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/*
* ============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;
}
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