/*
* Copyright 2010 Outerthought bvba
*
* 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.
*/
package org.lilyproject.util.zookeeper;
import org.apache.zookeeper.KeeperException;
// Disclaimer: this interface was copied from ZooKeeper's lock recipe and slightly altered.
/**
* A callback object which can be used for implementing retry-able operations, used by
* {@link ZooKeeperItf#retryOperation}.
*
*/
public interface ZooKeeperOperation<T> {
/**
* Performs the operation - which may be involved multiple times if the connection
* to ZooKeeper closes during this operation
*
*/
public T execute() throws KeeperException, InterruptedException;
}