/*
* Copyright (c) 2008-2013, Hazelcast, Inc. 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.
*/
package com.hazelcast.cluster.impl;
import com.hazelcast.cluster.Joiner;
import com.hazelcast.instance.Node;
import java.util.concurrent.atomic.AtomicBoolean;
final class SplitBrainHandler implements Runnable {
private final Node node;
private final AtomicBoolean inProgress = new AtomicBoolean(false);
public SplitBrainHandler(Node node) {
this.node = node;
}
@Override
public void run() {
if (node.isMaster() && node.joined() && node.isActive() && !node.clusterService.isJoinInProgress()
&& inProgress.compareAndSet(false, true)) {
try {
searchForOtherClusters();
} finally {
inProgress.set(false);
}
}
}
private void searchForOtherClusters() {
Joiner joiner = node.getJoiner();
if (joiner != null) {
joiner.searchForOtherClusters();
}
}
}