forked from voldemort/voldemort
/
RebalanceTask.java
70 lines (57 loc) · 2.09 KB
/
RebalanceTask.java
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/*
* Copyright 2013 LinkedIn, Inc
*
* 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 voldemort.client.rebalance.task;
import java.util.List;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicBoolean;
import voldemort.client.protocol.admin.AdminClient;
import voldemort.client.rebalance.RebalancePartitionsInfo;
public abstract class RebalanceTask implements Runnable {
protected final int taskId;
protected Exception exception;
protected final AdminClient adminClient;
protected final Semaphore donorPermit;
protected final AtomicBoolean isComplete;
protected final List<RebalancePartitionsInfo> stealInfos;
protected final static int INVALID_REBALANCE_ID = -1;
public RebalanceTask(final int taskId,
final List<RebalancePartitionsInfo> stealInfos,
final Semaphore donorPermit,
final AdminClient adminClient) {
this.stealInfos = stealInfos;
this.taskId = taskId;
this.adminClient = adminClient;
this.donorPermit = donorPermit;
this.exception = null;
this.isComplete = new AtomicBoolean(false);
}
public List<RebalancePartitionsInfo> getStealInfos() {
return this.stealInfos;
}
public boolean isComplete() {
return this.isComplete.get();
}
public boolean hasException() {
return exception != null;
}
public Exception getError() {
return exception;
}
@Override
public String toString() {
return "Rebalance task : " + getStealInfos();
}
}