/*
* Copyright 2010 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.store.routed.action;
import voldemort.store.routed.Pipeline;
import voldemort.store.routed.PutPipelineData;
import voldemort.store.routed.Pipeline.Event;
import voldemort.utils.ByteArray;
import voldemort.utils.Time;
import voldemort.versioning.VectorClock;
import voldemort.versioning.Versioned;
public class IncrementClock extends AbstractAction<ByteArray, Void, PutPipelineData> {
private final Versioned<byte[]> versioned;
private final Time time;
public IncrementClock(PutPipelineData pipelineData,
Event completeEvent,
Versioned<byte[]> versioned,
Time time) {
super(pipelineData, completeEvent);
this.versioned = versioned;
this.time = time;
}
public void execute(Pipeline pipeline) {
if(logger.isTraceEnabled())
logger.trace(pipeline.getOperation().getSimpleName() + " versioning data - was: "
+ versioned.getVersion());
// Okay looks like it worked, increment the version for the caller
VectorClock versionedClock = (VectorClock) versioned.getVersion();
versionedClock.incrementVersion(pipelineData.getMaster().getId(), time.getMilliseconds());
if(logger.isTraceEnabled())
logger.trace(pipeline.getOperation().getSimpleName() + " versioned data - now: "
+ versioned.getVersion());
pipeline.addEvent(completeEvent);
}
}