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/*
* Copyright 2007 - 2018 ETH Zuerich, CISD and SIS.
*
* 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 ch.systemsx.cisd.base.namedthread;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
/**
* A {@link FutureTask} with a name.
*
* @author Bernd Rinn
*/
class NamedFutureTask<V> extends FutureTask<V> implements NamedRunnable
{
private final String name;
private Thread thread;
private String oldThreadName;
NamedFutureTask(Callable<V> callable)
{
super(callable);
this.name =
(callable instanceof ICallableNameProvider) ? ((ICallableNameProvider) callable)
.getCallableName() : null;
}
NamedFutureTask(Runnable runnable, V result)
{
super(runnable, result);
this.name =
(runnable instanceof IRunnableNameProvider) ? ((IRunnableNameProvider) runnable)
.getRunnableName() : null;
}
void restoreThreadName()
{
if (this.thread != null)
{
this.thread.setName(oldThreadName);
this.thread = null;
}
}
void setThread(Thread thread)
{
this.thread = thread;
this.oldThreadName = thread.getName();
}
@Override
public String getRunnableName()
{
return name;
}
}
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