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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.curator;
import com.yahoo.concurrent.UncheckedTimeoutException;
import com.yahoo.path.Path;
import java.time.Duration;
/**
* Class that holds two locks, originally used for transitioning from one lock to
* another, where you need to hold both the old lock and the new lock in the
* transition period.
*
* @author hmusum
*/
public class MultiplePathsLock extends Lock {
private final Lock oldLock;
private final Lock newLock;
public MultiplePathsLock(Path newLockPath, Path oldLockPath, Duration timeout, Curator curator) {
super(newLockPath.getAbsolute(), curator);
this.newLock = curator.lock(newLockPath, timeout);
this.oldLock = curator.lock(oldLockPath, timeout);;
}
@Override
public void acquire(Duration timeout) throws UncheckedTimeoutException {
oldLock.acquire(timeout);
newLock.acquire(timeout);
}
@Override
public void close() {
oldLock.close();
newLock.close();
}
}
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