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/* Glazed Lists (c) 2003-2007 */
/* http://publicobject.com/glazedlists/ publicobject.com,*/
/* O'Dell Engineering Ltd.*/
package ca.odell.glazedlists.impl;
import ca.odell.glazedlists.util.concurrent.Lock;
import ca.odell.glazedlists.util.concurrent.LockFactory;
import ca.odell.glazedlists.util.concurrent.ReadWriteLock;
import java.io.ObjectStreamException;
import java.io.Serializable;
/**
* A ReadWriteLock dummy implementation that's only used for Java object
* serialization. The regular lock implementations for Java 1.4 and 1.5 are
* representated by this class on the serialization stream. Upon
* deserialization on the target JVM, an appropriate lock implementation is
* reconstructed according to the capabilities of the target platform.
*
* @author Holger Brands
*/
public final class SerializedReadWriteLock implements ReadWriteLock, Serializable {
/** For versioning as a {@link Serializable} */
private static final long serialVersionUID = -8627867501684280198L;
/** {@inheritDoc} */
public Lock readLock() {
throw new UnsupportedOperationException("SerializedReadWriteLock is only used for serialization");
}
/** {@inheritDoc} */
public Lock writeLock() {
throw new UnsupportedOperationException("SerializedReadWriteLock is only used for serialization");
}
/** Recreate an appropriate lock implementation when deserialized on the target JVM. */
private Object readResolve() throws ObjectStreamException {
return LockFactory.DEFAULT.createReadWriteLock();
}
}
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