/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.worker.block;
import javax.annotation.concurrent.ThreadSafe;
/**
* A read-write lock to guard one block. There should be only one lock per block.
*/
@ThreadSafe
public enum BlockLockType {
READ(0), // A read lock
WRITE(1), // A write lock
;
private final int mValue;
BlockLockType(int value) {
mValue = value;
}
/**
* @return the value
*/
public int getValue() {
return mValue;
}
}