/*
* 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.master.file.meta;
import javax.annotation.concurrent.ThreadSafe;
/**
* The persistence state of a file in the under-storage system.
*/
@ThreadSafe
public enum PersistenceState {
NOT_PERSISTED, // file not persisted in the under FS
TO_BE_PERSISTED, // the file is to be persisted in the under FS
PERSISTED, // the file is persisted in the under FS
LOST // the file is lost but not persisted in the under FS
}