/*
* 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.client;
import javax.annotation.concurrent.ThreadSafe;
/**
* Specifies the type of data interaction with Alluxio's Under Storage. This is not applicable for
* reads. Only writing temporary data is suggested to use type {@link #NO_PERSIST} where writing to
* Under Storage will be skipped and data may be lost when evicted from Alluxio storage.
*/
@ThreadSafe
public enum UnderStorageType {
/** Persist data to the under storage synchronously. */
SYNC_PERSIST(1),
/** Do not persist data to the under storage. */
NO_PERSIST(2),
/** Persist data to the under storage asynchronously. */
ASYNC_PERSIST(3),
;
private final int mValue;
UnderStorageType(int value) {
mValue = value;
}
/**
* @return whether the data should be persisted to the under storage synchronously
*/
public boolean isSyncPersist() {
return mValue == SYNC_PERSIST.mValue;
}
/**
* @return whether the data should be persisted to the under storage asynchronously
*/
public boolean isAsyncPersist() {
return mValue == ASYNC_PERSIST.mValue;
}
}