/* * 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; } }