/* * 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.resource; import java.io.Closeable; /** * A {@code CloseableResource<T>} is a wrapper around a resource of type {@code T} which must do * some sort of cleanup when it is no longer in use. * * @param <T> the type of the wrapped resource */ public abstract class CloseableResource<T> implements Closeable { private T mResource; /** * Creates a {@link CloseableResource} wrapper around the given resource. This resource will * be returned by the {@link CloseableResource#get()} method. * * @param resource the resource to wrap */ public CloseableResource(T resource) { mResource = resource; } /** * @return the resource */ public T get() { return mResource; } /** * Performs any cleanup operations necessary when the resource is no longer in use. */ @Override public abstract void close(); }