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Diffstat (limited to 'src/main/java/org/apache/commons/lang3/concurrent/AbstractFutureProxy.java')
-rw-r--r-- | src/main/java/org/apache/commons/lang3/concurrent/AbstractFutureProxy.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/lang3/concurrent/AbstractFutureProxy.java b/src/main/java/org/apache/commons/lang3/concurrent/AbstractFutureProxy.java new file mode 100644 index 000000000..45ae4bd74 --- /dev/null +++ b/src/main/java/org/apache/commons/lang3/concurrent/AbstractFutureProxy.java @@ -0,0 +1,78 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.commons.lang3.concurrent; + +import java.util.Objects; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.Future; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.TimeoutException; + +/** + * Proxies to a {@link Future} for subclassing. + * + * @param <V> The result type returned by this Future's {@link #get()} and {@link #get(long, TimeUnit)} methods. + * @since 3.13.0 + */ +public abstract class AbstractFutureProxy<V> implements Future<V> { + + private final Future<V> future; + + /** + * Constructs a new instance. + * + * @param future the delegate. + */ + public AbstractFutureProxy(final Future<V> future) { + this.future = Objects.requireNonNull(future, "future"); + } + + @Override + public boolean cancel(final boolean mayInterruptIfRunning) { + return future.cancel(mayInterruptIfRunning); + } + + @Override + public V get() throws InterruptedException, ExecutionException { + return future.get(); + } + + @Override + public V get(final long timeout, final TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { + return future.get(timeout, unit); + } + + /** + * Gets the delegate. + * + * @return the delegate. + */ + public Future<V> getFuture() { + return future; + } + + @Override + public boolean isCancelled() { + return future.isCancelled(); + } + + @Override + public boolean isDone() { + return future.isDone(); + } + +} |