shaded.com.google.common.collect.ForwardingBlockingDeque Maven / Gradle / Ivy
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/*
* Copyright (C) 2012 The Guava Authors
*
* Licensed 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 shaded.shaded.com.google.common.collect;
import shaded.shaded.com.google.common.annotations.GwtIncompatible;
import shaded.shaded.com.google.common.annotations.J2ktIncompatible;
import java.util.Collection;
import java.util.concurrent.BlockingDeque;
import java.util.concurrent.TimeUnit;
import javax.annotation.CheckForNull;
/**
* A {@link BlockingDeque} which forwards all its method calls to another {@code BlockingDeque}.
* Subclasses should override one or more methods to modify the behavior of the backing deque as
* desired per the decorator pattern.
*
* Warning: The methods of {@code ForwardingBlockingDeque} forward indiscriminately
* to the methods of the delegate. For example, overriding {@link #add} alone will not change
* the behaviour of {@link #offer} which can lead to unexpected behaviour. In this case, you should
* override {@code offer} as well, either providing your own implementation, or delegating to the
* provided {@code standardOffer} method.
*
*
{@code default} method warning: This class does not forward calls to {@code
* default} methods. Instead, it inherits their default implementations. When those implementations
* invoke methods, they invoke methods on the {@code ForwardingBlockingDeque}.
*
*
The {@code standard} methods are not guaranteed to be thread-safe, even when all of the
* methods that they depend on are thread-safe.
*
* @author Emily Soldal
* @since 14.0
* @deprecated This class has moved to {@code shaded.shaded.com.google.common.util.concurrent}. Please use {@link
* shaded.shaded.com.google.common.util.concurrent.ForwardingBlockingDeque} instead.
*/
@Deprecated
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingBlockingDeque extends ForwardingDeque
implements BlockingDeque {
/** Constructor for use by subclasses. */
protected ForwardingBlockingDeque() {}
@Override
protected abstract BlockingDeque delegate();
@Override
public int remainingCapacity() {
return delegate().remainingCapacity();
}
@Override
public void putFirst(E e) throws InterruptedException {
delegate().putFirst(e);
}
@Override
public void putLast(E e) throws InterruptedException {
delegate().putLast(e);
}
@Override
public boolean offerFirst(E e, long timeout, TimeUnit unit) throws InterruptedException {
return delegate().offerFirst(e, timeout, unit);
}
@Override
public boolean offerLast(E e, long timeout, TimeUnit unit) throws InterruptedException {
return delegate().offerLast(e, timeout, unit);
}
@Override
public E takeFirst() throws InterruptedException {
return delegate().takeFirst();
}
@Override
public E takeLast() throws InterruptedException {
return delegate().takeLast();
}
@Override
@CheckForNull
public E pollFirst(long timeout, TimeUnit unit) throws InterruptedException {
return delegate().pollFirst(timeout, unit);
}
@Override
@CheckForNull
public E pollLast(long timeout, TimeUnit unit) throws InterruptedException {
return delegate().pollLast(timeout, unit);
}
@Override
public void put(E e) throws InterruptedException {
delegate().put(e);
}
@Override
public boolean offer(E e, long timeout, TimeUnit unit) throws InterruptedException {
return delegate().offer(e, timeout, unit);
}
@Override
public E take() throws InterruptedException {
return delegate().take();
}
@Override
@CheckForNull
public E poll(long timeout, TimeUnit unit) throws InterruptedException {
return delegate().poll(timeout, unit);
}
@Override
public int drainTo(Collection c) {
return delegate().drainTo(c);
}
@Override
public int drainTo(Collection c, int maxElements) {
return delegate().drainTo(c, maxElements);
}
}