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The Adobe Experience Manager SDK

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/*
 * Copyright (C) 2010 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 com.google.common.util.concurrent;

import com.google.common.collect.ForwardingQueue;
import java.util.Collection;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;

/**
 *  A {@link BlockingQueue} which forwards all its method calls to another
 *  {@link BlockingQueue}. Subclasses should override one or more methods to
 *  modify the behavior of the backing collection as desired per the decorator pattern.
 *
 *  @author Raimundo Mirisola
 *
 *  @param  the type of elements held in this collection
 *  @since 4.0
 *
 * @deprecated The Google Guava Core Libraries are deprecated and will not be part of the AEM SDK after April 2023
 */
@Deprecated(since = "2022-12-01")
public abstract class ForwardingBlockingQueue extends ForwardingQueue implements BlockingQueue {

    /**
     * Constructor for use by subclasses.
     */
    protected ForwardingBlockingQueue() {
    }

    @Override
    protected abstract BlockingQueue delegate();

    @Override
    public int drainTo(Collection c, int maxElements) {
        return delegate().drainTo(c, maxElements);
    }

    @Override
    public int drainTo(Collection c) {
        return delegate().drainTo(c);
    }

    @Override
    public boolean offer(E e, long timeout, TimeUnit unit) throws InterruptedException {
        return delegate().offer(e, timeout, unit);
    }

    @Override
    public E poll(long timeout, TimeUnit unit) throws InterruptedException {
        return delegate().poll(timeout, unit);
    }

    @Override
    public void put(E e) throws InterruptedException {
        delegate().put(e);
    }

    @Override
    public int remainingCapacity() {
        return delegate().remainingCapacity();
    }

    @Override
    public E take() throws InterruptedException {
        return delegate().take();
    }
}