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/**
* Copyright (c) 2013-2020 Nikita Koksharov
*
* 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 org.redisson;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import org.redisson.api.RBlockingDeque;
import org.redisson.api.RFuture;
import org.redisson.api.RedissonClient;
import org.redisson.client.codec.Codec;
import org.redisson.client.protocol.RedisCommands;
import org.redisson.command.CommandAsyncExecutor;
/**
* Distributed and concurrent implementation of {@link java.util.concurrent.BlockingDeque}.
*
*
Queue size limited by Redis server memory amount. This is why {@link #remainingCapacity()} always
* returns Integer.MAX_VALUE
*
* @author Nikita Koksharov
*/
public class RedissonBlockingDeque extends RedissonDeque implements RBlockingDeque {
private final RedissonBlockingQueue blockingQueue;
public RedissonBlockingDeque(CommandAsyncExecutor commandExecutor, String name, RedissonClient redisson) {
super(commandExecutor, name, redisson);
blockingQueue = new RedissonBlockingQueue(commandExecutor, name, redisson);
}
public RedissonBlockingDeque(Codec codec, CommandAsyncExecutor commandExecutor, String name, RedissonClient redisson) {
super(codec, commandExecutor, name, redisson);
blockingQueue = new RedissonBlockingQueue(codec, commandExecutor, name, redisson);
}
@Override
public RFuture putAsync(V e) {
return addAsync(e, RedisCommands.RPUSH_VOID);
}
/*
* (non-Javadoc)
* @see java.util.concurrent.BlockingQueue#put(java.lang.Object)
*/
@Override
public void put(V e) throws InterruptedException {
get(putAsync(e));
}
@Override
public boolean offer(V e, long timeout, TimeUnit unit) throws InterruptedException {
return offer(e);
}
@Override
public RFuture takeAsync() {
return blockingQueue.takeAsync();
}
/*
* (non-Javadoc)
* @see java.util.concurrent.BlockingQueue#take()
*/
@Override
public V take() throws InterruptedException {
return blockingQueue.take();
}
@Override
public RFuture pollAsync(long timeout, TimeUnit unit) {
return blockingQueue.pollAsync(timeout, unit);
}
/*
* (non-Javadoc)
* @see java.util.concurrent.BlockingQueue#poll(long, java.util.concurrent.TimeUnit)
*/
@Override
public V poll(long timeout, TimeUnit unit) throws InterruptedException {
return blockingQueue.poll(timeout, unit);
}
/*
* (non-Javadoc)
* @see org.redisson.core.RBlockingQueue#pollFromAny(long, java.util.concurrent.TimeUnit, java.lang.String[])
*/
@Override
public V pollFromAny(long timeout, TimeUnit unit, String... queueNames) throws InterruptedException {
return blockingQueue.pollFromAny(timeout, unit);
}
/*
* (non-Javadoc)
* @see org.redisson.core.RBlockingQueueAsync#pollFromAnyAsync(long, java.util.concurrent.TimeUnit, java.lang.String[])
*/
@Override
public RFuture pollFromAnyAsync(long timeout, TimeUnit unit, String... queueNames) {
return blockingQueue.pollFromAnyAsync(timeout, unit);
}
@Override
public RFuture pollLastAndOfferFirstToAsync(String queueName, long timeout, TimeUnit unit) {
return blockingQueue.pollLastAndOfferFirstToAsync(queueName, timeout, unit);
}
@Override
public V pollLastAndOfferFirstTo(String queueName, long timeout, TimeUnit unit) throws InterruptedException {
return blockingQueue.pollLastAndOfferFirstTo(queueName, timeout, unit);
}
@Override
public V takeLastAndOfferFirstTo(String queueName) throws InterruptedException {
return commandExecutor.getInterrupted(takeLastAndOfferFirstToAsync(queueName));
}
@Override
public int subscribeOnElements(Consumer consumer) {
return blockingQueue.subscribeOnElements(consumer);
}
@Override
public void unsubscribe(int id) {
blockingQueue.unsubscribe(id);
}
@Override
public RFuture takeLastAndOfferFirstToAsync(String queueName) {
return pollLastAndOfferFirstToAsync(queueName, 0, TimeUnit.SECONDS);
}
@Override
public int remainingCapacity() {
return Integer.MAX_VALUE;
}
@Override
public int drainTo(Collection c) {
return blockingQueue.drainTo(c);
}
@Override
public RFuture drainToAsync(Collection c) {
return blockingQueue.drainToAsync(c);
}
@Override
public int drainTo(Collection c, int maxElements) {
return blockingQueue.drainTo(c, maxElements);
}
@Override
public RFuture drainToAsync(Collection c, int maxElements) {
return blockingQueue.drainToAsync(c, maxElements);
}
@Override
public RFuture putFirstAsync(V e) {
return addFirstAsync(e);
}
@Override
public RFuture putLastAsync(V e) {
return addLastAsync(e);
}
@Override
public void putFirst(V e) throws InterruptedException {
addFirst(e);
}
@Override
public void putLast(V e) throws InterruptedException {
addLast(e);
}
@Override
public boolean offerFirst(V e, long timeout, TimeUnit unit) throws InterruptedException {
addFirst(e);
return true;
}
@Override
public boolean offerLast(V e, long timeout, TimeUnit unit) throws InterruptedException {
addLast(e);
return true;
}
@Override
public V takeFirst() throws InterruptedException {
return commandExecutor.getInterrupted(takeFirstAsync());
}
@Override
public RFuture takeFirstAsync() {
return takeAsync();
}
@Override
public RFuture takeLastAsync() {
return commandExecutor.writeAsync(getName(), codec, RedisCommands.BRPOP_VALUE, getName(), 0);
}
@Override
public V takeLast() throws InterruptedException {
return commandExecutor.getInterrupted(takeLastAsync());
}
@Override
public RFuture pollFirstAsync(long timeout, TimeUnit unit) {
return pollAsync(timeout, unit);
}
@Override
public V pollFirstFromAny(long timeout, TimeUnit unit, String... queueNames) throws InterruptedException {
return commandExecutor.getInterrupted(pollFirstFromAnyAsync(timeout, unit, queueNames));
}
@Override
public RFuture pollFirstFromAnyAsync(long timeout, TimeUnit unit, String... queueNames) {
return pollFromAnyAsync(timeout, unit, queueNames);
}
@Override
public V pollLastFromAny(long timeout, TimeUnit unit, String... queueNames) throws InterruptedException {
return commandExecutor.getInterrupted(pollLastFromAnyAsync(timeout, unit, queueNames));
}
@Override
public int subscribeOnFirstElements(Consumer consumer) {
return commandExecutor.getConnectionManager().getElementsSubscribeService().subscribeOnElements(this::takeFirstAsync, consumer);
}
@Override
public int subscribeOnLastElements(Consumer consumer) {
return commandExecutor.getConnectionManager().getElementsSubscribeService().subscribeOnElements(this::takeLastAsync, consumer);
}
@Override
public RFuture pollLastFromAnyAsync(long timeout, TimeUnit unit, String... queueNames) {
return commandExecutor.pollFromAnyAsync(getName(), codec, RedisCommands.BRPOP_VALUE, toSeconds(timeout, unit), queueNames);
}
@Override
public V pollFirst(long timeout, TimeUnit unit) throws InterruptedException {
return commandExecutor.getInterrupted(pollFirstAsync(timeout, unit));
}
@Override
public RFuture pollLastAsync(long timeout, TimeUnit unit) {
return commandExecutor.writeAsync(getName(), codec, RedisCommands.BRPOP_VALUE, getName(), toSeconds(timeout, unit));
}
@Override
public V pollLast(long timeout, TimeUnit unit) throws InterruptedException {
return commandExecutor.getInterrupted(pollLastAsync(timeout, unit));
}
}