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Merge pull request #132 from ni-ze/replaceDB
[RIP-35] Use rocketmq instead of mysql as state store
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103 changes: 0 additions & 103 deletions
103
...mq-streams-channel-rocketmq/src/main/java/org/apache/rocketmq/streams/RocketMQOffset.java
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80 changes: 80 additions & 0 deletions
80
...l-rocketmq/src/main/java/org/apache/rocketmq/streams/source/MessageListenerDelegator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package org.apache.rocketmq.streams.source; | ||
| /* | ||
| * 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. | ||
| */ | ||
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| import org.apache.rocketmq.client.consumer.MessageQueueListener; | ||
| import org.apache.rocketmq.common.message.MessageQueue; | ||
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| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import java.util.concurrent.locks.ReentrantLock; | ||
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| public class MessageListenerDelegator implements MessageQueueListener { | ||
| private final MessageQueueListener delegator; | ||
| private final Set<MessageQueue> lastDivided = new HashSet<>(); | ||
| private final Set<MessageQueue> removingQueue = new HashSet<>(); | ||
| private final AtomicBoolean needSync = new AtomicBoolean(false); | ||
| private final Object mutex = new Object(); | ||
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| public MessageListenerDelegator(MessageQueueListener delegator) { | ||
| this.delegator = delegator; | ||
| } | ||
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| @Override | ||
| public void messageQueueChanged(String topic, Set<MessageQueue> mqAll, Set<MessageQueue> mqDivided) { | ||
| //上一次分配有，但是这一次没有,需要对这些mq进行状态移除 | ||
| for (MessageQueue last : lastDivided) { | ||
| if (!mqDivided.contains(last)) { | ||
| removingQueue.add(last); | ||
| } | ||
| } | ||
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| this.lastDivided.clear(); | ||
| this.lastDivided.addAll(mqDivided); | ||
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| needSync.set(true); | ||
| delegator.messageQueueChanged(topic, mqAll, mqDivided); | ||
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| synchronized (this.mutex) { | ||
| this.mutex.notifyAll(); | ||
| } | ||
| } | ||
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| public Set<MessageQueue> getLastDivided() { | ||
| return Collections.unmodifiableSet(this.lastDivided); | ||
| } | ||
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| public Set<MessageQueue> getRemovingQueue() { | ||
| return Collections.unmodifiableSet(this.removingQueue); | ||
| } | ||
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| public boolean needSync() { | ||
| return this.needSync.get(); | ||
| } | ||
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| public void hasSynchronized() { | ||
| this.needSync.set(false); | ||
| } | ||
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| public Object getMutex() { | ||
| return mutex; | ||
| } | ||
| } |
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