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/*
* 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.rocketmq.client.impl.consumer;
import java.util.List;
import java.util.Set;
import org.apache.rocketmq.client.consumer.AllocateMessageQueueStrategy;
import org.apache.rocketmq.client.consumer.MessageQueueListener;
import org.apache.rocketmq.client.consumer.store.ReadOffsetType;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.impl.factory.MQClientInstance;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.UtilAll;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageQueue;
import org.apache.rocketmq.common.protocol.heartbeat.ConsumeType;
import org.apache.rocketmq.common.protocol.heartbeat.MessageModel;
public class RebalanceLitePullImpl extends RebalanceImpl {
private final DefaultLitePullConsumerImpl litePullConsumerImpl;
public RebalanceLitePullImpl(DefaultLitePullConsumerImpl litePullConsumerImpl) {
this(null, null, null, null, litePullConsumerImpl);
}
public RebalanceLitePullImpl(String consumerGroup, MessageModel messageModel,
AllocateMessageQueueStrategy allocateMessageQueueStrategy,
MQClientInstance mQClientFactory, DefaultLitePullConsumerImpl litePullConsumerImpl) {
super(consumerGroup, messageModel, allocateMessageQueueStrategy, mQClientFactory);
this.litePullConsumerImpl = litePullConsumerImpl;
}
@Override
public void messageQueueChanged(String topic, Set mqAll, Set mqDivided) {
MessageQueueListener messageQueueListener = this.litePullConsumerImpl.getDefaultLitePullConsumer().getMessageQueueListener();
if (messageQueueListener != null) {
try {
messageQueueListener.messageQueueChanged(topic, mqAll, mqDivided);
} catch (Throwable e) {
log.error("messageQueueChanged exception", e);
}
}
}
@Override
public boolean removeUnnecessaryMessageQueue(MessageQueue mq, ProcessQueue pq) {
this.litePullConsumerImpl.getOffsetStore().persist(mq);
this.litePullConsumerImpl.getOffsetStore().removeOffset(mq);
return true;
}
@Override
public ConsumeType consumeType() {
return ConsumeType.CONSUME_ACTIVELY;
}
@Override
public void removeDirtyOffset(final MessageQueue mq) {
this.litePullConsumerImpl.getOffsetStore().removeOffset(mq);
}
@Deprecated
@Override
public long computePullFromWhere(MessageQueue mq) {
long result = -1L;
try {
result = computePullFromWhereWithException(mq);
} catch (MQClientException e) {
log.warn("Compute consume offset exception, mq={}", mq);
}
return result;
}
@Override
public long computePullFromWhereWithException(MessageQueue mq) throws MQClientException {
ConsumeFromWhere consumeFromWhere = litePullConsumerImpl.getDefaultLitePullConsumer().getConsumeFromWhere();
long result = -1;
switch (consumeFromWhere) {
case CONSUME_FROM_LAST_OFFSET: {
long lastOffset = litePullConsumerImpl.getOffsetStore().readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE);
if (lastOffset >= 0) {
result = lastOffset;
} else if (-1 == lastOffset) {
if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) { // First start, no offset
result = 0L;
} else {
try {
result = this.mQClientFactory.getMQAdminImpl().maxOffset(mq);
} catch (MQClientException e) {
log.warn("Compute consume offset from last offset exception, mq={}, exception={}", mq, e);
throw e;
}
}
} else {
result = -1;
}
break;
}
case CONSUME_FROM_FIRST_OFFSET: {
long lastOffset = litePullConsumerImpl.getOffsetStore().readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE);
if (lastOffset >= 0) {
result = lastOffset;
} else if (-1 == lastOffset) {
result = 0L;
} else {
result = -1;
}
break;
}
case CONSUME_FROM_TIMESTAMP: {
long lastOffset = litePullConsumerImpl.getOffsetStore().readOffset(mq, ReadOffsetType.MEMORY_FIRST_THEN_STORE);
if (lastOffset >= 0) {
result = lastOffset;
} else if (-1 == lastOffset) {
if (mq.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
try {
result = this.mQClientFactory.getMQAdminImpl().maxOffset(mq);
} catch (MQClientException e) {
log.warn("Compute consume offset from last offset exception, mq={}, exception={}", mq, e);
throw e;
}
} else {
try {
long timestamp = UtilAll.parseDate(this.litePullConsumerImpl.getDefaultLitePullConsumer().getConsumeTimestamp(),
UtilAll.YYYYMMDDHHMMSS).getTime();
result = this.mQClientFactory.getMQAdminImpl().searchOffset(mq, timestamp);
} catch (MQClientException e) {
log.warn("Compute consume offset from last offset exception, mq={}, exception={}", mq, e);
throw e;
}
}
} else {
result = -1;
}
break;
}
}
return result;
}
@Override
public void dispatchPullRequest(List pullRequestList) {
}
}
