本文整理匯總了Java中org.apache.rocketmq.client.consumer.PullTaskCallback類的典型用法代碼示例。如果您正苦於以下問題：Java PullTaskCallback類的具體用法？Java PullTaskCallback怎麽用？Java PullTaskCallback使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
PullTaskCallback類屬於org.apache.rocketmq.client.consumer包，在下文中一共展示了PullTaskCallback類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: main
import org.apache.rocketmq.client.consumer.PullTaskCallback; //導入依賴的package包/類
public static void main(String[] args) throws MQClientException {
final MQPullConsumerScheduleService scheduleService = new MQPullConsumerScheduleService("GroupName1");
scheduleService.setMessageModel(MessageModel.CLUSTERING);
scheduleService.registerPullTaskCallback("TopicTest1", new PullTaskCallback() {
@Override
public void doPullTask(MessageQueue mq, PullTaskContext context) {
MQPullConsumer consumer = context.getPullConsumer();
try {
long offset = consumer.fetchConsumeOffset(mq, false);
if (offset < 0)
offset = 0;
PullResult pullResult = consumer.pull(mq, "*", offset, 32);
System.out.printf("%s%n", offset + "\t" + mq + "\t" + pullResult);
switch (pullResult.getPullStatus()) {
case FOUND:
break;
case NO_MATCHED_MSG:
break;
case NO_NEW_MSG:
case OFFSET_ILLEGAL:
break;
default:
break;
}
consumer.updateConsumeOffset(mq, pullResult.getNextBeginOffset());
context.setPullNextDelayTimeMillis(100);
} catch (Exception e) {
e.printStackTrace();
}
}
});
scheduleService.start();
}
示例2: registerPullTaskCallback
import org.apache.rocketmq.client.consumer.PullTaskCallback; //導入依賴的package包/類
private void registerPullTaskCallback() {
this.pullConsumerScheduleService.registerPullTaskCallback(targetQueueName, new PullTaskCallback() {
@Override
public void doPullTask(final MessageQueue mq, final PullTaskContext context) {
MQPullConsumer consumer = context.getPullConsumer();
try {
long offset = localMessageCache.nextPullOffset(mq);
PullResult pullResult = consumer.pull(mq, "*",
offset, localMessageCache.nextPullBatchNums());
ProcessQueue pq = rocketmqPullConsumer.getDefaultMQPullConsumerImpl().getRebalanceImpl()
.getProcessQueueTable().get(mq);
switch (pullResult.getPullStatus()) {
case FOUND:
if (pq != null) {
pq.putMessage(pullResult.getMsgFoundList());
for (final MessageExt messageExt : pullResult.getMsgFoundList()) {
localMessageCache.submitConsumeRequest(new ConsumeRequest(messageExt, mq, pq));
}
}
break;
default:
break;
}
localMessageCache.updatePullOffset(mq, pullResult.getNextBeginOffset());
} catch (Exception e) {
log.error("A error occurred in pull message process.", e);
}
}
});
}