Package com.taobao.metamorphosis.client.consumer

Examples of com.taobao.metamorphosis.client.consumer.MessageConsumer

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    config.setZkConfig(zkConfig);
    MetaMessageSessionFactory factory = new MetaMessageSessionFactory(config);
    String topic = "test";
    String group = "pingwei";
    ConsumerConfig consumerConfig = new ConsumerConfig(group);
    MessageConsumer consumer = factory.createConsumer(consumerConfig);
    consumer.subscribe(topic, 1024*1024, new MessageListener() {
     
      public void recieveMessages(Message message) {
        System.out.println("receive message " + new String(message.getData()));
      }
     
      public Executor getExecutor() {
        return null;
      }
    });
    consumer.completeSubscribe();
  }
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        final String group = "meta-example";
        // create consumer,ǿ�ҽ���ʹ�õ���
        ConsumerConfig consumerConfig = new ConsumerConfig(group);
        // Ĭ������ȡ�ӳ�Ϊ5�룬�������ó�100���룬�����ʵ��Ӧ��Ҫ�������á�
        consumerConfig.setMaxDelayFetchTimeInMills(100);
        final MessageConsumer consumer = sessionFactory.createConsumer(consumerConfig);
        // subscribe topic
        consumer.subscribe(topic, 1024 * 1024, new MessageListener() {

            @Override
            public void recieveMessages(final Message message) {
                System.out.println("Receive message " + new String(message.getData()));
            }


            @Override
            public Executor getExecutor() {
                // Thread pool to process messages,maybe null.
                return null;
            }
        });
        // complete subscribe
        consumer.completeSubscribe();

    }
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    }


    @Override
    public TopicBrowser createTopicBrowser(String topic, int maxSize, long timeout, TimeUnit timeUnit) {
        MessageConsumer consumer = this.createConsumer(new ConsumerConfig("Just_for_Browser"));
        return new MetaTopicBrowser(topic, maxSize, TimeUnit.MILLISECONDS.convert(timeout, timeUnit), consumer,
            this.getPartitionsForTopic(topic));
    }
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        this.defaultMessageListener = defaultMessageListener;
    }


    protected MessageConsumer getMessageConsumer(MetaqTopic topic) throws MetaClientException {
        MessageConsumer consumer = this.getMessageConsumer0(topic);
        if (this.rejectConsumptionHandler != null) {
            consumer.setRejectConsumptionHandler(this.rejectConsumptionHandler);
        }
        return consumer;
    }
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        else {
            if (this.defaultMessageListener != null || this.defaultTopic != null) {
                throw new IllegalStateException(
                        "You can't provide default topic or message listener when not sharing consumer.");
            }
            MessageConsumer consumer = this.messageSessionFactory.createConsumer(topic.getConsumerConfig());
            this.consumers.add(consumer);
            return consumer;
        }
    }
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                    throw new IllegalArgumentException("Topic is null");
                }
                if (StringUtils.isBlank(topic.getTopic())) {
                    throw new IllegalArgumentException("Blank topic");
                }
                MessageConsumer consumer = this.getMessageConsumer(topic);
                if (consumer == null) {
                    throw new IllegalStateException("Get or create consumer failed");
                }
                log.info("Subscribe topic=" + topic.getTopic() + " with group=" + topic.getGroup());
                if (listener.getMessageBodyConverter() == null) {
                    listener.setMessageBodyConverter(this.messageBodyConverter);
                }
                consumer.subscribe(topic.getTopic(), topic.getMaxBufferSize(), listener);
                consumers.add(consumer);
            }
            for (MessageConsumer consumer : consumers) {
                consumer.completeSubscribe();
            }
        }
        log.info("Initialize message listener container successfully.");
    }
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Related Classes of com.taobao.metamorphosis.client.consumer.MessageConsumer

  • com.taobao.meta.test.OneProducerTenConsumerOneGroupTest
  • com.taobao.metamorphosis.client.extension.spring.MessageListenerContainer
  • com.taobao.metamorphosis.client.MetaMessageSessionFactory
  • com.taobao.metamorphosis.client.MetaMessageSessionFactoryUnitTest
  • com.taobao.metamorphosis.example.AsyncConsumer
  • com.taobao.metamorphosis.example.BroadcastAsyncConsumer
  • com.taobao.metamorphosis.example.cache.AsyncConsumer
  • com.taobao.metamorphosis.example.SyncConsumer
  • com.taobao.metamorphosis.example.TransactionalConsumer
  • com.taobao.metamorphosis.tools.query.test.MessageConsumerTest
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