io.openmessaging.consumer.PushConsumer Java Examples

@Override
public PushConsumer attachQueue(final String queueName, final MessageListener listener) {
    this.subscribeTable.put(queueName, listener);
    try {
        this.rocketmqPushConsumer.subscribe(queueName, "*");
    } catch (MQClientException e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer can't attach to %s.", queueName));
    }
    return this;
}
 

public static void main(String[] args) {
    final MessagingAccessPoint messagingAccessPoint = OMS
        .getMessagingAccessPoint("oms:rocketmq://localhost:9876/default:default");

    final PushConsumer consumer = messagingAccessPoint.
        createPushConsumer(OMS.newKeyValue().put(OMSBuiltinKeys.CONSUMER_ID, "OMS_CONSUMER"));

    messagingAccessPoint.startup();
    System.out.printf("MessagingAccessPoint startup OK%n");

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override
        public void run() {
            consumer.shutdown();
            messagingAccessPoint.shutdown();
        }
    }));

    consumer.attachQueue("OMS_HELLO_TOPIC", new MessageListener() {
        @Override
        public void onReceived(Message message, Context context) {
            System.out.printf("Received one message: %s%n", message.sysHeaders().getString(Message.BuiltinKeys.MESSAGE_ID));
            context.ack();
        }
    });

    consumer.startup();
    System.out.printf("Consumer startup OK%n");
}
 

@Override
public PushConsumer detachQueue(String queueName) {
    this.subscribeTable.remove(queueName);
    try {
        this.rocketmqPushConsumer.unsubscribe(queueName);
    } catch (Exception e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer fails to unsubscribe topic: %s", queueName));
    }
    return null;
}
 

@Override
public PushConsumer detachQueue(String queueName) {
    this.subscribeTable.remove(queueName);
    try {
        this.rocketmqPushConsumer.unsubscribe(queueName);
    } catch (Exception e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer fails to unsubscribe topic: %s", queueName));
    }
    return null;
}
 

public static void main(String[] args) {
    final MessagingAccessPoint messagingAccessPoint = OMS
        .getMessagingAccessPoint("oms:rocketmq://localhost:9876/default:default");

    final PushConsumer consumer = messagingAccessPoint.
        createPushConsumer(OMS.newKeyValue().put(OMSBuiltinKeys.CONSUMER_ID, "OMS_CONSUMER"));

    messagingAccessPoint.startup();
    System.out.printf("MessagingAccessPoint startup OK%n");

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override
        public void run() {
            consumer.shutdown();
            messagingAccessPoint.shutdown();
        }
    }));

    consumer.attachQueue("OMS_HELLO_TOPIC", new MessageListener() {
        @Override
        public void onReceived(Message message, Context context) {
            System.out.printf("Received one message: %s%n", message.sysHeaders().getString(Message.BuiltinKeys.MESSAGE_ID));
            context.ack();
        }
    });

    consumer.startup();
    System.out.printf("Consumer startup OK%n");
}
 

@Override
public PushConsumer attachQueue(final String queueName, final MessageListener listener) {
    this.subscribeTable.put(queueName, listener);
    try {
        this.rocketmqPushConsumer.subscribe(queueName, "*");
    } catch (MQClientException e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer can't attach to %s.", queueName));
    }
    return this;
}
 

@Override
public PushConsumer detachQueue(String queueName) {
    this.subscribeTable.remove(queueName);
    try {
        this.rocketmqPushConsumer.unsubscribe(queueName);
    } catch (Exception e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer fails to unsubscribe topic: %s", queueName));
    }
    return null;
}
 

@Override
public PushConsumer attachQueue(final String queueName, final MessageListener listener) {
    this.subscribeTable.put(queueName, listener);
    try {
        this.rocketmqPushConsumer.subscribe(queueName, "*");
    } catch (MQClientException e) {
        throw new OMSRuntimeException("-1", String.format("RocketMQ push consumer can't attach to %s.", queueName));
    }
    return this;
}
 

public static void main(String[] args) {
    final MessagingAccessPoint messagingAccessPoint = OMS
        .getMessagingAccessPoint("oms:rocketmq://localhost:9876/default:default");

    final PushConsumer consumer = messagingAccessPoint.
        createPushConsumer(OMS.newKeyValue().put(OMSBuiltinKeys.CONSUMER_ID, "OMS_CONSUMER"));

    messagingAccessPoint.startup();
    System.out.printf("MessagingAccessPoint startup OK%n");

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override
        public void run() {
            consumer.shutdown();
            messagingAccessPoint.shutdown();
        }
    }));

    consumer.attachQueue("OMS_HELLO_TOPIC", new MessageListener() {
        @Override
        public void onReceived(Message message, Context context) {
            System.out.printf("Received one message: %s%n", message.sysHeaders().getString(Message.BuiltinKeys.MESSAGE_ID));
            context.ack();
        }
    });

    consumer.startup();
    System.out.printf("Consumer startup OK%n");
}
 

public static void main(String[] args) {
    //Load and start the vendor implementation from a specific OMS driver URL.
    final MessagingAccessPoint messagingAccessPoint =
        OMS.getMessagingAccessPoint("oms:rocketmq://localhost:10911/us-east");

    //Fetch a ResourceManager to create Queue resource.
    ResourceManager resourceManager = messagingAccessPoint.resourceManager();
    resourceManager.createNamespace("NS://XXXX");
    final PushConsumer consumer = messagingAccessPoint.createPushConsumer();
    consumer.start();

    //Register a shutdown hook to close the opened endpoints.
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override
        public void run() {
            consumer.stop();
        }
    }));

    //Consume messages from a simple queue.
    String simpleQueue = "NS://HELLO_QUEUE";
    resourceManager.createQueue(simpleQueue);
    //This queue doesn't has a source queue, so only the message delivered to the queue directly can
    //be consumed by this consumer.
    consumer.bindQueue(Arrays.asList(simpleQueue), new MessageListener() {
        @Override
        public void onReceived(Message message, Context context) {
            System.out.println("Received one message: " + message);
            context.ack();
        }

    });

    consumer.unbindQueue(Arrays.asList(simpleQueue));

    consumer.stop();
}
 

@Override
public PushConsumer createPushConsumer(KeyValue properties) {
    return new PushConsumerImpl(OMSUtil.buildKeyValue(this.accessPointProperties, properties));
}
 

@Override
public PushConsumer createPushConsumer() {
    return new PushConsumerImpl(accessPointProperties);
}
 

@Override
public PushConsumer attachQueue(String queueName, MessageListener listener, KeyValue attributes) {
    return this.attachQueue(queueName, listener);
}
 

@Override
public PushConsumer createPushConsumer(KeyValue attributes) {
    return null;
}
 

@Override
public PushConsumer createPushConsumer() {
    return null;
}
 

@Override
public PushConsumer createPushConsumer(KeyValue properties) {
    return new PushConsumerImpl(OMSUtil.buildKeyValue(this.accessPointProperties, properties));
}
 

@Override
public PushConsumer createPushConsumer() {
    return new PushConsumerImpl(accessPointProperties);
}
 

@Override
public PushConsumer attachQueue(String queueName, MessageListener listener, KeyValue attributes) {
    return this.attachQueue(queueName, listener);
}
 

@Override
public PushConsumer createPushConsumer(KeyValue properties) {
    return new PushConsumerImpl(OMSUtil.buildKeyValue(this.accessPointProperties, properties));
}
 

@Override
public PushConsumer createPushConsumer() {
    return new PushConsumerImpl(accessPointProperties);
}
 

@Override
public PushConsumer attachQueue(String queueName, MessageListener listener, KeyValue attributes) {
    return this.attachQueue(queueName, listener);
}
 

/**
 * Creates a new {@code PushConsumer} for the specified {@code MessagingAccessPoint} with some preset attributes.
 *
 * @param attributes the preset attributes
 * @return the created {@code PushConsumer}
 * @throws OMSRuntimeException if the {@code MessagingAccessPoint} fails to handle this request
 * due to some internal error
 */
PushConsumer createPushConsumer(KeyValue attributes);
 

/**
 * Creates a new {@code PushConsumer} for the specified {@code MessagingAccessPoint}.
 * The returned {@code PushConsumer} isn't attached to any queue,
 * uses {@link PushConsumer#bindQueue(Collection, MessageListener)} to attach queues.
 *
 * @return the created {@code PushConsumer}
 * @throws OMSRuntimeException if the {@code MessagingAccessPoint} fails to handle this request
 * due to some internal error
 */
PushConsumer createPushConsumer();