/*
 * 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.example.openmessaging;

import io.openmessaging.Message;
import io.openmessaging.MessagingAccessPoint;
import io.openmessaging.OMS;
import io.openmessaging.OMSBuiltinKeys;
import io.openmessaging.consumer.MessageListener;
import io.openmessaging.consumer.PushConsumer;

public class SimplePushConsumer {
    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");
    }
}
