SampleConsumer.java

/**
 * Copyright 2016 Yahoo Inc.
 *
 * Licensed 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 com.yahoo.pulsar.client.tutorial;

import com.yahoo.pulsar.client.api.Consumer;
import com.yahoo.pulsar.client.api.Message;
import com.yahoo.pulsar.client.api.PulsarClient;
import com.yahoo.pulsar.client.api.PulsarClientException;

public class SampleConsumer {
    public static void main(String[] args) throws PulsarClientException, InterruptedException {
        PulsarClient pulsarClient = PulsarClient.create("http://localhost:8080");

        Consumer consumer = pulsarClient.subscribe("persistent://my-property/use/my-ns/my-topic", "my-subscriber-name");
        Message msg = null;

        for (int i = 0; i < 100; i++) {
            msg = consumer.receive();
            // do something
            System.out.println("Received: " + new String(msg.getData()));
        }

        // Acknowledge the consumption of all messages at once
        consumer.acknowledge(msg);
        pulsarClient.close();
    }
}