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 * 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
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 */
package org.apache.pulsar.client.tutorial;

import com.fasterxml.jackson.core.JsonProcessingException;
import org.apache.pulsar.client.api.Consumer;
import org.apache.pulsar.client.api.Message;
import org.apache.pulsar.client.api.PulsarClient;
import org.apache.pulsar.client.api.PulsarClientException;
import org.apache.pulsar.client.api.schema.SchemaDefinition;
import org.apache.pulsar.client.impl.schema.JSONSchema;

public class SampleConsumerWithSchema {
    public static void main(String[] args) throws PulsarClientException, JsonProcessingException {

        PulsarClient pulsarClient = PulsarClient.builder().serviceUrl("http://localhost:8080").build();

        Consumer<JsonPojo> consumer = pulsarClient.newConsumer(JSONSchema.of
                (SchemaDefinition.<JsonPojo>builder().withPojo(JsonPojo.class).build())) //
                .topic("persistent://my-property/use/my-ns/my-topic") //
                .subscriptionName("my-subscription-name").subscribe();

        Message<JsonPojo> msg = null;

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

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