clients/src/test/java/org/apache/kafka/test/MockPartitioner.java

/*
 * 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.kafka.test;

import org.apache.kafka.common.Cluster;
import org.apache.kafka.clients.producer.Partitioner;

import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

public class MockPartitioner implements Partitioner {
    public static final AtomicInteger INIT_COUNT = new AtomicInteger(0);
    public static final AtomicInteger CLOSE_COUNT = new AtomicInteger(0);

    public MockPartitioner() {
        INIT_COUNT.incrementAndGet();
    }

    @Override
    public void configure(Map<String, ?> configs) {
    }

    @Override
    public int partition(String topic, Object key, byte[] keyBytes, Object value, byte[] valueBytes, Cluster cluster) {
        return 0;
    }

    @Override
    public void close() {
        CLOSE_COUNT.incrementAndGet();
    }
    
    public static void resetCounters() {
        INIT_COUNT.set(0);
        CLOSE_COUNT.set(0);
    }
}