content: /*
   * 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.serialization.Deserializer;
  import org.apache.kafka.streams.processor.api.Record;
  import org.apache.kafka.streams.processor.internals.InternalProcessorContext;
  import org.apache.kafka.streams.processor.internals.SourceNode;
  
  import java.util.ArrayList;
  import java.util.concurrent.atomic.AtomicInteger;
  
  public class MockSourceNode<KIn, VIn> extends SourceNode<KIn, VIn> {
  
      private static final String NAME = "MOCK-SOURCE-";
      private static final AtomicInteger INDEX = new AtomicInteger(1);
  
      public int numReceived = 0;
      public final ArrayList<KIn> keys = new ArrayList<>();
      public final ArrayList<VIn> values = new ArrayList<>();
      public boolean initialized;
      public boolean closed;
  
      public MockSourceNode(final Deserializer<KIn> keyDeserializer, final Deserializer<VIn> valDeserializer) {
          super(NAME + INDEX.getAndIncrement(), keyDeserializer, valDeserializer);
      }
  
      @Override
      public void process(final Record<KIn, VIn> record) {
          numReceived++;
          keys.add(record.key());
          values.add(record.value());
      }
  
      @Override
      public void init(final InternalProcessorContext<KIn, VIn> context) {
          super.init(context);
          initialized = true;
      }
  
      @Override
      public void close() {
          super.close();
          closed = true;
      }
  }
  