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.streams.kstream.internals.graph;
  
  import org.apache.kafka.common.serialization.Serializer;
  import org.apache.kafka.streams.kstream.internals.ProducedInternal;
  import org.apache.kafka.streams.kstream.internals.WindowedSerializer;
  import org.apache.kafka.streams.kstream.internals.WindowedStreamPartitioner;
  import org.apache.kafka.streams.processor.StreamPartitioner;
  import org.apache.kafka.streams.processor.TopicNameExtractor;
  import org.apache.kafka.streams.processor.internals.InternalTopologyBuilder;
  import org.apache.kafka.streams.processor.internals.StaticTopicNameExtractor;
  
  public class StreamSinkNode<K, V> extends GraphNode {
  
      private final TopicNameExtractor<K, V> topicNameExtractor;
      private final ProducedInternal<K, V> producedInternal;
  
      public StreamSinkNode(final String nodeName,
                            final TopicNameExtractor<K, V> topicNameExtractor,
                            final ProducedInternal<K, V> producedInternal) {
  
          super(nodeName);
  
          this.topicNameExtractor = topicNameExtractor;
          this.producedInternal = producedInternal;
      }
  
  
      @Override
      public String toString() {
          return "StreamSinkNode{" +
                 "topicNameExtractor=" + topicNameExtractor +
                 ", producedInternal=" + producedInternal +
                 "} " + super.toString();
      }
  
      @Override
      @SuppressWarnings("unchecked")
      public void writeToTopology(final InternalTopologyBuilder topologyBuilder) {
          final Serializer<K> keySerializer = producedInternal.keySerde() == null ? null : producedInternal.keySerde().serializer();
          final Serializer<V> valSerializer = producedInternal.valueSerde() == null ? null : producedInternal.valueSerde().serializer();
          final String[] parentNames = parentNodeNames();
  
          final StreamPartitioner<? super K, ? super V> partitioner;
          if (producedInternal.streamPartitioner() == null && keySerializer instanceof WindowedSerializer) {
              partitioner = (StreamPartitioner<K, V>) new WindowedStreamPartitioner<K, V>((WindowedSerializer<K>) keySerializer);
          } else {
              partitioner = producedInternal.streamPartitioner();
          }
  
          if (topicNameExtractor instanceof StaticTopicNameExtractor) {
              final String topicName = ((StaticTopicNameExtractor<K, V>) topicNameExtractor).topicName;
              topologyBuilder.addSink(nodeName(), topicName, keySerializer, valSerializer, partitioner, parentNames);
          } else {
              topologyBuilder.addSink(nodeName(), topicNameExtractor, keySerializer, valSerializer, partitioner, parentNames);
          }
      }
  
  }
  