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;
  
  import org.apache.kafka.streams.kstream.ValueJoinerWithKey;
  import org.apache.kafka.streams.kstream.internals.KStreamImplJoin.TimeTrackerSupplier;
  import org.apache.kafka.streams.processor.api.Processor;
  import org.apache.kafka.streams.processor.internals.StoreFactory;
  import org.apache.kafka.streams.state.internals.LeftOrRightValue;
  import org.apache.kafka.streams.state.internals.TimestampedKeyAndJoinSide;
  
  import java.util.Optional;
  
  class KStreamKStreamJoinLeftSide<K, VLeft, VRight, VOut> extends KStreamKStreamJoin<K, VLeft, VRight, VOut, VLeft, VRight> {
  
      KStreamKStreamJoinLeftSide(final JoinWindowsInternal windows,
                                 final ValueJoinerWithKey<? super K, ? super VLeft, ? super VRight, ? extends VOut> joiner,
                                 final boolean outer,
                                 final TimeTrackerSupplier sharedTimeTrackerSupplier,
                                 final StoreFactory otherWindowStoreFactory,
                                 final Optional<StoreFactory> outerJoinWindowStoreFactory) {
          super(windows, joiner, outer, windows.beforeMs, windows.afterMs,
                sharedTimeTrackerSupplier, otherWindowStoreFactory, outerJoinWindowStoreFactory);
      }
  
      @Override
      public Processor<K, VLeft, K, VOut> get() {
          return new KStreamKStreamJoinLeftProcessor();
      }
  
      private class KStreamKStreamJoinLeftProcessor extends KStreamKStreamJoinProcessor {
  
          @Override
          public TimestampedKeyAndJoinSide<K> makeThisKey(final K key, final long timestamp) {
              return TimestampedKeyAndJoinSide.makeLeft(key, timestamp);
          }
  
          @Override
          public LeftOrRightValue<VLeft, VRight> makeThisValue(final VLeft thisValue) {
              return LeftOrRightValue.makeLeftValue(thisValue);
          }
  
          @Override
          public TimestampedKeyAndJoinSide<K> makeOtherKey(final K key, final long timestamp) {
              return TimestampedKeyAndJoinSide.makeRight(key, timestamp);
          }
  
          @Override
          public VLeft thisValue(final LeftOrRightValue<? extends VLeft, ? extends VRight> leftOrRightValue) {
              return leftOrRightValue.leftValue();
          }
  
          @Override
          public VRight otherValue(final LeftOrRightValue<? extends VLeft, ? extends VRight> leftOrRightValue) {
              return leftOrRightValue.rightValue();
          }
      }
  }
  