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.state.internals;
  
  import org.apache.kafka.streams.kstream.internals.Change;
  import org.apache.kafka.streams.processor.api.Record;
  
  /**
   * Listen to cache flush events
   * @param <K> key type
   * @param <V> value type
   */
  public interface CacheFlushListener<K, V> {
  
      /**
       * Called when records are flushed from the {@link ThreadCache}
       */
      void apply(final Record<K, Change<V>> record);
  }
  