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.processor.api.ProcessorContext;
  import org.apache.kafka.streams.state.ValueAndTimestamp;
  import org.apache.kafka.streams.state.internals.KeyValueStoreWrapper;
  
  public class KTableSourceValueGetterSupplier<K, V> implements KTableValueGetterSupplier<K, V> {
      private final String storeName;
  
      public KTableSourceValueGetterSupplier(final String storeName) {
          this.storeName = storeName;
      }
  
      public KTableValueGetter<K, V> get() {
          return new KTableSourceValueGetter();
      }
  
      @Override
      public String[] storeNames() {
          return new String[]{storeName};
      }
  
      private class KTableSourceValueGetter implements KTableValueGetter<K, V> {
          private KeyValueStoreWrapper<K, V> store;
  
          public void init(final ProcessorContext<?, ?> context) {
              store = new KeyValueStoreWrapper<>(context, storeName);
          }
  
          public ValueAndTimestamp<V> get(final K key) {
              return store.get(key);
          }
  
          @Override
          public ValueAndTimestamp<V> get(final K key, final long asOfTimestamp) {
              return store.get(key, asOfTimestamp);
          }
  
          @Override
          public boolean isVersioned() {
              return store.isVersionedStore();
          }
      }
  }
  