content: /*
   * Copyright 2014-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License").
   * You may not use this file except in compliance with the License.
   * A copy of the License is located at
   *
   *  http://aws.amazon.com/apache2.0
   *
   * or in the "license" file accompanying this file. This file 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 com.amazon.janusgraph.diskstorage.dynamodb;
  
  import java.util.Collection;
  import java.util.Map;
  
  import org.janusgraph.diskstorage.BackendException;
  import org.janusgraph.diskstorage.StaticBuffer;
  import org.janusgraph.diskstorage.keycolumnvalue.KCVMutation;
  import org.janusgraph.diskstorage.util.MetricInstrumentedStore;
  
  import com.amazon.janusgraph.diskstorage.dynamodb.mutation.MutateWorker;
  
  /**
   * Proxies another store to centralize metrics gathering.
   *
   * @author Matthew Sowders
   *
   */
  public class MetricStore extends MetricInstrumentedStore implements AwsStore {
      private final AwsStore delegate;
  
      MetricStore(final AwsStore delegate) {
          super(delegate, delegate.getTableName());
          this.delegate = delegate;
      }
  
      @Override
      public void deleteStore() throws BackendException {
          delegate.deleteStore();
      }
  
      @Override
      public void ensureStore() throws BackendException {
          delegate.ensureStore();
      }
  
      @Override
      public String getTableName() {
          return delegate.getTableName();
      }
  
      @Override
      public Collection<MutateWorker> createMutationWorkers(final Map<StaticBuffer, KCVMutation> mutationMap, final DynamoDbStoreTransaction txh) {
          return delegate.createMutationWorkers(mutationMap, txh);
      }
  }
  