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.builder;
  
  import java.util.Map;
  
  import org.janusgraph.diskstorage.StaticBuffer;
  
  import com.amazonaws.services.dynamodbv2.model.AttributeValue;
  
  /**
   * KeyBuilder is responsible for extracting constant string attribute names from
   * DynamoDB item maps.
   *
   * @author Matthew Sowders
   *
   */
  public class KeyBuilder extends AbstractBuilder {
  
      private final Map<String, AttributeValue> item;
  
      public KeyBuilder(final Map<String, AttributeValue> item) {
          this.item = item;
      }
  
      public StaticBuffer build(final String name) {
          return decodeKey(item, name);
      }
  }
  