content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed 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 android.hardware.camera2.impl;
  
  /**
   * Getter interface for use with Command pattern metadata value getters.
   */
  public interface GetCommand {
  
      /**
       * Get the value from the given {@link CameraMetadataNative} object.
       *
       * @param metadata the {@link CameraMetadataNative} object to get the value from.
       * @param key the {@link CameraMetadataNative.Key} to look up.
       * @param <T> the type of the value.
       * @return the value for a given {@link CameraMetadataNative.Key}.
       */
      public <T> T getValue(CameraMetadataNative metadata, CameraMetadataNative.Key<T> key);
  }
  