content: /*
   * Copyright (C) 2017 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 com.google.android.apps.common.testing.broker;
  
  /**
   * Make your device brokers pretty with this one interface.
   *
   * <p>Decorators are applied in an *arbitrary* order to the @SelectedBroker that the
   * DeviceBrokerModule binds.
   */
  interface DeviceBrokerDecorator {
  
    /** Wrap the provided device broker with some crosscutting behaviour. */
    public DeviceBroker decorate(DeviceBroker needsSomeStyle);
  
    /** An advanced implementation of the DeviceBrokerDecorator. */
    final class NoOpDecorator implements DeviceBrokerDecorator {
  
      @Override
      public DeviceBroker decorate(DeviceBroker needsSomeStyle) {
        return needsSomeStyle;
      }
    }
  }
  