src/main/java/com/google/android/libraries/feed/feedstore/testing/DelegatingContentStorage.java

// Copyright 2018 The Feed Authors.
//
// 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.libraries.feed.feedstore.testing;

import com.google.android.libraries.feed.api.host.storage.CommitResult;
import com.google.android.libraries.feed.api.host.storage.ContentMutation;
import com.google.android.libraries.feed.api.host.storage.ContentStorage;
import com.google.android.libraries.feed.api.host.storage.ContentStorageDirect;
import com.google.android.libraries.feed.common.Result;
import com.google.android.libraries.feed.common.functional.Consumer;
import java.util.List;
import java.util.Map;

/**
 * Delegate class allowing spying on ContentStorageDirect delegates implementing both of the storage
 * interfaces.
 */
public class DelegatingContentStorage implements ContentStorage, ContentStorageDirect {
  private final ContentStorageDirect delegate;

  public DelegatingContentStorage(ContentStorageDirect delegate) {
    this.delegate = delegate;
  }

  @Override
  public void get(List<String> keys, Consumer<Result<Map<String, byte[]>>> consumer) {
    consumer.accept(delegate.get(keys));
  }

  @Override
  public Result<Map<String, byte[]>> get(List<String> keys) {
    return delegate.get(keys);
  }

  @Override
  public void getAll(String prefix, Consumer<Result<Map<String, byte[]>>> consumer) {
    consumer.accept(delegate.getAll(prefix));
  }

  @Override
  public Result<Map<String, byte[]>> getAll(String prefix) {
    return delegate.getAll(prefix);
  }

  @Override
  public void getAllKeys(Consumer<Result<List<String>>> consumer) {
    consumer.accept(delegate.getAllKeys());
  }

  @Override
  public Result<List<String>> getAllKeys() {
    return delegate.getAllKeys();
  }

  @Override
  public void commit(ContentMutation mutation, Consumer<CommitResult> consumer) {
    consumer.accept(delegate.commit(mutation));
  }

  @Override
  public CommitResult commit(ContentMutation mutation) {
    return delegate.commit(mutation);
  }
}