com.google.appengine.api.datastore.PostLoadFuture Maven / Gradle / Ivy

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API for Google App Engine standard environment with some of the dependencies shaded (repackaged)

There is a newer version: 2.0.27

/*
 * Copyright 2021 Google LLC
 *
 * 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
 *
 *     https://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.appengine.api.datastore;

import com.google.common.collect.Lists;
import java.util.Map;
import java.util.concurrent.Future;

/**
 * {@link PostOpFuture} implementation that invokes PostLoad callbacks.
 *
 */
class PostLoadFuture extends PostOpFuture> {
  private final CurrentTransactionProvider txnProvider;

  PostLoadFuture(
      Future> delegate,
      DatastoreCallbacks callbacks,
      CurrentTransactionProvider txnProvider) {
    super(delegate, callbacks);
    this.txnProvider = txnProvider;
  }

  @Override
  void executeCallbacks(Map result) {
    PostLoadContext postGetContext =
        new PostLoadContext(txnProvider, Lists.newArrayList(result.values()));
    datastoreCallbacks.executePostLoadCallbacks(postGetContext);
  }
}