com.google.gerrit.server.change.ChangePluginDefinedInfoFactory Maven / Gradle / Ivy

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// Copyright (C) 2020 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.gerrit.server.change;

import com.google.gerrit.entities.Change;
import com.google.gerrit.extensions.common.PluginDefinedInfo;
import com.google.gerrit.server.DynamicOptions.BeanProvider;
import com.google.gerrit.server.query.change.ChangeData;
import java.util.Collection;
import java.util.Map;

/**
 * Interface for plugins to provide additional fields in {@link
 * com.google.gerrit.extensions.common.ChangeInfo ChangeInfo}.
 *
 * Register a {@code ChangePluginDefinedInfoFactory} in a plugin {@code Module} like this:
 *
 * 
 * DynamicSet.bind(binder(), ChangePluginDefinedInfoFactory.class).to(YourClass.class);
 * 
 *
 * See the 
 * plugin developer documentation for more details and examples.
 */
public interface ChangePluginDefinedInfoFactory {

  /**
   * Create a plugin-provided info field for each of the provided {@link ChangeData}s.
   *
   * Typically, implementations will subclass {@code PluginDefinedInfo} to add additional fields.
   *
   * @param cds changes.
   * @param beanProvider provider of {@code DynamicBean}s, which may be used for reading options.
   * @param plugin plugin name.
   * @return map of the plugin's special info for each change
   */
  Map createPluginDefinedInfos(
      Collection cds, BeanProvider beanProvider, String plugin);
}

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