src/main/java/com/google/devtools/build/lib/buildtool/buildevent/ExecutionStartingEvent.java


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// Copyright 2014 Google Inc. All rights reserved.
//
// 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.devtools.build.lib.buildtool.buildevent;

import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
import com.google.devtools.build.lib.buildtool.ExecutionTool;

import java.util.Collection;

/**
 * This event is fired from {@link ExecutionTool#executeBuild} to indicate that the execution phase
 * of the build is starting.
 */
public class ExecutionStartingEvent {
  private final Collection<TransitiveInfoCollection> targets;

  /**
   * Construct the event with a set of targets.
   * @param targets Remaining active targets.
   */
  public ExecutionStartingEvent(Collection<? extends TransitiveInfoCollection> targets) {
    this.targets = ImmutableList.copyOf(targets);
  }

  /**
   * @return The set of active targets remaining, which is a subset
   *     of the targets in the user request.
   */
  public Collection<TransitiveInfoCollection> getTargets() {
    return targets;
  }
}