/*
 * Copyright 2012-present Facebook, Inc.
 *
 * 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.facebook.buck.rules;

/**
 * Base class for all build events. Using this makes it easy to add a wildcard listener
 * to the event bus.
 */
public abstract class BuildEvent {

  private final long timestamp;

  public BuildEvent() {
    timestamp = System.currentTimeMillis();
  }

  public long getTimestamp() {
    return timestamp;
  }

  public String toLogMessage() {
    return toString();
  }
}