/*
 * Copyright 2018 LinkedIn Corp.
 *
 * 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 azkaban.dag;

import java.util.concurrent.CountDownLatch;

public class TestDagProcessor implements DagProcessor {

  private final StatusChangeRecorder statusChangeRecorder;
  private final CountDownLatch dagFinishedLatch;


  TestDagProcessor(final CountDownLatch dagFinishedLatch,
      final StatusChangeRecorder statusChangeRecorder) {
    this.dagFinishedLatch = dagFinishedLatch;
    this.statusChangeRecorder = statusChangeRecorder;
  }

  @Override
  public void changeStatus(final Dag dag, final Status status) {
    System.out.println(dag);
    this.statusChangeRecorder.recordDag(dag);
    if (status.isTerminal()) {
      this.dagFinishedLatch.countDown();
    }
  }
}
