slider-core/src/test/java/org/apache/slider/server/services/workflow/SimpleRunnable.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.slider.server.services.workflow;

/**
 * Test runnable that can be made to exit, or throw an exception
 * during its run
 */
class SimpleRunnable implements Runnable {
  boolean throwException = false;


  SimpleRunnable() {
  }

  SimpleRunnable(boolean throwException) {
    this.throwException = throwException;
  }

  @Override
  public synchronized void run() {
    try {
      if (throwException) {
        throw new RuntimeException("SimpleRunnable");
      }
    } finally {
      this.notify();
    }
  }
}