/*
 * Copyright 2000-2006 JetBrains s.r.o.
 *
 * 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 jetbrains.communicator.util;

/**
 * @author Kir Maximov
 */
public abstract class WaitFor {

  protected WaitFor() {
    this(60 * 1000);
  }

  protected WaitFor(long timeout) {
    long started = System.currentTimeMillis();
    try {
      //noinspection AbstractMethodCallInConstructor
      while(!condition() && (System.currentTimeMillis() - started < timeout)) {
        //noinspection BusyWait
        Thread.sleep(10);
      }
    }
    catch(InterruptedException e) {
      // ignore
    }
  }

  protected abstract boolean condition();
}