org.apache.qpid.transport.util.Waiter Maven / Gradle / Ivy
/*
*
* 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.qpid.transport.util;
/**
* Waiter
*
*/
public final class Waiter
{
private final Object lock;
private final long timeout;
private final long start;
private long elapsed;
public Waiter(Object lock, long timeout)
{
this.lock = lock;
this.timeout = timeout;
this.start = System.currentTimeMillis();
this.elapsed = 0;
}
public boolean hasTime()
{
return elapsed < timeout;
}
public void await()
{
try
{
lock.wait(timeout - elapsed);
}
catch (InterruptedException e)
{
// pass
}
elapsed = System.currentTimeMillis() - start;
}
}