/**
* 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.tajo.common;
public class Sleeper {
private long before;
private long cur;
public Sleeper() {
before = -1;
}
public void sleep(long time) throws InterruptedException {
long sleeptime;
cur = System.currentTimeMillis();
if (before == -1) {
sleeptime = time;
} else {
sleeptime = time - (cur - before);
}
if (sleeptime > 0) {
Thread.sleep(sleeptime);
}
before = System.currentTimeMillis();
}
}