/*
* Copyright 1999-2006 University of Chicago
*
* 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 org.dcache.ftp.client.dc;
public abstract class Task
{
protected boolean complete = false;
protected Exception exception;
public abstract void execute() throws Exception;
public void stop()
{
}
public synchronized void setComplete(Exception e)
{
complete = true;
exception = e;
notify();
}
public synchronized Exception waitFor()
{
while (!complete) {
try {
wait();
} catch (Exception e) {
return e;
}
}
return exception;
}
}