| /* |
| * 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.axis2.deployment.scheduler; |
| |
| import org.apache.axis2.deployment.RepositoryListener; |
| |
| import java.util.TimerTask; |
| |
| public class SchedulerTask implements Runnable { |
| static final int SCHEDULED = 1; |
| static final int CANCELLED = 2; |
| final Object lock = new Object(); |
| int state = 0; |
| TimerTask timerTask; |
| private RepositoryListener wsListener; |
| |
| /** |
| * Creates a new scheduler task. |
| */ |
| public SchedulerTask(RepositoryListener listener) { |
| this.wsListener = listener; |
| } |
| |
| /** |
| * Cancels this scheduler task. |
| * <p/> |
| * This method may be called repeatedly; the second and subsequent calls have no effect. |
| * |
| * @return Returns true if this task was already scheduled to run. |
| */ |
| public boolean cancel() { |
| synchronized (lock) { |
| if (timerTask != null) { |
| timerTask.cancel(); |
| } |
| |
| boolean result = (state == SCHEDULED); |
| |
| state = CANCELLED; |
| |
| return result; |
| } |
| } |
| |
| private void checkRepository() { |
| wsListener.startListener(); |
| } |
| |
| /** |
| * The action to be performed by this scheduler task. |
| */ |
| public void run() { |
| checkRepository(); |
| } |
| } |