01: /*
02: * Copyright 2005 Joe Walker
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.directwebremoting.util;
17:
18: import java.util.concurrent.ScheduledThreadPoolExecutor;
19:
20: /**
21: * DWR has some singleton objects (well 1 to be exact) that is JDK defined
22: * @author Joe Walker [joe at getahead dot ltd dot uk]
23: */
24: public class SharedObjects {
25: /**
26: * Each {@link ScheduledThreadPoolExecutor} used by an application uses a
27: * thread, so DWR tries to use only one.
28: * @return DWR's shared ScheduledThreadPoolExecutor
29: */
30: public static ScheduledThreadPoolExecutor getScheduledThreadPoolExecutor() {
31: return timer;
32: }
33:
34: /**
35: * The cron system
36: */
37: private static ScheduledThreadPoolExecutor timer = new ScheduledThreadPoolExecutor(
38: 1);
39: }
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