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java.lang.Objectorg.directwebremoting.dwrp.BasicAlarm
org.directwebremoting.dwrp.ShutdownAlarm
public class ShutdownAlarm
An Alarm that allows the system to close all connections when it is shutting down.
WARNING: This code has a non-obvious side effect - The server load monitor (which hands out shutdown messages) also monitors usage by looking at the number of connected alarms.
Field Summary | |
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protected ServerLoadMonitor |
serverLoadMonitor
The source of shutdown messages |
Constructor Summary | |
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ShutdownAlarm(ServerLoadMonitor serverLoadMonitor)
Register ourselves with the ServerLoadMonitor so we can raise an Alarm if we get shutdown |
Method Summary | |
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void |
cancel()
Prevent further calls to Sleeper.wakeUp() . |
void |
setAlarmAction(org.directwebremoting.dwrp.Sleeper sleeper)
Alarms need something to do when they go off. |
Methods inherited from class org.directwebremoting.dwrp.BasicAlarm |
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raiseAlarm |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected ServerLoadMonitor serverLoadMonitor
Constructor Detail |
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public ShutdownAlarm(ServerLoadMonitor serverLoadMonitor)
serverLoadMonitor
- Method Detail |
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public void setAlarmAction(org.directwebremoting.dwrp.Sleeper sleeper)
Sleeper.wakeUp()
.
setAlarmAction
in class BasicAlarm
sleeper
- The action to awake when the alarm goes offpublic void cancel()
Sleeper.wakeUp()
.
See the note about late calls above.
cancel
in class BasicAlarm
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