org.opennms.protocols.snmp
Class SnmpTimer
java.lang.Object
|
+--org.opennms.protocols.snmp.SnmpTimer
- class SnmpTimer
- extends Object
Provides a simple timer scheduler for use by the
internal SnmpSession class. Resolution is provided
at the millisecond level.
- Version:
- $Revision: 1.10 $
- Author:
- Brian Weaver
- See Also:
SnmpSession
Inner Class Summary |
private class |
SnmpTimer.Scheduler
This object is the thread of execution that monitors
and executes the scheduled runnables. |
private class |
SnmpTimer.TimeoutElement
Used to track the individual runnables and when
the runnable "expires". |
Field Summary |
private boolean |
m_exit
when true the internal thread should exit |
private LinkedList |
m_list
The list of runnable objects (stored as TimeoutElement) |
private Object |
m_sync
The synchronization object |
private Thread |
m_thread
The thread doing the scheduling |
Constructor Summary |
(package private) |
SnmpTimer()
Creates an SnmpTime object and it's internal thread that
is used to schedual the execution of the runnables. |
Method Summary |
(package private) void |
cancel()
Cancels the current timer object and
terminates the internal thread |
(package private) void |
schedule(Runnable runner,
long milliseconds)
Schedules the runnable to be run after AT LEAST ms milliseconds
of time has expired. |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait |
m_list
private LinkedList m_list
- The list of runnable objects (stored as TimeoutElement)
m_thread
private Thread m_thread
- The thread doing the scheduling
m_exit
private boolean m_exit
- when true the internal thread should exit
m_sync
private Object m_sync
- The synchronization object
SnmpTimer
SnmpTimer()
- Creates an SnmpTime object and it's internal thread that
is used to schedual the execution of the runnables.
schedule
void schedule(Runnable runner,
long milliseconds)
- Schedules the runnable to be run after AT LEAST ms milliseconds
of time has expired. The runnable may be invoked in a delayed
manner, but will not be run BEFORE ms milliseconds have expired.
- Parameters:
runner
- The runnable objectms
- The number of milliseconds to wait
cancel
void cancel()
- Cancels the current timer object and
terminates the internal thread