FTGroupMonitor
Class
Superclasses
System.Object
FTGroupMonitor
Visual Basic
Public Class FTGroupMonitor
C#
public class FTGroupMonitor
Purpose
Monitor a fault tolerance group.
Remarks
Upon creating this object, the program monitors a fault tolerance group.
Monitors are passive—they do not affect the group members in any way.
Rendezvous fault tolerance software queues a monitor event whenever the number of active members in the group changes—either it detects a new heartbeat, or it detects that the heartbeat from a previously active member is now silent, or it receives a message from the fault tolerance component of an active member indicating deactivation or termination.
The monitor callback method receives the number of active members as an argument.
By destroying a monitor object, the program stops monitoring the fault tolerance group. The method FTGroupMonitor.Destroy destroys a monitor explicitly and immediately. You can also destroy a monitor implicitly by deleting all references to it, but the garbage collector might introduce a delay before it destroys the object.
Destroying the queue or transport of a monitor automatically destroys the monitor as well.
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Method |
Description |
Page |
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Stop monitoring a fault tolerance group, and free associated resources. |