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TIBCO Rendezvous® 8.7.0

# Tibrv.close()

Method

## Declaration

    static void close() throws TibrvException

## Purpose

Stop and destroy Rendezvous internal machinery.

## Remarks

After Tibrv.close() destroys the internal machinery, Rendezvous software becomes inoperative:

| • | Events no longer arrive in queues.

| • | All events, queues and queue groups are unusable, so programs can no longer dispatch events.

| • | All transports are unusable, so programs can no longer send outbound messages.

After closing a Tibrv object, all events, transports, queues and queue groups associated with that environment are invalid; it is illegal to call any methods of these objects.

After closing a Tibrv environment, you can reopen it either with the same implementation, or with a different implementation.

## Reference Count

A reference count protects against interactions between programs and third-party packages that call Tibrv.open() and Tibrv.close(). Each call to Tibrv.open() increments an internal counter; each call to Tibrv.close() decrements that counter. A call to Tibrv.open() actually creates internal machinery only when the reference counter is zero; subsequent calls merely increment the counter, but do not duplicate the machinery. A call to Tibrv.close() actually destroys the internal machinery only when the call decrements the counter to zero; other calls merely decrement the counter. In each program, the number of calls to Tibrv.open() and Tibrv.close() must match.

To ascertain the actual state of the internal machinery, use Tibrv.isValid().

## See Also

Tibrv.isValid()

Tibrv.open()

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