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TIBCO Rendezvous® 8.7.0

# Tibrv.isValid()

Method

## Declaration

    static boolean isValid()

## Purpose

Determine whether the Rendezvous machinery is open.

## Remarks

This method returns `true` after the method Tibrv.open() has returned successfully.

Otherwise this method returns `false`. The value `false` usually indicates one of these situations:

| • | The program has not opened the Rendezvous environment.

| • | Attempts to open the environment failed.

| • | The environment was open, but the program closed it with Tibrv.close().

## See Also

Tibrv.open()

Tibrv.close()

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