TQueueNavigation Enumeration

Specifies the position of the message that will be retrieved.

Unit

OraAQ

Syntax

TQueueNavigation = (qnNextMessage, qnNextTransaction, qnFirstMessage, qnFirstMessageMultiGroup, qnNextMessageMultiGroup);

Values

Value	Meaning
qnFirstMessage	The first message which is available and that matches the search criteria will be dequeued. This setting resets the position to the beginning of the queue.
qnFirstMessageMultiGroup	Available matching messages from the beginning of the queue will be dequeued (possibly across different transaction groups) until reaching the limit of result message array size. This setting resets the position to the beginning of the queue.
qnNextMessage	The next message that is available and that matches the search criteria will be dequeued. The default value.
qnNextMessageMultiGroup	The next set of available matching messages from the beginning of the queue will be dequeued (possibly across different transaction groups) until reaching the limit of the result message array size. This setting resets the position to the beginning of the queue.
qnNextTransaction	The first message of the next transaction group that is available and that matches the search criteria will be dequeued.