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TIBCO BusinessEvents Express Content relating to Cache OM and backing store is not relevant to TIBCO BusinessEvents Express edition.Time events do not go through an event preprocessor. If you are using Cache Only mode, take care when designing rules that execute as a result of a time event. For example, a rule that has a join condition using a time event and a concept would not execute if the concept is not loaded in the Rete network and so should not be used in an event preprocessor if the concept is configured as Cache ONly mode.Acknowledgement Events consumed in a preprocessor are acknowledged immediately (and not after the post RTC phase).Consuming events in a preprocessor is allowed It can be useful in some applications and reduces the flow of messages into the Rete network. Such events are acknowledged immediately (if they require acknowledgement).You can only modify events before they are asserted into the Rete network Rule evaluation depends on event values at time of assertion, so values can be changed only before assertion, that is, in the preprocessor.You can create concepts but not modify existing concepts Modifying concepts that already exist in the system could disrupt an RTC. You can modify concepts that were created in the same preprocessor, however.
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Copyright © TIBCO Software Inc. All Rights Reserved |