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Architecting Complex-Event Processing Solutions with TIBCO® by Paul C. Brown

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Chapter 7. Query Agents

Objectives

Query agents are part of the TIBCO BusinessEvents® Event Stream Processing product, an add-on to the core TIBCO BusinessEvents® product (Chapter 4).

After reading this chapter you will be able to describe the capabilities and appropriate uses for query agents and how snapshot and continuous queries work.

Snapshot Queries

A snapshot query is a query of the cache contents that is executed on-demand. The demand comes in the form of an event sent to a channel on the query agent (Figure 7-1).

Image

Figure 7-1: Query Agent Snapshot Configuration

Snapshot Query Execution

The processing associated with the query execution ...

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