Comparison of Pattern Matcher and Other Components
Each component of Pattern Matcher has different use for different situation.
The following table shows some of the key features provided by Pattern Matcher, rules and state machines, and continuous queries. It enables you to decide which component to use for a given situation.
| Pattern Matcher | Rules, State Machines | Continuous Queries |
|---|---|---|
| Specify and identify event arrival sequence and temporal order | ||
| Recognize patterns | Drive business logic | Continuous computation over one or more streams of events |
| Correlate across streams | Specify join conditions | Query join |
| Dynamic deployment | ||
| Templatized patterns | ||
| Complex patterns with sub-patterns | Nested states | |
| High availability and fault tolerance | ||
| Like primitive state machines | State transitions offer rich and powerful syntax | |
| Windowing constructs | ||
| Incremental aggregates, sorting, and joins |
Copyright © Cloud Software Group, Inc. All rights reserved.