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java.lang.Objectnet.esper.eql.join.plan.OuterJoinAnalyzer
public class OuterJoinAnalyzer
Analyzes an outer join descriptor list and builds a query graph model from it. The 'on' expression identifiers are extracted and placed in the query graph model as navigable relationships (by key and index properties) between streams.
Constructor Summary | |
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OuterJoinAnalyzer()
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Method Summary | |
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static QueryGraph |
analyze(java.util.List<OuterJoinDesc> outerJoinDescList,
QueryGraph queryGraph)
Analyzes the outer join descriptor list to build a query graph model. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public OuterJoinAnalyzer()
Method Detail |
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public static QueryGraph analyze(java.util.List<OuterJoinDesc> outerJoinDescList, QueryGraph queryGraph)
outerJoinDescList
- - list of outer join descriptorsqueryGraph
- - model containing relationships between streams that is written into
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