Package org.apache.calcite.plan
Class RelOptListener.RelEvent
- java.lang.Object
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- java.util.EventObject
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- org.apache.calcite.plan.RelOptListener.RelEvent
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- All Implemented Interfaces:
java.io.Serializable
- Direct Known Subclasses:
RelOptListener.RelChosenEvent
,RelOptListener.RelDiscardedEvent
,RelOptListener.RelEquivalenceEvent
,RelOptListener.RuleEvent
- Enclosing interface:
- RelOptListener
public abstract static class RelOptListener.RelEvent extends java.util.EventObject
Event class for abstract event dealing with a relational expression. The source of an event is typically the RelOptPlanner which initiated it.- See Also:
- Serialized Form
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description RelNode
getRel()
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