Package org.apache.calcite.plan

Class RelOptListener.RelEvent

java.lang.Object

java.util.EventObject

org.apache.calcite.plan.RelOptListener.RelEvent

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

Field Summary

Fields

Modifier and Type	Field	Description
private RelNode	rel

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RelEvent(java.lang.Object eventSource, RelNode rel)

Method Summary

Modifier and Type	Method	Description
RelNode	getRel()

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

rel

private final RelNode rel

Constructor Detail

RelEvent

protected RelEvent(java.lang.Object eventSource,
                   RelNode rel)

Method Detail

getRel

public RelNode getRel()