org.eigenbase.relopt
Class RelOptListener.RelEvent

java.lang.Object
  java.util.EventObject
      org.eigenbase.relopt.RelOptListener.RelEvent

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

RelOptListener.RelChosenEvent, RelOptListener.RelDiscardedEvent, RelOptListener.RelEquivalenceEvent, RelOptListener.RuleEvent

Enclosing interface:

RelOptListener

public abstract static class RelOptListener.RelEvent
extends 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

private RelNode

rel

Fields inherited from class java.util.EventObject

source

Constructor Summary

protected

RelOptListener.RelEvent(Object eventSource, RelNode rel)

Method Summary

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

RelOptListener.RelEvent

protected RelOptListener.RelEvent(Object eventSource,
                                  RelNode rel)

Method Detail

getRel

public RelNode getRel()