com.espertech.esper.epl.expression.core

Interface ExprStreamUnderlyingNode

All Superinterfaces:

ExprNode, ExprNodeRenderable, ExprStreamRefNode, ExprValidator, MetaDefItem, Serializable

All Known Implementing Classes:

ExprStreamUnderlyingNodeImpl

public interface ExprStreamUnderlyingNode
extends ExprNode, ExprStreamRefNode

Represents an stream selector that returns the streams underlying event, or null if undefined.

Method Summary

Modifier and Type	Method and Description
EventType	getEventType()
int	getStreamId()

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprStreamRefNode

getRootPropertyNameIfAny, getStreamReferencedIfAny

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprNode

accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getForge, getPrecedence, isConstantResult, replaceUnlistedChildNode, setChildNode, setChildNodes

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprNodeRenderable

toEPL

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprValidator

validate

Method Detail

getStreamId

int getStreamId()

getEventType

EventType getEventType()