com.espertech.esper.epl.expression
Interface ExprStreamUnderlyingNode

All Superinterfaces:
ExprNode, ExprValidator, MetaDefItem, java.io.Serializable
All Known Implementing Classes:
ExprStreamUnderlyingNodeImpl

public interface ExprStreamUnderlyingNode
extends ExprNode

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


Method Summary
 int getStreamId()
           
 java.lang.String toExpressionString()
          Returns the expression node rendered as a string.
 
Methods inherited from interface com.espertech.esper.epl.expression.ExprNode
accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getExprEvaluator, isConstantResult, replaceUnlistedChildNode, setChildNode, setChildNodes
 
Methods inherited from interface com.espertech.esper.epl.expression.ExprValidator
validate
 

Method Detail

getStreamId

int getStreamId()

toExpressionString

java.lang.String toExpressionString()
Description copied from interface: ExprNode
Returns the expression node rendered as a string.

Specified by:
toExpressionString in interface ExprNode
Returns:
string rendering of expression

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