ExprConstantNode (Esper Common API Documentation)

All Superinterfaces:: ExprNode, ExprNodeRenderable, ExprValidator

All Known Implementing Classes:: ExprConstantNodeImpl, ExprDeclaredNodeImpl

public interface ExprConstantNode extends ExprNode

Represents a constant in an expressiun tree.

Method Summary

Modifier and Type

Method

Description

boolean

constantAvailable()

EPType

getConstantType()

Object

getConstantValue()

default String

getStringConstantWhenProvided()

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNode
accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getForge, getPrecedence, replaceUnlistedChildNode, setChildNode, setChildNodes

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

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

Method Details
- constantAvailable
  
  boolean constantAvailable()
- getConstantType
  
  EPType getConstantType()
- getConstantValue
  
  Object getConstantValue()
- getStringConstantWhenProvided
  
  default String getStringConstantWhenProvided()