com.espertech.esper.epl.expression.funcs

Class ExprCaseNodeForge

java.lang.Object

com.espertech.esper.epl.expression.funcs.ExprCaseNodeForge

All Implemented Interfaces:

ExprForge, ExprTypableReturnForge

public class ExprCaseNodeForge
extends Object
implements ExprTypableReturnForge

Field Summary

Fields

Modifier and Type	Field and Description
protected LinkedHashMap<String,Object>	mapResultType

Method Summary

Modifier and Type	Method and Description
CodegenExpression	evaluateCodegen(CodegenParamSetExprPremade params, CodegenContext context)
CodegenExpression	evaluateTypableMultiCodegen(CodegenParamSetExprPremade params, CodegenContext context)
CodegenExpression	evaluateTypableSingleCodegen(CodegenParamSetExprPremade params, CodegenContext context)
SimpleNumberCoercer	getCoercer()
ExprForgeComplexityEnum	getComplexity()
Class	getEvaluationType()
ExprEvaluator	getExprEvaluator()
ExprCaseNode	getForgeRenderable()
ExprNode	getOptionalCompareExprNode()
ExprNode	getOptionalElseExprNode()
LinkedHashMap<String,Object>	getRowProperties() Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.
ExprTypableReturnEval	getTypableReturnEvaluator()
List<UniformPair<ExprNode>>	getWhenThenNodeList()
Boolean	isMultirow() Return true for multi-row return, return false for return of single row only
boolean	isMustCoerce()

Methods inherited from class java.lang.Object

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

Field Detail

mapResultType

protected final LinkedHashMap<String,Object> mapResultType

Method Detail

getWhenThenNodeList

public List<UniformPair<ExprNode>> getWhenThenNodeList()

getOptionalCompareExprNode

public ExprNode getOptionalCompareExprNode()

getOptionalElseExprNode

public ExprNode getOptionalElseExprNode()

getForgeRenderable

public ExprCaseNode getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprForge

getEvaluationType

public Class getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

isMustCoerce

public boolean isMustCoerce()

getCoercer

public SimpleNumberCoercer getCoercer()

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

getTypableReturnEvaluator

public ExprTypableReturnEval getTypableReturnEvaluator()

Specified by:

getTypableReturnEvaluator in interface ExprTypableReturnForge

evaluateCodegen

public CodegenExpression evaluateCodegen(CodegenParamSetExprPremade params,
                                         CodegenContext context)

Specified by:

evaluateCodegen in interface ExprForge

getComplexity

public ExprForgeComplexityEnum getComplexity()

Specified by:

getComplexity in interface ExprForge

evaluateTypableSingleCodegen

public CodegenExpression evaluateTypableSingleCodegen(CodegenParamSetExprPremade params,
                                                      CodegenContext context)

Specified by:

evaluateTypableSingleCodegen in interface ExprTypableReturnForge

evaluateTypableMultiCodegen

public CodegenExpression evaluateTypableMultiCodegen(CodegenParamSetExprPremade params,
                                                     CodegenContext context)

Specified by:

evaluateTypableMultiCodegen in interface ExprTypableReturnForge

isMultirow

public Boolean isMultirow()

Description copied from interface: ExprTypableReturnForge

Return true for multi-row return, return false for return of single row only

Specified by:

isMultirow in interface ExprTypableReturnForge

Returns:

multi-row flag

getRowProperties

public LinkedHashMap<String,Object> getRowProperties()
                                              throws ExprValidationException

Description copied from interface: ExprTypableReturnForge

Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.

Specified by:

getRowProperties in interface ExprTypableReturnForge

Returns:

map of property names and types or null

Throws:

ExprValidationException - if the expression is invalid