org.springframework.expression.spel.ast

Class Ternary

java.lang.Object

org.springframework.expression.spel.ast.SpelNodeImpl

org.springframework.expression.spel.ast.Ternary

All Implemented Interfaces:

SpelNode

public class Ternary
extends SpelNodeImpl

Represents a ternary expression, for example: "someCheck()?true:false".

Since:

3.0

Author:

Andy Clement, Juergen Hoeller

Field Summary

Fields inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

children, pos

Constructor Summary

Constructors

Constructor and Description
Ternary(int pos, SpelNodeImpl... args)

Method Summary

Methods

Modifier and Type	Method and Description
TypedValue	getValueInternal(ExpressionState state) Evaluate the condition and if true evaluate the first alternative, otherwise evaluate the second alternative.
String	toStringAST()

Methods inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

getChild, getChildCount, getEndPosition, getObjectClass, getPreviousChild, getStartPosition, getTypedValue, getValue, getValue, getValueRef, isWritable, nextChildIs, setValue

Methods inherited from class java.lang.Object

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

Constructor Detail

Ternary

public Ternary(int pos,
       SpelNodeImpl... args)

Method Detail

getValueInternal

public TypedValue getValueInternal(ExpressionState state)
                            throws EvaluationException

Evaluate the condition and if true evaluate the first alternative, otherwise evaluate the second alternative.

Specified by:

getValueInternal in class SpelNodeImpl

Parameters:

state - the expression state

Throws:

EvaluationException - if the condition does not evaluate correctly to a boolean or there is a problem executing the chosen alternative

toStringAST

public String toStringAST()

Specified by:

toStringAST in interface SpelNode

Specified by:

toStringAST in class SpelNodeImpl

Returns:

the string form of this AST node