Spring Framework

org.springframework.expression.spel.ast
Class OpPlus

java.lang.Object
  extended by org.springframework.expression.spel.ast.SpelNodeImpl
      extended by org.springframework.expression.spel.ast.Operator
          extended by org.springframework.expression.spel.ast.OpPlus
All Implemented Interfaces:
SpelNode

public class OpPlus
extends Operator

The plus operator will:

It can be used as a unary operator for numbers (double/long/int). The standard promotions are performed when the operand types vary (double+int=double). For other options it defers to the registered overloader.

Since:
3.0
Author:
Andy Clement, Ivo Smid

Field Summary
 
Fields inherited from class org.springframework.expression.spel.ast.SpelNodeImpl
children, pos
 
Constructor Summary
OpPlus(int pos, SpelNodeImpl... operands)
           
 
Method Summary
 SpelNodeImpl getRightOperand()
           
 TypedValue getValueInternal(ExpressionState state)
           
 java.lang.String toStringAST()
          String format for all operators is the same '(' [operand] [operator] [operand] ')'
 
Methods inherited from class org.springframework.expression.spel.ast.Operator
getLeftOperand, getOperatorName
 
Methods inherited from class org.springframework.expression.spel.ast.SpelNodeImpl
getChild, getChildCount, getEndPosition, getObjectClass, getPreviousChild, getStartPosition, getTypedValue, getValue, getValue, isWritable, nextChildIs, setValue
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

OpPlus

public OpPlus(int pos,
              SpelNodeImpl... operands)
Method Detail

getValueInternal

public TypedValue getValueInternal(ExpressionState state)
                            throws EvaluationException
Specified by:
getValueInternal in class SpelNodeImpl
Throws:
EvaluationException

toStringAST

public java.lang.String toStringAST()
Description copied from class: Operator
String format for all operators is the same '(' [operand] [operator] [operand] ')'

Specified by:
toStringAST in interface SpelNode
Overrides:
toStringAST in class Operator
Returns:
the string form of this AST node

getRightOperand

public SpelNodeImpl getRightOperand()
Overrides:
getRightOperand in class Operator

Spring Framework