org.springframework.binding.expression
Class ExpressionVariable

java.lang.Object
  org.springframework.binding.expression.ExpressionVariable

public class ExpressionVariable
extends Object

An expression variable.

Author:

Keith Donald

Constructor Summary

ExpressionVariable(String name, String valueExpression)
Creates a new expression variable.

ExpressionVariable(String name, String valueExpression, ParserContext parserContext)
Creates a new expression variable with a populated parser context.

Method Summary

boolean	equals(Object o)
String	getName() Returns the variable name.
ParserContext	getParserContext() Returns the parser context to use to parse the variable's value expression.
String	getValueExpression() Returns the expression that will be evaluated when the variable is referenced by its name in another expression.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ExpressionVariable

public ExpressionVariable(String name,
                          String valueExpression)

Creates a new expression variable.

Parameters:

name - the name of the variable, acting as an convenient alias (required)

valueExpression - the value expression (required)

ExpressionVariable

public ExpressionVariable(String name,
                          String valueExpression,
                          ParserContext parserContext)

Creates a new expression variable with a populated parser context.

Parameters:

name - the name of the variable, acting as an convenient alias (required)

valueExpression - the value expression (required)

parserContext - the parser context to use to parse the value expression (optional)

Method Detail

getName

public String getName()

Returns the variable name.

Returns:

the variable name

getValueExpression

public String getValueExpression()

Returns the expression that will be evaluated when the variable is referenced by its name in another expression.

Returns:

the expression value.

getParserContext

public ParserContext getParserContext()

Returns the parser context to use to parse the variable's value expression.

Returns:

the value expression parser context

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object