org.springframework.expression.spel

Class ExpressionState.VariableScope

java.lang.Object

org.springframework.expression.spel.ExpressionState.VariableScope

Enclosing class:

ExpressionState

private static class ExpressionState.VariableScope
extends java.lang.Object

A new scope is entered when a function is called and it is used to hold the parameters to the function call. If the names of the parameters clash with those in a higher level scope, those in the higher level scope will not be accessible whilst the function is executing. When the function returns, the scope is exited.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<java.lang.String,java.lang.Object>	vars

Constructor Summary

Constructors

Constructor and Description
VariableScope()
VariableScope(java.util.Map<java.lang.String,java.lang.Object> arguments)
VariableScope(java.lang.String name, java.lang.Object value)

Method Summary

Modifier and Type	Method and Description
boolean	definesVariable(java.lang.String name)
java.lang.Object	lookupVariable(java.lang.String name)
void	setVariable(java.lang.String name, java.lang.Object value)

Methods inherited from class java.lang.Object

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

Field Detail

vars

private final java.util.Map<java.lang.String,java.lang.Object> vars

Constructor Detail

VariableScope

public VariableScope()

VariableScope

public VariableScope(java.util.Map<java.lang.String,java.lang.Object> arguments)

VariableScope

public VariableScope(java.lang.String name,
                     java.lang.Object value)

Method Detail

lookupVariable

public java.lang.Object lookupVariable(java.lang.String name)

setVariable

public void setVariable(java.lang.String name,
                        java.lang.Object value)

definesVariable

public boolean definesVariable(java.lang.String name)