Top Description Fields Constructors Methods
org.apache.commons.jexl2

public final Class ReadonlyContext

extends Object
implements JexlContext
Class Inheritance
All Implemented Interfaces
org.apache.commons.jexl2.JexlContext
A readonly context wrapper.
Since
2.1

Field Summary

Modifier and TypeField and Description
private final JexlContext
wrapped

The wrapped context.

Constructor Summary

AccessConstructor and Description
public
ReadonlyContext(JexlContext
the wrapped context
context)

Creates a new readonly context.

Method Summary

Modifier and TypeMethod and Description
public Object
get(String
the variable's name
name)

Implements org.apache.commons.jexl2.JexlContext.get.

Gets the value of a variable.
public boolean
has(String
the variable's name
name)

Implements org.apache.commons.jexl2.JexlContext.has.

Checks whether a variable is defined in this context.
public void
set(String
the unused variable name
name, Object
the unused variable value
value)

Implements org.apache.commons.jexl2.JexlContext.set.

Will throw an UnsupportedOperationException when called; the JexlEngine deals with it appropriately.
Inherited from java.lang.Object:
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Field Detail

wrappedback to summary
private final JexlContext wrapped

The wrapped context.

Constructor Detail

ReadonlyContextback to summary
public ReadonlyContext(JexlContext context)

Creates a new readonly context.

Parameters
context:JexlContext

the wrapped context

Method Detail

getback to summary
public Object get(String name)

Implements org.apache.commons.jexl2.JexlContext.get.

Doc from org.apache.commons.jexl2.JexlContext.get.

Gets the value of a variable.

Parameters
name:String

the variable's name

Returns:Object

the value

hasback to summary
public boolean has(String name)

Implements org.apache.commons.jexl2.JexlContext.has.

Doc from org.apache.commons.jexl2.JexlContext.has.

Checks whether a variable is defined in this context.

A variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined.

Parameters
name:String

the variable's name

Returns:boolean

true if it exists, false otherwise

setback to summary
public void set(String name, Object value)

Implements org.apache.commons.jexl2.JexlContext.set.

Will throw an UnsupportedOperationException when called; the JexlEngine deals with it appropriately.

Parameters
name:String

the unused variable name

value:Object

the unused variable value