org.apache.commons.jexl2

Class UnifiedJEXL.DeferredExpression

java.lang.Object

org.apache.commons.jexl2.UnifiedJEXL.Expression

org.apache.commons.jexl2.UnifiedJEXL.JexlBasedExpression

org.apache.commons.jexl2.UnifiedJEXL.DeferredExpression

Enclosing class:

UnifiedJEXL

private class UnifiedJEXL.DeferredExpression
extends UnifiedJEXL.JexlBasedExpression

A deferred expression: #{jexl}.

Field Summary

Fields inherited from class org.apache.commons.jexl2.UnifiedJEXL.JexlBasedExpression

expr, node

Fields inherited from class org.apache.commons.jexl2.UnifiedJEXL.Expression

source

Constructor Summary

Constructors

Constructor and Description
DeferredExpression(java.lang.CharSequence expr, JexlNode node, UnifiedJEXL.Expression source) Creates a deferred expression.

Method Summary

Modifier and Type	Method and Description
(package private) UnifiedJEXL.ExpressionType	getType() Gets this expression type.
protected void	getVariables(java.util.Set<java.util.List<java.lang.String>> refs) Fills up the list of variables accessed by this expression.
boolean	isImmediate() Checks whether this expression is immediate.
protected UnifiedJEXL.Expression	prepare(Interpreter interpreter) Prepares a sub-expression for interpretation.

Methods inherited from class org.apache.commons.jexl2.UnifiedJEXL.JexlBasedExpression

asString, evaluate, getVariables

Methods inherited from class org.apache.commons.jexl2.UnifiedJEXL.Expression

asString, evaluate, getSource, isDeferred, prepare, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DeferredExpression

DeferredExpression(java.lang.CharSequence expr,
                   JexlNode node,
                   UnifiedJEXL.Expression source)

Creates a deferred expression.

Parameters:

expr - the expression as a string

node - the expression as an AST

source - the source expression if any

Method Detail

isImmediate

public boolean isImmediate()

Checks whether this expression is immediate.

Overrides:

isImmediate in class UnifiedJEXL.Expression

Returns:

true if immediate, false otherwise

getType

UnifiedJEXL.ExpressionType getType()

Gets this expression type.

Specified by:

getType in class UnifiedJEXL.Expression

Returns:

its type

prepare

protected UnifiedJEXL.Expression prepare(Interpreter interpreter)

Prepares a sub-expression for interpretation.

Overrides:

prepare in class UnifiedJEXL.Expression

Parameters:

interpreter - a JEXL interpreter

Returns:

a prepared expression

getVariables

protected void getVariables(java.util.Set<java.util.List<java.lang.String>> refs)

Fills up the list of variables accessed by this expression.

Overrides:

getVariables in class UnifiedJEXL.JexlBasedExpression

Parameters:

refs - the set of variable being filled