org.apache.commons.jexl.parser

Class ASTForeachStatement

java.lang.Object

org.apache.commons.jexl.parser.SimpleNode

org.apache.commons.jexl.parser.ASTForeachStatement

All Implemented Interfaces:

Node

public class ASTForeachStatement
extends SimpleNode

ForEach statement. Syntax: foreach (var in iterable) Statement()

Since:

1.1

Author:

Dion Gillard

Field Summary

Fields

Modifier and Type	Field and Description
private static Info	DUMMY dummy velocity info.
private static int	ITEMS_INDEX index of the items.
private static int	STATEMENT_INDEX index of the code to execute.
private static int	VAR_INDEX index of the loop variable.

Fields inherited from class org.apache.commons.jexl.parser.SimpleNode

children, id, parent, parser

Constructor Summary

Constructors

Constructor and Description
ASTForeachStatement(int id) Create the node given an id.
ASTForeachStatement(Parser p, int id) Create a node with the given parser and id.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	jjtAccept(ParserVisitor visitor, java.lang.Object data) Accept the visitor.
java.lang.Object	value(JexlContext jc) Gets the value of this node.

Methods inherited from class org.apache.commons.jexl.parser.SimpleNode

childrenAccept, dump, execute, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString

Methods inherited from class java.lang.Object

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

Field Detail

DUMMY

private static final Info DUMMY

dummy velocity info.

VAR_INDEX

private static final int VAR_INDEX

index of the loop variable.

See Also:

Constant Field Values

ITEMS_INDEX

private static final int ITEMS_INDEX

index of the items.

See Also:

Constant Field Values

STATEMENT_INDEX

private static final int STATEMENT_INDEX

index of the code to execute.

See Also:

Constant Field Values

Constructor Detail

ASTForeachStatement

public ASTForeachStatement(int id)

Create the node given an id.

Parameters:

id - node id.

ASTForeachStatement

public ASTForeachStatement(Parser p,
                           int id)

Create a node with the given parser and id.

Parameters:

p - a parser.

id - node id.

Method Detail

jjtAccept

public java.lang.Object jjtAccept(ParserVisitor visitor,
                                  java.lang.Object data)

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

Parameters:

visitor - a ParserVisitor.

data - data to be passed along to the visitor.

Returns:

the value from visiting.

See Also:

ParserVisitor.visit(org.apache.commons.jexl.parser.SimpleNode, java.lang.Object)

value

public java.lang.Object value(JexlContext jc)
                       throws java.lang.Exception

Gets the value of this node.

Overrides:

value in class SimpleNode

Parameters:

jc - the context to retrieve values from.

Returns:

the value of the node.

Throws:

java.lang.Exception - when evaluating the operands fails.