org.apache.commons.jexl.parser
Class ASTNullLiteral
java.lang.Object
|
+--org.apache.commons.jexl.parser.SimpleNode
|
+--org.apache.commons.jexl.parser.ASTNullLiteral
- All Implemented Interfaces:
- Node
- public class ASTNullLiteral
- extends SimpleNode
'null'.
Methods inherited from class org.apache.commons.jexl.parser.SimpleNode |
childrenAccept, dump, execute, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString |
ASTNullLiteral
public ASTNullLiteral(int id)
- Create the node given an id.
- Parameters:
id
- node id.
ASTNullLiteral
public ASTNullLiteral(Parser p,
int id)
- Create a node with the given parser and id.
- Parameters:
p
- a parser.id
- node id.
jjtAccept
public Object jjtAccept(ParserVisitor visitor,
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 Object value(JexlContext context)
- Gets the value of this node.
- Overrides:
value
in class SimpleNode
- Parameters:
context
- the context to retrieve values from.
- Returns:
- the value of the node.
Copyright © 2003-2006 The Apache Software Foundation. All Rights Reserved.