org.apache.commons.jexl.parser
Class ASTUnaryMinusNode
java.lang.Object
org.apache.commons.jexl.parser.SimpleNode
org.apache.commons.jexl.parser.ASTUnaryMinusNode
- All Implemented Interfaces:
- Node
public class ASTUnaryMinusNode
- extends SimpleNode
- (unary minus).
- Version:
- $Id: ASTUnaryMinusNode.java 480412 2006-11-29 05:11:23Z bayard $
- Author:
- Mark H. Wilkinson
Constructor Summary |
ASTUnaryMinusNode(int id)
Create the node given an id. |
ASTUnaryMinusNode(org.apache.commons.jexl.parser.Parser p,
int id)
Create a node with the given parser and id. |
Method Summary |
java.lang.Object |
jjtAccept(org.apache.commons.jexl.parser.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, getUberspect, 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 |
ASTUnaryMinusNode
public ASTUnaryMinusNode(int id)
- Create the node given an id.
- Parameters:
id
- node id.
ASTUnaryMinusNode
public ASTUnaryMinusNode(org.apache.commons.jexl.parser.Parser p,
int id)
- Create a node with the given parser and id.
- Parameters:
p
- a parser.id
- node id.
jjtAccept
public java.lang.Object jjtAccept(org.apache.commons.jexl.parser.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.
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.