org.apache.commons.jexl.parser
Class ASTEQNode
java.lang.Object
|
+--org.apache.commons.jexl.parser.SimpleNode
|
+--org.apache.commons.jexl.parser.ASTEQNode
- All Implemented Interfaces:
- Node
- public class ASTEQNode
- extends SimpleNode
Represents equality between values.
If the values are of the same class, .equals() is used.
If either value is a Float
or Double
(but both are not the same class),
the values are coerced to Double
s before comparing.
If either value is a Number
or Character
(but both are not the same class),
the values are coerced to Long
s before comparing.
If either value is a Boolean
(but both are not the same class),
the values are coerced to Boolean
s before comparing.
If either value is a String
(but both are not the same class),
toString() is called on both before comparing.
Otherwise left.equals(right) is returned.
- Version:
- $Id: ASTEQNode.java 398190 2006-04-29 16:04:10Z dion $
Constructor Summary |
ASTEQNode(int id)
Create the node given an id. |
ASTEQNode(Parser p,
int id)
Create a node with the given parser and id. |
Methods inherited from class org.apache.commons.jexl.parser.SimpleNode |
childrenAccept, dump, execute, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString |
ASTEQNode
public ASTEQNode(int id)
- Create the node given an id.
- Parameters:
id
- node id.
ASTEQNode
public ASTEQNode(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 pc)
throws Exception
- Gets the value of this node.
- Overrides:
value
in class SimpleNode
- Parameters:
pc
- the context to retrieve values from.
- Returns:
- the value of the node.
- Throws:
Exception
- when evaluating the operands fails.
Copyright © 2003-2006 The Apache Software Foundation. All Rights Reserved.