Package org.apache.commons.ognl
Class ASTNegate
java.lang.Object
org.apache.commons.ognl.SimpleNode
org.apache.commons.ognl.ExpressionNode
org.apache.commons.ognl.NumericExpression
org.apache.commons.ognl.ASTNegate
- All Implemented Interfaces:
Serializable
,JavaSource
,Node
,NodeType
$Id$
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Field Summary
Fields inherited from class org.apache.commons.ognl.NumericExpression
getterClass
Fields inherited from class org.apache.commons.ognl.SimpleNode
children, id, parent, parser
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescription<R,
P> R accept
(NodeVisitor<? extends R, ? super P> visitor, P data) Supports the Visitor pattern.protected Object
getValueBody
(OgnlContext context, Object source) Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.toGetSourceString
(OgnlContext context, Object target) Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed forExpressionAccessor.get(OgnlContext, Object)
calls.Methods inherited from class org.apache.commons.ognl.NumericExpression
coerceToNumeric, getGetterClass, getSetterClass
Methods inherited from class org.apache.commons.ognl.ExpressionNode
getExpressionOperator, isConstant, isNodeConstant, toSetSourceString
Methods inherited from class org.apache.commons.ognl.SimpleNode
dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isEvalChain, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString, toString
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Constructor Details
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ASTNegate
public ASTNegate(int id) -
ASTNegate
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Method Details
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getValueBody
Description copied from class:SimpleNode
Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.- Specified by:
getValueBody
in classSimpleNode
- Throws:
OgnlException
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toGetSourceString
Description copied from class:NumericExpression
Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed forExpressionAccessor.get(OgnlContext, Object)
calls.- Specified by:
toGetSourceString
in interfaceJavaSource
- Overrides:
toGetSourceString
in classNumericExpression
- Returns:
- Literal java string representation of an object get.
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accept
Description copied from interface:Node
Supports the Visitor pattern. The method which corresponds to the runtime type of this Node will be called.- Type Parameters:
R
- The return type of the visitor.visit method.P
- The type of the second parameter type.- Parameters:
visitor
- The visitor to accept.data
- The second parameter to pass through to visitor.visit- Returns:
- the value returned by visitor.visit
- Throws:
OgnlException
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