Package ognl
Class ExpressionNode
java.lang.Object
ognl.SimpleNode
ognl.ExpressionNode
- All Implemented Interfaces:
Serializable
,JavaSource
,Node
- Direct Known Subclasses:
BooleanExpression
,NumericExpression
- Author:
- Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)
- See Also:
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Field Summary
Fields inherited from class ognl.SimpleNode
_children, _id, _parent, _parser
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptiongetExpressionOperator
(int index) boolean
isConstant
(OgnlContext context) boolean
isNodeConstant
(OgnlContext context) Returns true iff this node is constant without respect to the children.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.toSetSourceString
(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.toString()
Methods inherited from class ognl.SimpleNode
dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, getValueBody, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString
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Constructor Details
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ExpressionNode
public ExpressionNode(int i) -
ExpressionNode
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Method Details
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isNodeConstant
Returns true iff this node is constant without respect to the children.- Overrides:
isNodeConstant
in classSimpleNode
- Throws:
OgnlException
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isConstant
- Overrides:
isConstant
in classSimpleNode
- Throws:
OgnlException
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getExpressionOperator
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toString
- Overrides:
toString
in classSimpleNode
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toGetSourceString
Description copied from interface:JavaSource
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 classSimpleNode
- Returns:
- Literal java string representation of an object get.
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toSetSourceString
Description copied from interface:JavaSource
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:
toSetSourceString
in interfaceJavaSource
- Overrides:
toSetSourceString
in classSimpleNode
- Returns:
- Literal java string representation of an object get.
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