Package org.apache.commons.ognl
Class ASTSelectFirst
- java.lang.Object
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- org.apache.commons.ognl.SimpleNode
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- org.apache.commons.ognl.ASTSelectFirst
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- All Implemented Interfaces:
java.io.Serializable
,JavaSource
,Node
class ASTSelectFirst extends SimpleNode
$Id$
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Field Summary
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Fields inherited from class org.apache.commons.ognl.SimpleNode
children, id, parent, parser
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Constructor Summary
Constructors Constructor Description ASTSelectFirst(int id)
ASTSelectFirst(OgnlParser p, int id)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <R,P>
Raccept(NodeVisitor<? extends R,? super P> visitor, P data)
Supports the Visitor pattern.protected java.lang.Object
getValueBody(OgnlContext context, java.lang.Object source)
Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.java.lang.String
toGetSourceString(OgnlContext context, java.lang.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.java.lang.String
toSetSourceString(OgnlContext context, java.lang.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.SimpleNode
dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isConstant, isEvalChain, isNodeConstant, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString, toString
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Constructor Detail
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ASTSelectFirst
public ASTSelectFirst(int id)
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ASTSelectFirst
public ASTSelectFirst(OgnlParser p, int id)
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Method Detail
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getValueBody
protected java.lang.Object getValueBody(OgnlContext context, java.lang.Object source) throws OgnlException
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
public java.lang.String toGetSourceString(OgnlContext context, java.lang.Object target)
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
public java.lang.String toSetSourceString(OgnlContext context, java.lang.Object target)
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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accept
public <R,P> R accept(NodeVisitor<? extends R,? super P> visitor, P data) throws OgnlException
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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