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java.lang.Objectorg.apache.xpath.Expression
org.apache.xpath.functions.Function
org.apache.xpath.functions.FunctionOneArg
org.apache.xpath.functions.FunctionDef1Arg
public class FunctionDef1Arg
Base class for functions that accept one argument that can be defaulted if not specified.
Constructor Summary | |
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FunctionDef1Arg()
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Method Summary | |
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boolean |
Arg0IsNodesetExpr()
Tell if the expression is a nodeset expression. |
boolean |
canTraverseOutsideSubtree()
Tell if this expression or it's subexpressions can traverse outside the current subtree. |
void |
checkNumberArgs(int argNum)
Check that the number of arguments passed to this function is correct. |
Methods inherited from class org.apache.xpath.functions.FunctionOneArg |
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callArgVisitors, deepEquals, fixupVariables, getArg0, getExpression, setArg, setExpression |
Methods inherited from class org.apache.xpath.functions.Function |
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callVisitors, execute, postCompileStep |
Methods inherited from class org.apache.xpath.Expression |
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asIterator, asIteratorRaw, asNode, assertion, bool, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FunctionDef1Arg()
Method Detail |
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public boolean Arg0IsNodesetExpr()
public void checkNumberArgs(int argNum) throws WrongNumberArgsException
checkNumberArgs
in class FunctionOneArg
argNum
- The number of arguments that is being passed to the function.
WrongNumberArgsException
- if the number of arguments is not 0 or 1.public boolean canTraverseOutsideSubtree()
canTraverseOutsideSubtree
in class FunctionOneArg
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