|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectnet.sf.saxon.expr.ComputedExpression
net.sf.saxon.expr.FunctionCall
net.sf.saxon.functions.SystemFunction
net.sf.saxon.functions.CollatingFunction
Abstract superclass for all functions that take an optional collation argument
Field Summary | |
protected java.util.Comparator |
collation
|
Fields inherited from class net.sf.saxon.functions.SystemFunction |
operation |
Fields inherited from class net.sf.saxon.expr.FunctionCall |
argument |
Fields inherited from class net.sf.saxon.expr.ComputedExpression |
locationId, staticProperties |
Fields inherited from interface net.sf.saxon.expr.Expression |
EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD |
Constructor Summary | |
CollatingFunction()
|
Method Summary | |
void |
checkArguments(StaticContext env)
Method called during static type checking |
protected GenericAtomicComparer |
getAtomicComparer(int arg,
XPathContext context)
Get a GenericAtomicComparer that can be used to compare values |
protected java.util.Comparator |
getCollator(int arg,
XPathContext context)
Get a collator suitable for comparing strings. |
Methods inherited from class net.sf.saxon.functions.SystemFunction |
addContextDocumentArgument, computeCardinality, computeSpecialProperties, display, getDetails, getErrorCodeForTypeErrors, getItemType, getRequiredType, main, makeSystemFunction, setDetails, useContextItemAsDefault |
Methods inherited from class net.sf.saxon.expr.FunctionCall |
checkArgumentCount, getArguments, getDisplayName, getFunctionNameCode, getNumberOfArguments, iterateSubExpressions, optimize, preEvaluate, promote, replaceSubExpression, setArguments, setFunctionNameCode, simplify, simplifyArguments, typeCheck |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected transient java.util.Comparator collation
Constructor Detail |
public CollatingFunction()
Method Detail |
public void checkArguments(StaticContext env) throws XPathException
SystemFunction
checkArguments
in class SystemFunction
XPathException
protected GenericAtomicComparer getAtomicComparer(int arg, XPathContext context) throws XPathException
arg
- the position of the argument (starting at 0) containing the collation name.
If this argument was not supplied, the default collation is usedcontext
- The dynamic evaluation context.
XPathException
protected java.util.Comparator getCollator(int arg, XPathContext context) throws XPathException
arg
- The argument position (counting from zero) that holds the collation
URI if presentcontext
- The dynamic context
XPathException
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |