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java.lang.Objectnet.sf.saxon.expr.ComputedExpression
net.sf.saxon.expr.FunctionCall
net.sf.saxon.functions.SystemFunction
net.sf.saxon.functions.Collection
Implement the fn:collection() function. This is responsible for calling the
registered CollectionURIResolver
. For the effect of the default
system-supplied CollectionURIResolver, see StandardCollectionURIResolver
Field Summary |
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 | |
Collection()
|
Method Summary | |
void |
checkArguments(StaticContext env)
Method called during static type checking |
SequenceIterator |
iterate(XPathContext context)
Iterate over the contents of the collection |
Expression |
preEvaluate(StaticContext env)
preEvaluate: this method suppresses compile-time evaluation by doing nothing |
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, 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 |
Constructor Detail |
public Collection()
Method Detail |
public void checkArguments(StaticContext env) throws XPathException
SystemFunction
checkArguments
in class SystemFunction
XPathException
public Expression preEvaluate(StaticContext env)
preEvaluate
in class FunctionCall
public SequenceIterator iterate(XPathContext context) throws XPathException
iterate
in interface Expression
iterate
in class ComputedExpression
context
- the dynamic context
XPathException
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