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java.lang.Object | +--net.sf.saxon.expr.ComputedExpression | +--net.sf.saxon.expr.FunctionCall | +--net.sf.saxon.functions.SystemFunction | +--net.sf.saxon.functions.Concat
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 |
lineNumber, NO_ARGUMENTS, staticProperties |
Constructor Summary | |
Concat()
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Method Summary | |
java.lang.String |
evaluateAsString(XPathContext c)
Evaluate the function in a string context |
Item |
evaluateItem(XPathContext c)
Evaluate in a general context |
protected SequenceType |
getRequiredType(int arg)
Get the required type of the nth argument |
Methods inherited from class net.sf.saxon.functions.SystemFunction |
addContextDocumentArgument, checkArguments, computeCardinality, display, getDetails, getItemType, getName, main, makeSystemFunction, useContextItemAsDefault |
Methods inherited from class net.sf.saxon.expr.FunctionCall |
analyze, checkArgumentCount, getNumberOfArguments, getSubExpressions, preEvaluate, promote, setArguments, simplify, simplifyArguments |
Methods inherited from class net.sf.saxon.expr.ComputedExpression |
computeDependencies, computeSpecialProperties, computeStaticProperties, dynamicError, effectiveBooleanValue, getCardinality, getDependencies, getIntrinsicDependencies, getLineNumber, getSpecialProperties, iterate, markTailFunctionCalls, setLineNumber, typeError |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Concat()
Method Detail |
protected SequenceType getRequiredType(int arg)
getRequiredType
in class SystemFunction
public java.lang.String evaluateAsString(XPathContext c) throws XPathException
evaluateAsString
in interface Expression
evaluateAsString
in class ComputedExpression
c
- The context in which the expression is to be evaluated
XPathException
- if any dynamic error occurs evaluating the
expressionpublic Item evaluateItem(XPathContext c) throws XPathException
evaluateItem
in interface Expression
evaluateItem
in class ComputedExpression
c
- The context in which the expression is to be evaluated
XPathException
- if any dynamic error occurs evaluating the
expression
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