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org.eclipse.jet.xpath
Class XPathFunctionMetaData

java.lang.Object
  
org.eclipse.jet.xpath.XPathFunctionMetaData

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public final class XPathFunctionMetaData
extends java.lang.Object

Invariant class that defines implementation details of XPath functions.

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Constructor Summary
XPathFunctionMetaData (java.lang.String name, java.lang.String namespace, XPathFunction function, int minArgs, int maxArgs)           Create function metadata.

 

Method Summary
XPathFunction	getFunction ()           Return the function implementation
int	getMaxArgs ()           Return the maximum number of arguments or -1 if the function allows unlimited arguments.
int	getMinArgs ()           Return the mininum number of arguments.
java.lang.String	getName ()           Return the function name, as used in XPath expressions.
java.lang.String	getNamespace ()           Return the namespace of the function.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

XPathFunctionMetaData

public XPathFunctionMetaData(java.lang.String name,
                             java.lang.String namespace,
                             
XPathFunction function,
                             int minArgs,
                             int maxArgs)

Create function metadata.

Parameters:

name - the name of the function, as it occurs in XPath expressions.

namespace - the namespace of the functions.

function - the function implementation

minArgs - the minimum number of arguments. Must be non-negative.

maxArgs - the maximum number of arguments. Must be non-negative or -1 indicating an unlimited number of arguments.

Throws:

java.lang.NullPointerException - if name or function name are null.

java.lang.IllegalArgumentException - if minArgs or maxArgs do not conform to their expected values.

Method Detail

getNamespace

public final java.lang.String getNamespace()

Return the namespace of the function.

Returns:

Returns the namespace.

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getFunction

public 
XPathFunction getFunction()

Return the function implementation

Returns:

Returns the function.

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getMinArgs

public int getMinArgs()

Return the mininum number of arguments.

Returns:

Returns the minArgs.

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getMaxArgs

public int getMaxArgs()

Return the maximum number of arguments or -1 if the function allows unlimited arguments.

Returns:

Returns the maxArgs.

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getName

public java.lang.String getName()

Return the function name, as used in XPath expressions.

Returns:

Returns the name.

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