net.sf.saxon.expr.instruct
Class GlobalParameterSet

java.lang.Object
  net.sf.saxon.expr.instruct.GlobalParameterSet

public class GlobalParameterSet
extends Object

A GlobalParameterSet is a set of parameters supplied when invoking a stylesheet or query. It is a collection of name-value pairs, the names being represented by StructuredQName objects. The values are objects, as supplied by the caller: conversion of the object to a required type takes place when the parameter is actually used.

Constructor Summary

GlobalParameterSet()
Create an empty parameter set

GlobalParameterSet(GlobalParameterSet existing)
Create a parameter set as a copy of an existing parameter set

Method Summary

void	clear() Clear all values
Object	get(StructuredQName qName) Get a parameter
Collection<StructuredQName>	getKeys() Get all the keys that have been allocated
int	getNumberOfKeys() Get the number of entries in the result of getKeys() that are significant
void	put(StructuredQName qName, Object value) Add a parameter to the ParameterSet

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GlobalParameterSet

public GlobalParameterSet()

Create an empty parameter set

GlobalParameterSet

public GlobalParameterSet(GlobalParameterSet existing)

Create a parameter set as a copy of an existing parameter set

Parameters:

existing - the parameter set to be copied

Method Detail

put

public void put(StructuredQName qName,
                Object value)

Add a parameter to the ParameterSet

Parameters:

qName - The fingerprint of the parameter name.

value - The value of the parameter, or null if the parameter is to be removed

get

public Object get(StructuredQName qName)

Get a parameter

Parameters:

qName - The parameter name.

Returns:

The value of the parameter, or null if not defined

clear

public void clear()

Clear all values

getKeys

public Collection<StructuredQName> getKeys()

Get all the keys that have been allocated

Returns:

the names of the parameter keys (QNames)

getNumberOfKeys

public int getNumberOfKeys()

Get the number of entries in the result of getKeys() that are significant

Returns:

the number of entries