org.apache.xalan.transformer

Class KeyTable

public class KeyTable extends Object

Table of element keys, keyed by document node. An instance of this class is keyed by a Document node that should be matched with the root of the current context.

UNKNOWN: advanced

Constructor Summary
	KeyTable(int doc, PrefixResolver nscontext, QName name, Vector keyDeclarations, XPathContext xctxt) Build a keys table.

Method Summary
int	getDocKey() Get the document root matching this key.
QName	getKeyTableName() Get Key Name for this KeyTable
XNodeSet	getNodeSetDTMByKey(QName name, XMLString ref) Given a valid element key, return the corresponding node list.

Constructor Detail

KeyTable

public KeyTable(int doc, PrefixResolver nscontext, QName name, Vector keyDeclarations, XPathContext xctxt)

Build a keys table.

Parameters: doc The owner document key. nscontext The stylesheet's namespace context. name The key name keyDeclarations The stylesheet's xsl:key declarations.

Throws: javax.xml.transform.TransformerException

Method Detail

getDocKey

public int getDocKey()

Get the document root matching this key.

Returns: the document root matching this key

getKeyTableName

public QName getKeyTableName()

Get Key Name for this KeyTable

Returns: Key name

getNodeSetDTMByKey

public XNodeSet getNodeSetDTMByKey(QName name, XMLString ref)

Given a valid element key, return the corresponding node list.

Parameters: name The name of the key, which must match the 'name' attribute on xsl:key. ref The value that must match the value found by the 'match' attribute on xsl:key.

Returns: a set of nodes referenced by the key named name and the reference ref. If no node is referenced by this key, an empty node set is returned.