KeyTable (Xalan-Java 2.7.2)

java.lang.Object
- org.apache.xalan.transformer.KeyTable

```
public class KeyTable
extends java.lang.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.

Constructor Summary

Constructors
Constructor	Description
`KeyTable(int doc, PrefixResolver nscontext, QName name, java.util.Vector keyDeclarations, XPathContext xctxt)`	Build a keys table.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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.

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

- Constructor Detail
  - KeyTable
```
public KeyTable(int doc,
                PrefixResolver nscontext,
                QName name,
                java.util.Vector keyDeclarations,
                XPathContext xctxt)
         throws javax.xml.transform.TransformerException
```
    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
  - 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.
  - getKeyTableName
```
public QName getKeyTableName()
```
    Get Key Name for this KeyTable
    
    Returns:
    
    Key name