com.icl.saxon.om
Class DocumentPool

java.lang.Object
  com.icl.saxon.om.DocumentPool

public final class DocumentPool

extends java.lang.Object

An object representing the collection of documents handled during a single transformation

Constructor Summary

DocumentPool()

Method Summary

int	add(DocumentInfo doc, java.lang.String name) Add a document to the pool, and allocate a document number
DocumentInfo	find(java.lang.String name) Get the document with a given name
int	getDocumentNumber(DocumentInfo doc) Get the document number of a document that is already in the pool.
int	getNumberOfDocuments() Get the number of documents in the pool

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentPool

public DocumentPool()

Method Detail

add

public int add(DocumentInfo doc,
               java.lang.String name)

Add a document to the pool, and allocate a document number

Parameters:

doc - The DocumentInfo for the document in question

name - The name of the document. May be null, in the case of the principal source document or a result tree fragment. Used for the URI of a document loaded using the document() function.

Returns:

the document number, unique within this document pool

getDocumentNumber

public int getDocumentNumber(DocumentInfo doc)

Get the document number of a document that is already in the pool. If the document is not already in the pool, it is added, and a document number is allocated. (This can happen when a Java application has built the document independently of the Controller. In this case, it is still necessary that all documents use the same NamePool, but we don't actually check this).

Returns:

the document number

find

public DocumentInfo find(java.lang.String name)

Get the document with a given name

Returns:

the DocumentInfo with the given name if it exists, or null if it is not found.

getNumberOfDocuments

public int getNumberOfDocuments()

Get the number of documents in the pool