lux

Class DocIDNumberAllocator

java.lang.Object

net.sf.saxon.tree.util.DocumentNumberAllocator

lux.DocIDNumberAllocator

All Implemented Interfaces:

Serializable

public class DocIDNumberAllocator
extends net.sf.saxon.tree.util.DocumentNumberAllocator

We guarantee that lux:search returns result in document order, which to Saxon means that the ids of the documents it returns must be in increasing order. lux:search gathers docIDs in increasing order and calls setNextDocID(int) in order to maintain the same numbering scheme in Saxon. Internally-generated documents are allocated ids starting at Integer.MAX_VALUE+1 - Lucene ids are always ints.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DocIDNumberAllocator()

Method Summary

Methods

Modifier and Type	Method and Description
long	allocateDocumentNumber()
void	setNextDocID(Integer id) It is the caller's responsibility to ensure that the same id is not assigned to multiple different documents, IDs must be assigned to documents in such a way that a consistent document ordering is maintained.

Methods inherited from class java.lang.Object

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

Constructor Detail

DocIDNumberAllocator

public DocIDNumberAllocator()

Method Detail

setNextDocID

public void setNextDocID(Integer id)

It is the caller's responsibility to ensure that the same id is not assigned to multiple different documents, IDs must be assigned to documents in such a way that a consistent document ordering is maintained. In order to ensure thread safety, a separate id is maintained for each calling thread.

Parameters:

id - the next id to allocate for the calling thread, or null if the next id to allocate should be an internal id.

allocateDocumentNumber

public long allocateDocumentNumber()

Overrides:

allocateDocumentNumber in class net.sf.saxon.tree.util.DocumentNumberAllocator