Package org.terrier.structures.merging

Class StructureMerger.NullDocumentIndex

java.lang.Object

org.terrier.structures.merging.StructureMerger.NullDocumentIndex

All Implemented Interfaces:

DocumentIndex

Enclosing class:

StructureMerger

public static class StructureMerger.NullDocumentIndex
extends java.lang.Object
implements DocumentIndex

Constructor Summary

Constructors

Constructor	Description
NullDocumentIndex(int _numDocs)

Method Summary

Modifier and Type	Method	Description
DocumentIndexEntry	getDocumentEntry(int docid)	Return the document index entry based on its docid.
int	getDocumentLength(int docid)	Return the length of the document.
int	getNumberOfDocuments()	Return the number of documents.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullDocumentIndex

public NullDocumentIndex(int _numDocs)

Method Detail

getDocumentEntry

public DocumentIndexEntry getDocumentEntry(int docid)
                                    throws java.io.IOException

Description copied from interface: DocumentIndex

Return the document index entry based on its docid.

Specified by:

getDocumentEntry in interface DocumentIndex

Returns:

the document index entry based on its docid.

Throws:

java.io.IOException

getDocumentLength

public int getDocumentLength(int docid)
                      throws java.io.IOException

Description copied from interface: DocumentIndex

Return the length of the document.

Specified by:

getDocumentLength in interface DocumentIndex

Returns:

the length of the document.

Throws:

java.io.IOException

getNumberOfDocuments

public int getNumberOfDocuments()

Description copied from interface: DocumentIndex

Return the number of documents.

Specified by:

getNumberOfDocuments in interface DocumentIndex

Returns:

the number of documents.