Package org.terrier.structures.postings

Class PostingUtil.DocidSpecificDocumentIndex

java.lang.Object

org.terrier.structures.postings.PostingUtil.DocidSpecificDocumentIndex

All Implemented Interfaces:

DocumentIndex, FieldDocumentIndex

Enclosing class:

PostingUtil

public static class PostingUtil.DocidSpecificDocumentIndex
extends java.lang.Object
implements FieldDocumentIndex

Constructor Summary

Constructors

Constructor	Description
DocidSpecificDocumentIndex(DocumentIndex _di, DocumentIndexEntry _die)

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[]	getFieldLengths(int docid)	Get the length of each field
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

DocidSpecificDocumentIndex

public DocidSpecificDocumentIndex(DocumentIndex _di,
                                  DocumentIndexEntry _die)

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.

getFieldLengths

public int[] getFieldLengths(int docid)
                      throws java.io.IOException

Description copied from interface: FieldDocumentIndex

Get the length of each field

Specified by:

getFieldLengths in interface FieldDocumentIndex

Throws:

java.io.IOException