org.terrier.structures

Class FSAFieldDocumentIndex

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<V>

org.terrier.structures.collections.FSArrayFile<DocumentIndexEntry>

org.terrier.structures.FSADocumentIndex

org.terrier.structures.FSAFieldDocumentIndex

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<DocumentIndexEntry>, Collection<DocumentIndexEntry>, List<DocumentIndexEntry>, DocumentIndex, FieldDocumentIndex

public class FSAFieldDocumentIndex
extends FSADocumentIndex
implements FieldDocumentIndex

Fields document index stored as a fixed size array

Nested Class Summary

Nested classes/interfaces inherited from class org.terrier.structures.FSADocumentIndex

FSADocumentIndex.FSADocumentIndexIterator

Nested classes/interfaces inherited from class org.terrier.structures.collections.FSArrayFile

FSArrayFile.ArrayFileIterator<V extends org.apache.hadoop.io.Writable>, FSArrayFile.ArrayFileWriter

Field Summary

Fields inherited from class org.terrier.structures.FSADocumentIndex

docLengths, lastDocid, lastEntry, logger

Fields inherited from class org.terrier.structures.collections.FSArrayFile

dataFile, dataFilename, entrySize, numberOfEntries, USUAL_EXTENSION, valueFactory

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
FSAFieldDocumentIndex(IndexOnDisk index, String structureName) Construct an instance of the class with

Method Summary

Methods

Modifier and Type	Method and Description
int[]	getFieldLengths(int docid) Get the length of each field
protected void	initialise(IndexOnDisk index, String structureName)

Methods inherited from class org.terrier.structures.FSADocumentIndex

getDocumentEntry, getDocumentLength, getNumberOfDocuments

Methods inherited from class org.terrier.structures.collections.FSArrayFile

close, get, iterator, size, writeFSArrayFile

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.terrier.structures.DocumentIndex

getDocumentEntry, getDocumentLength, getNumberOfDocuments

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Constructor Detail

FSAFieldDocumentIndex

public FSAFieldDocumentIndex(IndexOnDisk index,
                     String structureName)
                      throws IOException

Construct an instance of the class with

Parameters:

index -

structureName -

Throws:

IOException

Method Detail

initialise

protected void initialise(IndexOnDisk index,
              String structureName)
                   throws IOException

Overrides:

initialise in class FSADocumentIndex

Throws:

IOException

getFieldLengths

public int[] getFieldLengths(int docid)
                      throws IOException

Get the length of each field

Specified by:

getFieldLengths in interface FieldDocumentIndex

Throws:

IOException