org.terrier.realtime.memory.fields

Class MemoryFieldsIterablePosting

java.lang.Object

org.terrier.structures.postings.IterablePostingImpl

org.terrier.realtime.memory.MemoryIterablePosting

org.terrier.realtime.memory.fields.MemoryFieldsIterablePosting

All Implemented Interfaces:

Closeable, AutoCloseable, FieldPosting, IterablePosting, Posting

public class MemoryFieldsIterablePosting
extends MemoryIterablePosting
implements FieldPosting

Iterable posting (fields).

Since:

4.0

Author:

Stuart Mackie

Field Summary

Fields inherited from class org.terrier.realtime.memory.MemoryIterablePosting

doi, index, pl_doc

Fields inherited from interface org.terrier.structures.postings.IterablePosting

EOL

Constructor Summary

Constructors

Constructor and Description
MemoryFieldsIterablePosting(DocumentIndex docindex, gnu.trove.TIntArrayList docids, gnu.trove.TIntArrayList freqs, gnu.trove.TIntObjectHashMap<int[]> fields) Constructor (docid,freq,(fields)).

Method Summary

Methods

Modifier and Type	Method and Description
WritablePosting	asWritablePosting() Copies this posting to one free of an iterator.
int[]	getFieldFrequencies() Returns the frequencies of the term in each field of the document
int[]	getFieldLengths() Returns the lengths of the each fields in the current document
void	setFieldLengths(int[] newLengths)

Methods inherited from class org.terrier.realtime.memory.MemoryIterablePosting

close, endOfPostings, getDocumentLength, getFrequency, getId, next, setId

Methods inherited from class org.terrier.structures.postings.IterablePostingImpl

next

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.terrier.structures.postings.Posting

getDocumentLength, getFrequency, getId, setId

Constructor Detail

MemoryFieldsIterablePosting

public MemoryFieldsIterablePosting(DocumentIndex docindex,
                           gnu.trove.TIntArrayList docids,
                           gnu.trove.TIntArrayList freqs,
                           gnu.trove.TIntObjectHashMap<int[]> fields)

Constructor (docid,freq,(fields)).

Method Detail

getFieldFrequencies

public int[] getFieldFrequencies()

Returns the frequencies of the term in each field of the document

Specified by:

getFieldFrequencies in interface FieldPosting

getFieldLengths

public int[] getFieldLengths()

Returns the lengths of the each fields in the current document

Specified by:

getFieldLengths in interface FieldPosting

setFieldLengths

public void setFieldLengths(int[] newLengths)

Specified by:

setFieldLengths in interface FieldPosting

asWritablePosting

public WritablePosting asWritablePosting()

Copies this posting to one free of an iterator. Kind of like a clone.

Specified by:

asWritablePosting in interface Posting

Overrides:

asWritablePosting in class MemoryIterablePosting

Returns:

an identical posting, but which can be maniulated free of this iterator