Package org.terrier.realtime.memory.fields

Class MemoryFieldsDirectIterablePosting

java.lang.Object

org.terrier.structures.postings.IterablePostingImpl

org.terrier.realtime.memory.MemoryDirectIterablePosting

org.terrier.realtime.memory.fields.MemoryFieldsDirectIterablePosting

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, FieldPosting, IterablePosting, Posting

public class MemoryFieldsDirectIterablePosting
extends MemoryDirectIterablePosting
implements FieldPosting

Field Summary

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

index, pl_termids

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

END_OF_LIST, EOL

Constructor Summary

Constructors

Constructor	Description
MemoryFieldsDirectIterablePosting(gnu.trove.TIntArrayList pl_termids, gnu.trove.TIntArrayList pl_freq, java.util.List<int[]> _pl_fields)

Method Summary

Modifier and Type	Method	Description
WritablePosting	asWritablePosting()	Copy 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.MemoryDirectIterablePosting

close, endOfPostings, getDocumentLength, getFrequency, getId, next

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

MemoryFieldsDirectIterablePosting

public MemoryFieldsDirectIterablePosting(gnu.trove.TIntArrayList pl_termids,
                                         gnu.trove.TIntArrayList pl_freq,
                                         java.util.List<int[]> _pl_fields)

Method Detail

asWritablePosting

public WritablePosting asWritablePosting()

Description copied from class: MemoryDirectIterablePosting

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

Specified by:

asWritablePosting in interface Posting

Overrides:

asWritablePosting in class MemoryDirectIterablePosting

Returns:

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

getFieldFrequencies

public int[] getFieldFrequencies()

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

Specified by:

getFieldFrequencies in interface FieldPosting

Returns:

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

getFieldLengths

public int[] getFieldLengths()

Returns the lengths of the each fields in the current document

Specified by:

getFieldLengths in interface FieldPosting

Returns:

the lengths of the each field in the current document.

setFieldLengths

public void setFieldLengths(int[] newLengths)

Specified by:

setFieldLengths in interface FieldPosting