org.terrier.structures.postings
Class FieldORIterablePosting

java.lang.Object
  org.terrier.structures.postings.IterablePostingImpl
      org.terrier.structures.postings.ORIterablePosting
          org.terrier.structures.postings.FieldORIterablePosting

All Implemented Interfaces:

java.io.Closeable, FieldPosting, IterablePosting, Posting

Direct Known Subclasses:

BlockFieldORIterablePosting

public class FieldORIterablePosting
extends ORIterablePosting
implements FieldPosting

ORIterablePosting implementation that implements FieldPosting

Since:

3.5

Author:

Craig Macdonald

Field Summary

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

EOL

Constructor Summary

FieldORIterablePosting(IterablePosting[] ips)
Constructs an instance of FieldORIterablePosting.

Method Summary

protected void	addPosting(Posting _p)
WritablePosting	asWritablePosting() Copies this posting to one free of an iterator.
protected void	firstPosting(Posting _p)
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

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

close, endOfPostings, getDocumentLength, getFrequency, getId, mergePostings, 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

FieldORIterablePosting

public FieldORIterablePosting(IterablePosting[] ips)
                       throws java.io.IOException

Constructs an instance of FieldORIterablePosting.

Parameters:

ips -

Throws:

java.io.IOException

Method Detail

getFieldFrequencies

public int[] getFieldFrequencies()

Description copied from interface: FieldPosting

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

Specified by:

getFieldFrequencies in interface FieldPosting

getFieldLengths

public int[] getFieldLengths()

Description copied from interface: FieldPosting

Returns the lengths of the each fields in the current document

Specified by:

getFieldLengths in interface FieldPosting

addPosting

protected void addPosting(Posting _p)

Overrides:

addPosting in class ORIterablePosting

firstPosting

protected void firstPosting(Posting _p)

Overrides:

firstPosting in class ORIterablePosting

asWritablePosting

public WritablePosting asWritablePosting()

Description copied from class: ORIterablePosting

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

Specified by:

asWritablePosting in interface Posting

Overrides:

asWritablePosting in class ORIterablePosting

Returns:

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