org.terrier.structures.postings
Class BlockFieldORIterablePosting

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

All Implemented Interfaces:

java.io.Closeable, BlockPosting, FieldPosting, IterablePosting, Posting

public class BlockFieldORIterablePosting
extends FieldORIterablePosting
implements BlockPosting

ORIterablePosting implementation that implements FieldPosting and BlockPosting

Since:

3.5

Author:

Craig Macdonald

Field Summary

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

EOL

Constructor Summary

BlockFieldORIterablePosting(IterablePosting[] ips)
Constructs an instance of the BlockFieldORIterablePosting

Method Summary

protected void	addPosting(Posting p)
WritablePosting	asWritablePosting() Copies this posting to one free of an iterator.
protected void	firstPosting(Posting p)
int[]	getPositions() Return positions of occurrences

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

getFieldFrequencies, getFieldLengths

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

BlockFieldORIterablePosting

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

Constructs an instance of the BlockFieldORIterablePosting

Parameters:

ips -

Throws:

java.io.IOException

Method Detail

getPositions

public int[] getPositions()

Description copied from interface: BlockPosting

Return positions of occurrences

Specified by:

getPositions in interface BlockPosting

addPosting

protected void addPosting(Posting p)

Overrides:

addPosting in class FieldORIterablePosting

firstPosting

protected void firstPosting(Posting p)

Overrides:

firstPosting in class FieldORIterablePosting

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 FieldORIterablePosting

Returns:

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