org.terrier.structures.indexing.singlepass
Class BlockPostingInRun.BlockPIRPostingIterator

java.lang.Object
  org.terrier.structures.postings.IterablePostingImpl
      org.terrier.structures.indexing.singlepass.SimplePostingInRun.PIRPostingIterator
          org.terrier.structures.indexing.singlepass.BlockPostingInRun.BlockPIRPostingIterator

All Implemented Interfaces:

java.io.Closeable, BlockPosting, IterablePosting, Posting

Enclosing class:

BlockPostingInRun

protected class BlockPostingInRun.BlockPIRPostingIterator
extends SimplePostingInRun.PIRPostingIterator
implements BlockPosting

Field Summary

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

EOL

Constructor Summary

BlockPostingInRun.BlockPIRPostingIterator(int runShift)

Method Summary

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

Methods inherited from class org.terrier.structures.indexing.singlepass.SimplePostingInRun.PIRPostingIterator

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

BlockPostingInRun.BlockPIRPostingIterator

public BlockPostingInRun.BlockPIRPostingIterator(int runShift)

Method Detail

readPostingNotDocid

protected void readPostingNotDocid()
                            throws java.io.IOException

Overrides:

readPostingNotDocid in class SimplePostingInRun.PIRPostingIterator

Throws:

java.io.IOException

getPositions

public int[] getPositions()

Description copied from interface: BlockPosting

Return positions of occurrences

Specified by:

getPositions in interface BlockPosting

asWritablePosting

public WritablePosting asWritablePosting()

Description copied from interface: Posting

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

Specified by:

asWritablePosting in interface Posting

Overrides:

asWritablePosting in class SimplePostingInRun.PIRPostingIterator

Returns:

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