org.terrier.structures.postings
Class IterablePostingImpl

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

All Implemented Interfaces:

java.io.Closeable, IterablePosting, Posting

Direct Known Subclasses:

ArrayOfIdsIterablePosting, DocumentPostingList.postingIterator, ORIterablePosting, SimplePostingInRun.PIRPostingIterator

public abstract class IterablePostingImpl
extends java.lang.Object
implements IterablePosting

A base implementation of an IterablePosting, that provides a base implementation of next(int) method.

Since:

3.0

Author:

Craig Macdonald

Field Summary

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

EOL

Constructor Summary

IterablePostingImpl()

Method Summary

int	next(int target) This implementation of next(int) which uses 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.IterablePosting

endOfPostings, next

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

asWritablePosting, getDocumentLength, getFrequency, getId, setId

Methods inherited from interface java.io.Closeable

close

Constructor Detail

IterablePostingImpl

public IterablePostingImpl()

Method Detail

next

public int next(int target)
         throws java.io.IOException

This implementation of next(int) which uses next()

Specified by:

next in interface IterablePosting

Parameters:

target - id of the posting to find in this postingn list.

Returns:

id of the posting found, or EOL if end of posting list.

Throws:

java.io.IOException