org.terrier.structures.indexing.singlepass

Class RunIteratorFactory

java.lang.Object

org.terrier.structures.indexing.singlepass.RunIteratorFactory

Direct Known Subclasses:

FileRunIteratorFactory, HadoopRunIteratorFactory

public abstract class RunIteratorFactory
extends Object

Base class for Factories of RunIterators.

Since:

2.2

Author:

Craig Macdonald

Field Summary

Fields

Modifier and Type	Field and Description
protected int	numberOfFields

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RunIteratorFactory(int numF)

Method Summary

Methods

Modifier and Type	Method and Description
abstract RunIterator	createRunIterator(int runNumber) Open the RunIterator for the specified run number

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

numberOfFields

protected int numberOfFields

Constructor Detail

RunIteratorFactory

protected RunIteratorFactory(int numF)

Method Detail

createRunIterator

public abstract RunIterator createRunIterator(int runNumber)
                                       throws Exception

Open the RunIterator for the specified run number

Throws:

Exception