Package org.terrier.realtime.incremental

Class IncrementalMergePolicy

java.lang.Object

org.terrier.realtime.incremental.IncrementalMergePolicy

Direct Known Subclasses:

IncrementalMergeGeometric, IncrementalMergeSingle

public class IncrementalMergePolicy
extends java.lang.Object

A policy for merging different indices together on disk

Since:

4.0

Author:

Richard McCreadie, Stuart Mackie

Field Summary

Fields

Modifier and Type	Field	Description
protected static java.util.List<Index>	indices
protected static java.util.List<java.lang.Integer>	merged

Constructor Summary

Constructors

Constructor	Description
IncrementalMergePolicy(IncrementalIndex index)

Method Summary

Modifier and Type	Method	Description
static IncrementalMergePolicy	get(java.lang.String policy, java.util.List<Index> indices, IncrementalIndex index)	Create a new merge thread.
boolean	mergeCheck()	Never merge.
boolean	mergePolicy()	No merge.
void	purgeMerged()	Delete indices which have been merged.

Methods inherited from class java.lang.Object

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

Field Detail

indices

protected static java.util.List<Index> indices

merged

protected static java.util.List<java.lang.Integer> merged

Constructor Detail

IncrementalMergePolicy

public IncrementalMergePolicy(IncrementalIndex index)

Method Detail

get

public static IncrementalMergePolicy get(java.lang.String policy,
                                         java.util.List<Index> indices,
                                         IncrementalIndex index)

Create a new merge thread.

purgeMerged

public void purgeMerged()

Delete indices which have been merged.

mergePolicy

public boolean mergePolicy()

No merge.

mergeCheck

public boolean mergeCheck()

Never merge.