Package org.terrier.realtime.incremental

Class IncrementalDeletePolicy

java.lang.Object

org.terrier.realtime.incremental.IncrementalDeletePolicy

Direct Known Subclasses:

IncrementalDeleteFixedNumber

public class IncrementalDeletePolicy
extends java.lang.Object

This class represents a policy for deleting index shards during a flush. This is useful if you want to want to discard older index shards to avoid the index growing infinitely.

Since:

4.0

Author:

Richard McCreadie, Stuart Mackie

Constructor Summary

Constructors

Constructor	Description
IncrementalDeletePolicy()

Method Summary

Modifier and Type	Method	Description
void	deleteIndex(IndexOnDisk index)
boolean	deletePolicy()	No delete.
static IncrementalDeletePolicy	get(java.lang.String policy)
protected java.util.List<java.lang.Integer>	getIndicesToDelete(java.util.List<Index> indices)	Get a list of indices to delete (if any)
void	runPolicy(java.util.List<Index> indices)

Methods inherited from class java.lang.Object

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

Constructor Detail

IncrementalDeletePolicy

public IncrementalDeletePolicy()

Method Detail

get

public static IncrementalDeletePolicy get(java.lang.String policy)

deletePolicy

public boolean deletePolicy()

No delete.

getIndicesToDelete

protected java.util.List<java.lang.Integer> getIndicesToDelete(java.util.List<Index> indices)

Get a list of indices to delete (if any)

runPolicy

public void runPolicy(java.util.List<Index> indices)

deleteIndex

public void deleteIndex(IndexOnDisk index)