uk.ac.ic.doc.automed.p2p.son.dht
Class QueryFilter

java.lang.Object
  uk.ac.ic.doc.automed.p2p.son.dht.QueryFilter

All Implemented Interfaces:

java.io.Serializable, ow.routing.CallbackResultFilter

public class QueryFilter
extends java.lang.Object
implements ow.routing.CallbackResultFilter

See Also:

Serialized Form

Field Summary

private boolean	caseSensitive
private KRange	krg Creates a new instance of QueryFilter
private java.lang.Object	kwd
(package private) static java.util.logging.Logger	logger

Constructor Summary

QueryFilter(java.lang.Object so, java.lang.Object rg, boolean caseSensitive)

Method Summary

java.io.Serializable	filter(java.io.Serializable value) Implement interface ow.dht.advanced.EntryFilter
java.util.Set	filter(java.util.Set valueSet) Filter the set of ASG index entries against the query filter We first retrieve from the local BPlus index the set of entries that match a query filter.
java.util.Set	filter(java.util.Set valueSet, int[] bloomFilter, RuntimeParameters params) Filter result set against a given Bloom filter

Methods inherited from class java.lang.Object

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

Field Detail

logger

static final java.util.logging.Logger logger

caseSensitive

private boolean caseSensitive

krg

private KRange krg

Creates a new instance of QueryFilter

kwd

private java.lang.Object kwd

Constructor Detail

QueryFilter

public QueryFilter(java.lang.Object so,
                   java.lang.Object rg,
                   boolean caseSensitive)

Method Detail

filter

public java.io.Serializable filter(java.io.Serializable value)

Implement interface ow.dht.advanced.EntryFilter

Specified by:

filter in interface ow.routing.CallbackResultFilter

filter

public java.util.Set filter(java.util.Set valueSet)

Filter the set of ASG index entries against the query filter We first retrieve from the local BPlus index the set of entries that match a query filter. We then find an intersection between these sets and the value sets. The result is the set ASG entries that match the query

Specified by:

filter in interface ow.routing.CallbackResultFilter

filter

public java.util.Set filter(java.util.Set valueSet,
                            int[] bloomFilter,
                            RuntimeParameters params)

Filter result set against a given Bloom filter

Parameters:

valueSet -

bloomFiter -

Returns: