Package org.eclipse.rdf4j.repository.filters

Class AccurateRepositoryBloomFilter

java.lang.Object

org.eclipse.rdf4j.repository.filters.AccurateRepositoryBloomFilter

All Implemented Interfaces:

RepositoryBloomFilter

public class AccurateRepositoryBloomFilter
extends Object
implements RepositoryBloomFilter

A bloom filter that is exact (no false positives) at the cost of always having to query the repository.

Field Summary

Fields

Modifier and Type	Field	Description
static final AccurateRepositoryBloomFilter	INCLUDE_INFERRED_INSTANCE

Constructor Summary

Constructors

Constructor	Description
AccurateRepositoryBloomFilter(boolean includeInferred)

Method Summary

Modifier and Type	Method	Description
boolean	mayHaveStatement(RepositoryConnection conn, Resource subj, IRI pred, Value obj, Resource... contexts)	Returns true if the repository may have such a statement or false if it definitely does not.

Methods inherited from class java.lang.Object

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

Field Details

INCLUDE_INFERRED_INSTANCE

public static final AccurateRepositoryBloomFilter INCLUDE_INFERRED_INSTANCE

Constructor Details

AccurateRepositoryBloomFilter

public AccurateRepositoryBloomFilter(boolean includeInferred)

Method Details

mayHaveStatement

public boolean mayHaveStatement(RepositoryConnection conn,
 Resource subj,
 IRI pred,
 Value obj,
 Resource... contexts)

Description copied from interface: RepositoryBloomFilter

Returns true if the repository may have such a statement or false if it definitely does not.

Specified by:

mayHaveStatement in interface RepositoryBloomFilter

Parameters:

conn - connection to the repository to check.

subj - subject of the statement to check for (can be null).

pred - predicate of the statement to check for (can be null).

obj - object of the statement to check for (can be null).

contexts - contexts of the statement to check for.