org.openrdf.sail.memory
Class MemoryStoreConnection.MemTripleSource

java.lang.Object
  org.openrdf.sail.memory.MemoryStoreConnection.MemTripleSource

All Implemented Interfaces:

TripleSource

Enclosing class:

MemoryStoreConnection

protected class MemoryStoreConnection.MemTripleSource
extends Object
implements TripleSource

Implementation of the TripleSource interface from the Sail Query Model

Field Summary

protected boolean	includeInferred
protected ReadMode	readMode
protected int	snapshot

Constructor Summary

MemoryStoreConnection.MemTripleSource(boolean includeInferred, int snapshot, ReadMode readMode)

Method Summary

CloseableIteration<MemStatement,QueryEvaluationException>	getStatements(Resource subj, URI pred, Value obj, Resource... contexts) Gets all statements that have a specific subject, predicate and/or object.
MemValueFactory	getValueFactory() Gets a ValueFactory object that can be used to create URI-, blank node- and literal objects.

Methods inherited from class java.lang.Object

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

Field Detail

snapshot

protected final int snapshot

readMode

protected final ReadMode readMode

includeInferred

protected final boolean includeInferred

Constructor Detail

MemoryStoreConnection.MemTripleSource

public MemoryStoreConnection.MemTripleSource(boolean includeInferred,
                                             int snapshot,
                                             ReadMode readMode)

Method Detail

getStatements

public CloseableIteration<MemStatement,QueryEvaluationException> getStatements(Resource subj,
                                                                               URI pred,
                                                                               Value obj,
                                                                               Resource... contexts)

Description copied from interface: TripleSource

Gets all statements that have a specific subject, predicate and/or object. All three parameters may be null to indicate wildcards. Optionally a (set of) context(s) may be specified in which case the result will be restricted to statements matching one or more of the specified contexts.

Specified by:

getStatements in interface TripleSource

Parameters:

subj - A Resource specifying the subject, or null for a wildcard.

pred - A URI specifying the predicate, or null for a wildcard.

obj - A Value specifying the object, or null for a wildcard.

contexts - The context(s) to get the statements from. Note that this parameter is a vararg and as such is optional. If no contexts are supplied the method operates on the entire repository.

Returns:

An iterator over the relevant statements.

getValueFactory

public MemValueFactory getValueFactory()

Description copied from interface: TripleSource

Gets a ValueFactory object that can be used to create URI-, blank node- and literal objects.

Specified by:

getValueFactory in interface TripleSource

Returns:

a ValueFactory object for this TripleSource.