org.eclipse.rdf4j.sail.memory.model

Class MemStatement

java.lang.Object

org.eclipse.rdf4j.model.base.AbstractStatement

org.eclipse.rdf4j.model.impl.SimpleStatement

org.eclipse.rdf4j.model.impl.ContextStatement

org.eclipse.rdf4j.sail.memory.model.MemStatement

All Implemented Interfaces:

Serializable, Statement

public class MemStatement
extends ContextStatement

A MemStatement is a Statement which contains context information and a flag indicating whether the statement is explicit or inferred.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MemStatement(MemResource subject, MemIRI predicate, MemValue object, MemResource context, boolean explicit, int sinceSnapshot) Creates a new MemStatement with the supplied subject, predicate, object and context.
MemStatement(MemResource subject, MemIRI predicate, MemValue object, MemResource context, int sinceSnapshot) Creates a new MemStatement with the supplied subject, predicate, object and context and marks it as 'explicit'.

Method Summary

Modifier and Type	Method and Description
void	addToComponentLists() Lets this statement add itself to the appropriate statement lists of its subject, predicate, object and context.
MemResource	getContext() Gets the context of this statement.
MemValue	getObject() Gets the object of this statement.
MemIRI	getPredicate() Gets the predicate of this statement.
int	getSinceSnapshot()
MemResource	getSubject() Gets the subject of this statement.
int	getTillSnapshot()
boolean	isExplicit()
boolean	isInSnapshot(int snapshot)
void	removeFromComponentLists() Lets this statement remove itself from the appropriate statement lists of its subject, predicate, object and context.
void	setExplicit(boolean explicit)
void	setSinceSnapshot(int snapshot)
void	setTillSnapshot(int snapshot)

Methods inherited from class org.eclipse.rdf4j.model.impl.ContextStatement

toString

Methods inherited from class org.eclipse.rdf4j.model.base.AbstractStatement

equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MemStatement

public MemStatement(MemResource subject,
                    MemIRI predicate,
                    MemValue object,
                    MemResource context,
                    int sinceSnapshot)

Creates a new MemStatement with the supplied subject, predicate, object and context and marks it as 'explicit'.

MemStatement

public MemStatement(MemResource subject,
                    MemIRI predicate,
                    MemValue object,
                    MemResource context,
                    boolean explicit,
                    int sinceSnapshot)

Creates a new MemStatement with the supplied subject, predicate, object and context. The value of the explicit parameter determines if this statement is marked as 'explicit' or not.

Method Detail

getSubject

public MemResource getSubject()

Description copied from interface: Statement

Gets the subject of this statement.

Specified by:

getSubject in interface Statement

Overrides:

getSubject in class SimpleStatement

Returns:

The statement's subject.

getPredicate

public MemIRI getPredicate()

Description copied from interface: Statement

Gets the predicate of this statement.

Specified by:

getPredicate in interface Statement

Overrides:

getPredicate in class SimpleStatement

Returns:

The statement's predicate.

getObject

public MemValue getObject()

Description copied from interface: Statement

Gets the object of this statement.

Specified by:

getObject in interface Statement

Overrides:

getObject in class SimpleStatement

Returns:

The statement's object.

getContext

public MemResource getContext()

Description copied from interface: Statement

Gets the context of this statement.

Specified by:

getContext in interface Statement

Overrides:

getContext in class ContextStatement

Returns:

The statement's context, or null in case of the null context or if not applicable.

setSinceSnapshot

public void setSinceSnapshot(int snapshot)

getSinceSnapshot

public int getSinceSnapshot()

setTillSnapshot

public void setTillSnapshot(int snapshot)

getTillSnapshot

public int getTillSnapshot()

isInSnapshot

public boolean isInSnapshot(int snapshot)

setExplicit

public void setExplicit(boolean explicit)

isExplicit

public boolean isExplicit()

addToComponentLists

public void addToComponentLists()

Lets this statement add itself to the appropriate statement lists of its subject, predicate, object and context. The transaction status will be set to new.

removeFromComponentLists

public void removeFromComponentLists()

Lets this statement remove itself from the appropriate statement lists of its subject, predicate, object and context. The transaction status will be set to null.