org.openrdf.sail.memory.model

Class MemStatement

java.lang.Object

org.openrdf.model.impl.StatementImpl

org.openrdf.model.impl.ContextStatementImpl

org.openrdf.sail.memory.model.MemStatement

All Implemented Interfaces:

Serializable, Statement

public class MemStatement
extends ContextStatementImpl

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, MemURI predicate, MemValue object, MemResource context, boolean explicit, int sinceSnapshot) Creates a new MemStatement with the supplied subject, predicate, object and context and marks it as 'explicit'.
MemStatement(MemResource subject, MemURI predicate, MemValue object, MemResource context, boolean explicit, int sinceSnapshot, TxnStatus txnStatus) Creates a new MemStatement with the supplied subject, predicate, object and context.
MemStatement(MemResource subject, MemURI 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.
MemURI	getPredicate() Gets the predicate of this statement.
int	getSinceSnapshot()
MemResource	getSubject() Gets the subject of this statement.
int	getTillSnapshot()
TxnStatus	getTxnStatus()
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)
void	setTxnStatus(TxnStatus txnStatus)

Methods inherited from class org.openrdf.model.impl.ContextStatementImpl

toString

Methods inherited from class org.openrdf.model.impl.StatementImpl

equals, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

MemStatement

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

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

MemStatement

public MemStatement(MemResource subject,
                    MemURI predicate,
                    MemValue object,
                    MemResource context,
                    boolean explicit,
                    int sinceSnapshot,
                    TxnStatus txnStatus)

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 StatementImpl

Returns:

The statement's subject.

getPredicate

public MemURI getPredicate()

Description copied from interface: Statement

Gets the predicate of this statement.

Specified by:

getPredicate in interface Statement

Overrides:

getPredicate in class StatementImpl

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 StatementImpl

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 ContextStatementImpl

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()

setTxnStatus

public void setTxnStatus(TxnStatus txnStatus)

getTxnStatus

public TxnStatus getTxnStatus()

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 TxnStatus.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.