org.openrdf.sail.federation
Class Federation

java.lang.Object
  org.openrdf.sail.federation.Federation

All Implemented Interfaces:

Executor, Sail

public class Federation
extends Object
implements Sail, Executor

Union multiple (possibly remote) Repositories into a single RDF store.

Author:

James Leigh, Arjohn Kampman

Constructor Summary

Federation()

Method Summary

void	addMember(Repository member)
void	execute(Runnable command)
SailConnection	getConnection()
File	getDataDir()
PrefixHashSet	getLocalPropertySpace()
ValueFactory	getValueFactory()
void	initialize()
boolean	isDistinct()
boolean	isReadOnly()
boolean	isWritable()
void	setDataDir(File dataDir)
void	setDistinct(boolean distinct)
void	setLocalPropertySpace(Collection<String> localPropertySpace)
void	setReadOnly(boolean readOnly)
void	shutDown()

Methods inherited from class java.lang.Object

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

Constructor Detail

Federation

public Federation()

Method Detail

getDataDir

public File getDataDir()

Specified by:

getDataDir in interface Sail

setDataDir

public void setDataDir(File dataDir)

Specified by:

setDataDir in interface Sail

getValueFactory

public ValueFactory getValueFactory()

Specified by:

getValueFactory in interface Sail

isWritable

public boolean isWritable()
                   throws SailException

Specified by:

isWritable in interface Sail

Throws:

SailException

addMember

public void addMember(Repository member)

getLocalPropertySpace

public PrefixHashSet getLocalPropertySpace()

Returns:

PrefixHashSet or null

setLocalPropertySpace

public void setLocalPropertySpace(Collection<String> localPropertySpace)

isDistinct

public boolean isDistinct()

setDistinct

public void setDistinct(boolean distinct)

isReadOnly

public boolean isReadOnly()

setReadOnly

public void setReadOnly(boolean readOnly)

initialize

public void initialize()
                throws SailException

Specified by:

initialize in interface Sail

Throws:

SailException

shutDown

public void shutDown()
              throws SailException

Specified by:

shutDown in interface Sail

Throws:

SailException

execute

public void execute(Runnable command)

Specified by:

execute in interface Executor

getConnection

public SailConnection getConnection()
                             throws SailException

Specified by:

getConnection in interface Sail

Throws:

SailException