org.openrdf.sail.federation
Class Federation

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

All Implemented Interfaces:

Executor, Sail

public class Federation
extends SailBase
implements Executor

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

Author:

James Leigh, Arjohn Kampman

Field Summary

Fields inherited from class org.openrdf.sail.helpers.SailBase

connectionTimeOut, DEFAULT_CONNECTION_TIMEOUT, logger

Constructor Summary

Federation()

Method Summary

void	addMember(Repository member)
void	execute(Runnable command)
protected SailConnection	getConnectionInternal()
PrefixHashSet	getLocalPropertySpace()
ValueFactory	getValueFactory()
void	initialize()
boolean	isDistinct()
boolean	isReadOnly()
boolean	isWritable()
void	setDistinct(boolean distinct)
void	setLocalPropertySpace(Collection<String> localPropertySpace)
void	setReadOnly(boolean readOnly)
protected void	shutDownInternal()

Methods inherited from class org.openrdf.sail.helpers.SailBase

connectionClosed, debugEnabled, getConnection, getDataDir, setDataDir, shutDown, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Federation

public Federation()

Method Detail

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

shutDownInternal

protected void shutDownInternal()
                         throws SailException

Specified by:

shutDownInternal in class SailBase

Throws:

SailException

execute

public void execute(Runnable command)

Specified by:

execute in interface Executor

getConnectionInternal

protected SailConnection getConnectionInternal()
                                        throws SailException

Specified by:

getConnectionInternal in class SailBase

Throws:

SailException