org.openanzo.client
Class NamedGraphBase

java.lang.Object
  org.openanzo.model.proxy.ProxyGraph
      org.openanzo.model.proxy.NamedGraphWithMetaData<INamedGraph>
          org.openanzo.client.NamedGraphBase

All Implemented Interfaces:

INamedGraph, INamedGraphWithMetaData, IProxyGraph

Direct Known Subclasses:

LocalGraph, RemoteGraph

public class NamedGraphBase
extends NamedGraphWithMetaData<INamedGraph>

Base class for LocalGraph and RemoteGraph. Contains methods needed to keep reference count for graph and method to close graph.

Author:

Matthew Roy ( mroy@cambridgesemantics.com )

Method Summary

void	add(org.openrdf.model.Statement... statements) Add one or more statements to graph
void	clear() Delete all statements in graph
void	delete(org.openrdf.model.Statement... statements) Delete a set of statements from graph
DatasetService	getDataSetService() Get the parent DatasetService
INamedGraph	getMetaDataGraph() Get the MetaDataGraph for the INamedGraph
INamedGraph	getParentGraph() Get the graph to which this proxy is proxing information.
ITransactionQueueManager	getTransactionQueueHandler() Return the ITransactionQueueManager for this graph
int	getUsageCount() Return the reference count
boolean	isClosed() Return if graph is closed

Methods inherited from class org.openanzo.model.proxy.NamedGraphWithMetaData

createDefault, getNamedGraphUri, setNamedGraphUri, toString

Methods inherited from class org.openanzo.model.proxy.ProxyGraph

add, add, close, contains, contains, delete, delete, find, getEventManager, getStatements, getTransactionManager, isEmpty, size

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.openanzo.model.INamedGraph

add, add, close, contains, contains, delete, delete, find, getEventManager, getStatements, getTransactionManager, isEmpty, size

Method Detail

getUsageCount

public final int getUsageCount()

Return the reference count

Returns:

reference count

getDataSetService

public DatasetService getDataSetService()

Get the parent DatasetService

Returns:

the parent DatasetService

getTransactionQueueHandler

public ITransactionQueueManager getTransactionQueueHandler()

Return the ITransactionQueueManager for this graph

Returns:

the ITransactionQueueManager for this graph

getParentGraph

public INamedGraph getParentGraph()

Description copied from interface: IProxyGraph

Get the graph to which this proxy is proxing information.

Specified by:

getParentGraph in interface IProxyGraph

Overrides:

getParentGraph in class NamedGraphWithMetaData<INamedGraph>

Returns:

parent graph to which this proxy is proxing information

getMetaDataGraph

public INamedGraph getMetaDataGraph()

Description copied from interface: INamedGraphWithMetaData

Get the MetaDataGraph for the INamedGraph

Specified by:

getMetaDataGraph in interface INamedGraphWithMetaData

Overrides:

getMetaDataGraph in class NamedGraphWithMetaData<INamedGraph>

Returns:

MetaDataGraph for the INamedGraph

add

public void add(org.openrdf.model.Statement... statements)

Description copied from interface: INamedGraph

Add one or more statements to graph

Specified by:

add in interface INamedGraph

Overrides:

add in class ProxyGraph

Parameters:

statements - statements to add to graph

delete

public void delete(org.openrdf.model.Statement... statements)

Description copied from interface: INamedGraph

Delete a set of statements from graph

Specified by:

delete in interface INamedGraph

Overrides:

delete in class ProxyGraph

Parameters:

statements - statements to delete from graph

isClosed

public boolean isClosed()

Description copied from interface: INamedGraph

Return if graph is closed

Specified by:

isClosed in interface INamedGraph

Overrides:

isClosed in class NamedGraphWithMetaData<INamedGraph>

Returns:

true if graph is closed

clear

public void clear()

Description copied from interface: INamedGraph

Delete all statements in graph

Specified by:

clear in interface INamedGraph

Overrides:

clear in class ProxyGraph