org.openanzo.model.impl
Class NamedGraphContainer

java.lang.Object
  org.openanzo.model.impl.QuadStore
      org.openanzo.model.impl.NamedGraphContainer

All Implemented Interfaces:

IContainer

public class NamedGraphContainer
extends QuadStore
implements IContainer

Container that stores data in a QuadStore

Author:

Stephen Evanchik, Joe Betz, Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

NamedGraphContainer(org.openrdf.model.URI uri)
Create new Container with given URI

Method Summary

void	add(java.util.Iterator<org.openrdf.model.Statement> statements) Add a set of statements from container
void	add(org.openrdf.model.Resource subj, org.openrdf.model.URI pred, org.openrdf.model.Value obj, org.openrdf.model.Resource context) Add a new statement with given subj,pred,obj,context
void	add(org.openrdf.model.Statement... statements) Add statements to store and index them
void	clear(org.openrdf.model.Resource... context) Delete all statements in container for given contexts
void	close() Disconnect container from its source and close the container Note: Once a container is closed, it is based on the source of the container's data whether or not subsequent calls to connect will return the same data
void	connect() Connect container to its source
void	delete(java.util.Iterator<org.openrdf.model.Statement> statements) Delete a set of statements from container
void	delete(org.openrdf.model.Resource subj, org.openrdf.model.URI pred, org.openrdf.model.Value obj, org.openrdf.model.Resource context) Delete a statement from container
void	delete(org.openrdf.model.Statement... statements) Delete statements from store and remove indexes
QueryResult	executeQuery(java.util.Set<org.openrdf.model.URI> defaultNamedGraphsIn, java.util.Set<org.openrdf.model.URI> namedGraphsIn, java.lang.String query) Execute a SPARQL query against the data within this container
info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement>	find(org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, org.openrdf.model.Resource... contexts) Return an iterator over all statements that match the pattern of subj,prop,obj
java.util.Set<org.openrdf.model.URI>	getContexts() Return the set of contexts contained within store
INamedGraphEventManager	getEventManager() Return INamedGraphEventManager for this container
info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement>	getStatements() Get an iterator over all statements within this container
ITransactionManager	getTransactionManager() Return ITransactionManager for this container
org.openrdf.model.URI	getURI() Get URI of IContainer
boolean	isClosed() Return if container is closed
boolean	isConnected() Return if the container is connected to its source
void	setEventManager(INamedGraphEventManager eventManager) Set INamedGraphEventManager for this container
void	setTransactionManager(ITransactionManager transactionManager) Set ITransactionManager for this container

Methods inherited from class org.openanzo.model.impl.QuadStore

clear, contains, contains, findStatements, getAllStatements, isEmpty, isEmpty, size, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openanzo.model.IContainer

clear, contains, contains, isEmpty, isEmpty, size, size

Constructor Detail

NamedGraphContainer

public NamedGraphContainer(org.openrdf.model.URI uri)

Create new Container with given URI

Parameters:

uri - uri of container

Method Detail

getURI

public org.openrdf.model.URI getURI()

Description copied from interface: IContainer

Get URI of IContainer

Specified by:

getURI in interface IContainer

Returns:

URI for this container

find

public info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> find(org.openrdf.model.Resource subj,
                                                                                            org.openrdf.model.URI prop,
                                                                                            org.openrdf.model.Value obj,
                                                                                            org.openrdf.model.Resource... contexts)

Description copied from interface: IContainer

Return an iterator over all statements that match the pattern of subj,prop,obj

Specified by:

find in interface IContainer

Parameters:

subj - Subject resource to match, or wildcard if null

prop - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

contexts - Context values to match, or wildcard if null

Returns:

an iterator of all statements that match the pattern of subj,prop,obj,context

add

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

Description copied from class: QuadStore

Add statements to store and index them

Specified by:

add in interface IContainer

Overrides:

add in class QuadStore

Parameters:

statements - Statements to add

delete

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

Description copied from class: QuadStore

Delete statements from store and remove indexes

Specified by:

delete in interface IContainer

Overrides:

delete in class QuadStore

Parameters:

statements - Statements to delete

add

public void add(java.util.Iterator<org.openrdf.model.Statement> statements)

Description copied from interface: IContainer

Add a set of statements from container

Specified by:

add in interface IContainer

Parameters:

statements - statements to add to container

delete

public void delete(java.util.Iterator<org.openrdf.model.Statement> statements)

Description copied from interface: IContainer

Delete a set of statements from container

Specified by:

delete in interface IContainer

Parameters:

statements - statements to delete from container

add

public void add(org.openrdf.model.Resource subj,
                org.openrdf.model.URI pred,
                org.openrdf.model.Value obj,
                org.openrdf.model.Resource context)

Description copied from interface: IContainer

Add a new statement with given subj,pred,obj,context

Specified by:

add in interface IContainer

Parameters:

subj - Subject of statement

pred - Predicate of statement

obj - Object of statement

context - Context of statement

getStatements

public info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> getStatements()

Description copied from interface: IContainer

Get an iterator over all statements within this container

Specified by:

getStatements in interface IContainer

Returns:

CloseableIterator of all statements within this container

isClosed

public boolean isClosed()

Description copied from interface: IContainer

Return if container is closed

Specified by:

isClosed in interface IContainer

Returns:

true if container is closed

getEventManager

public INamedGraphEventManager getEventManager()

Description copied from interface: IContainer

Return INamedGraphEventManager for this container

Specified by:

getEventManager in interface IContainer

Returns:

INamedGraphEventManager for this container

getTransactionManager

public ITransactionManager getTransactionManager()

Description copied from interface: IContainer

Return ITransactionManager for this container

Specified by:

getTransactionManager in interface IContainer

Returns:

ITransactionManager for this container

setEventManager

public void setEventManager(INamedGraphEventManager eventManager)

Description copied from interface: IContainer

Set INamedGraphEventManager for this container

Specified by:

setEventManager in interface IContainer

Parameters:

eventManager - set the Containers eventManaget

setTransactionManager

public void setTransactionManager(ITransactionManager transactionManager)

Description copied from interface: IContainer

Set ITransactionManager for this container

Specified by:

setTransactionManager in interface IContainer

Parameters:

transactionManager - set ITransactionManager for this container

close

public void close()

Description copied from interface: IContainer

Disconnect container from its source and close the container Note: Once a container is closed, it is based on the source of the container's data whether or not subsequent calls to connect will return the same data

Specified by:

close in interface IContainer

clear

public void clear(org.openrdf.model.Resource... context)

Description copied from interface: IContainer

Delete all statements in container for given contexts

Specified by:

clear in interface IContainer

Parameters:

context - Contexts to clear from container

delete

public void delete(org.openrdf.model.Resource subj,
                   org.openrdf.model.URI pred,
                   org.openrdf.model.Value obj,
                   org.openrdf.model.Resource context)

Description copied from interface: IContainer

Delete a statement from container

Specified by:

delete in interface IContainer

Parameters:

subj - Subject resource to match, or wildcard if null

pred - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

context - Context values to match, or wildcard if null

connect

public void connect()

Description copied from interface: IContainer

Connect container to its source

Specified by:

connect in interface IContainer

isConnected

public boolean isConnected()

Description copied from interface: IContainer

Return if the container is connected to its source

Specified by:

isConnected in interface IContainer

Returns:

if the container is connected to its source

executeQuery

public QueryResult executeQuery(java.util.Set<org.openrdf.model.URI> defaultNamedGraphsIn,
                                java.util.Set<org.openrdf.model.URI> namedGraphsIn,
                                java.lang.String query)
                         throws AnzoException

Description copied from interface: IContainer

Execute a SPARQL query against the data within this container

Specified by:

executeQuery in interface IContainer

Parameters:

defaultNamedGraphsIn - Set<URI> of URIs for NamedGraphs that will make up the default graph for this query

namedGraphsIn - Set<URI> of URIs for NamedGraphs that will make up the NamedGraphs for this query

query - SPARQL query string

Returns:

Results of running query

Throws:

AnzoException

getContexts

public java.util.Set<org.openrdf.model.URI> getContexts()

Description copied from class: QuadStore

Return the set of contexts contained within store

Specified by:

getContexts in interface IContainer

Overrides:

getContexts in class QuadStore

Returns:

collection of contexts contained within store