org.openanzo.model.proxy
Class ProxyGraph

java.lang.Object
  org.openanzo.model.proxy.ProxyGraph

All Implemented Interfaces:

INamedGraph, IProxyGraph

Direct Known Subclasses:

DeltaGraph, NamedGraphProxy, NamedGraphWithMetaData

public abstract class ProxyGraph
extends java.lang.Object
implements IProxyGraph

Implementation of IProxyGraph that wraps a parent graph's methods in order to add extra features,filtering, ect.

Author:

Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

ProxyGraph()

Method Summary

void	add(info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> statements) Add a set of statements from graph
void	add(org.openrdf.model.Resource subj, org.openrdf.model.URI pred, org.openrdf.model.Value obj) Add a new statement with given subj,pred,obj
void	add(org.openrdf.model.Statement... statements) Add one or more statements to graph
void	clear() Delete all statements in graph
void	close() Close the graph.
boolean	contains(org.openrdf.model.Resource s, org.openrdf.model.URI p, org.openrdf.model.Value o) Return true if the graph contains at least 1 statement that matches the pattern of subj,prop,obj
boolean	contains(org.openrdf.model.Statement statement) Return true if the graph contains at least 1 statement that matches the statement provided
void	delete(info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> statements) Delete a set of statements from graph
void	delete(org.openrdf.model.Resource subj, org.openrdf.model.URI pred, org.openrdf.model.Value obj) Delete a statement from graph
void	delete(org.openrdf.model.Statement... statements) Delete a set of statements from graph
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) Return an iterator of all statements that match the pattern of subj,prop,obj
INamedGraphEventManager	getEventManager() Return INamedGraphEventManager for this graph
abstract INamedGraph	getParentGraph() Get the graph to which this proxy is proxing information.
info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement>	getStatements() Get an iterator of all statements within this graph
ITransactionManager	getTransactionManager() Return ITransactionManager for this graph
boolean	isEmpty() Return if graph is empty
int	size() Return number of statements in graph

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openanzo.model.INamedGraph

getNamedGraphUri, isClosed, setNamedGraphUri

Constructor Detail

ProxyGraph

public ProxyGraph()

Method Detail

getParentGraph

public abstract INamedGraph getParentGraph()

Description copied from interface: IProxyGraph

Get the graph to which this proxy is proxing information.

Specified by:

getParentGraph in interface IProxyGraph

Returns:

parent graph to which this proxy is proxing information

add

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

Description copied from interface: INamedGraph

Add a new statement with given subj,pred,obj

Specified by:

add in interface INamedGraph

Parameters:

subj - Subject of statement

pred - Predicate of statement

obj - Object of statement

delete

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

Description copied from interface: INamedGraph

Delete a statement from graph

Specified by:

delete in interface INamedGraph

Parameters:

subj - Subject of statement

pred - Predicate of statement

obj - Object of statement

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

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

Parameters:

statements - statements to delete from graph

add

public void add(info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> statements)

Description copied from interface: INamedGraph

Add a set of statements from graph

Specified by:

add in interface INamedGraph

Parameters:

statements - statements to delete from graph

delete

public void delete(info.aduna.collections.iterators.CloseableIterator<org.openrdf.model.Statement> statements)

Description copied from interface: INamedGraph

Delete a set of statements from graph

Specified by:

delete in interface INamedGraph

Parameters:

statements - statements to delete from graph

contains

public boolean contains(org.openrdf.model.Resource s,
                        org.openrdf.model.URI p,
                        org.openrdf.model.Value o)

Description copied from interface: INamedGraph

Return true if the graph contains at least 1 statement that matches the pattern of subj,prop,obj

Specified by:

contains in interface INamedGraph

Parameters:

s - Subject resource to match, or wildcard if null

p - Predicate uri to match, or wildcard if null

o - Object value to match, or wildcard if null

Returns:

true if the graph contains at least 1 statement that matches the pattern of subj,prop,obj

contains

public boolean contains(org.openrdf.model.Statement statement)

Description copied from interface: INamedGraph

Return true if the graph contains at least 1 statement that matches the statement provided

Specified by:

contains in interface INamedGraph

Parameters:

statement - Statement to check for existence in graph

Returns:

true if the graph contains at least 1 statement that matches the statement provided

getStatements

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

Description copied from interface: INamedGraph

Get an iterator of all statements within this graph

Specified by:

getStatements in interface INamedGraph

Returns:

CloseableIterator of all statements within this graph

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)

Description copied from interface: INamedGraph

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

Specified by:

find in interface INamedGraph

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

Returns:

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

size

public int size()

Description copied from interface: INamedGraph

Return number of statements in graph

Specified by:

size in interface INamedGraph

Returns:

number of statements in graph

isEmpty

public boolean isEmpty()

Description copied from interface: INamedGraph

Return if graph is empty

Specified by:

isEmpty in interface INamedGraph

Returns:

true if graph is empty

clear

public void clear()

Description copied from interface: INamedGraph

Delete all statements in graph

Specified by:

clear in interface INamedGraph

close

public void close()

Description copied from interface: INamedGraph

Close the graph.

Specified by:

close in interface INamedGraph

getEventManager

public INamedGraphEventManager getEventManager()

Description copied from interface: INamedGraph

Return INamedGraphEventManager for this graph

Specified by:

getEventManager in interface INamedGraph

Returns:

INamedGraphEventManager for this graph

getTransactionManager

public ITransactionManager getTransactionManager()

Description copied from interface: INamedGraph

Return ITransactionManager for this graph

Specified by:

getTransactionManager in interface INamedGraph

Returns:

ITransactionManager for this graph