org.topbraid.sparql.endpoint.graphstore
Class SPARQLEndpointGraphStore

java.lang.Object
  org.topbraid.core.io.AbstractGraphStore
      org.topbraid.sparql.endpoint.graphstore.SPARQLEndpointGraphStore

All Implemented Interfaces:

IGraphStore, SPARQLEndpointConstants

public class SPARQLEndpointGraphStore
extends AbstractGraphStore
implements SPARQLEndpointConstants

Field Summary

Fields inherited from interface org.topbraid.sparql.endpoint.graphstore.SPARQLEndpointConstants

BASE_URI, CONSTRUCT, FILE_SUFFIX, MAXCONNECTATTEMPTS, SELECT, SERVICE_URL

Constructor Summary

SPARQLEndpointGraphStore()

Method Summary

void	close(org.eclipse.core.resources.IFile file) Closes any resources allocated by a given file.
java.net.URI	getBaseURI(org.eclipse.core.resources.IFile file, java.util.Set imports) Gets the declared base URI and the owl:imports of a given file.
ImageMetadata	getImageMetadata() Gets a (base) image to display files of this type in the Navigator (and potentially elsewhere).
boolean	isReadOnly(org.eclipse.core.resources.IFile file) Checks if a given IFile is read-only.
com.hp.hpl.jena.graph.Graph	load(org.eclipse.core.resources.IFile file, org.eclipse.core.runtime.IProgressMonitor monitor) Creates a new Jena Graph for a given IFile.
static com.hp.hpl.jena.graph.Graph	load(java.util.Properties p)
void	save(org.eclipse.core.resources.IFile file, com.hp.hpl.jena.graph.Graph graph, java.lang.String baseURI)
boolean	saveAs(org.eclipse.core.resources.IFile file, com.hp.hpl.jena.graph.Graph graph, java.lang.String baseURI)

Methods inherited from class org.topbraid.core.io.AbstractGraphStore

getFileExtensions, loadN3, loadProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

SPARQLEndpointGraphStore

public SPARQLEndpointGraphStore()

Method Detail

close

public void close(org.eclipse.core.resources.IFile file)
           throws java.lang.Exception

Description copied from interface: IGraphStore

Closes any resources allocated by a given file.

Specified by:

close in interface IGraphStore

Parameters:

file - the file representing the store

Throws:

java.lang.Exception

getBaseURI

public java.net.URI getBaseURI(org.eclipse.core.resources.IFile file,
                               java.util.Set imports)
                        throws java.lang.Exception

Description copied from interface: IGraphStore

Gets the declared base URI and the owl:imports of a given file. For example, in the standard file back-end this would use file introspection to check the declared xml:base and the owl:imports of the owl:Ontology.

Specified by:

getBaseURI in interface IGraphStore

Parameters:

file - the file to get the base URI of

imports - an initially empty Set that will contain imported URIs

Returns:

the base URI

Throws:

java.lang.Exception

getImageMetadata

public ImageMetadata getImageMetadata()

Description copied from interface: IGraphStore

Gets a (base) image to display files of this type in the Navigator (and potentially elsewhere).

Specified by:

getImageMetadata in interface IGraphStore

Returns:

the IImage or null to use the default image

isReadOnly

public boolean isReadOnly(org.eclipse.core.resources.IFile file)

Description copied from interface: IGraphStore

Checks if a given IFile is read-only. This is typically used for graph stores that just provide a view on some external data source, such as a D2RQ database (here: all files would be read-only), or for stores like the Sesame remote back-end where selected files may be read-only.

Specified by:

isReadOnly in interface IGraphStore

Returns:

true if this is a read-only store

load

public com.hp.hpl.jena.graph.Graph load(org.eclipse.core.resources.IFile file,
                                        org.eclipse.core.runtime.IProgressMonitor monitor)
                                 throws java.lang.Exception

Description copied from interface: IGraphStore

Creates a new Jena Graph for a given IFile. This method is only called after the system has determined whether this engine is actually responsible for the file's extension.

Specified by:

load in interface IGraphStore

Parameters:

file - the file to load

monitor - the monitor for status reports or null

Returns:

a new Graph

Throws:

java.lang.Exception - if something went wrong

load

public static com.hp.hpl.jena.graph.Graph load(java.util.Properties p)

save

public void save(org.eclipse.core.resources.IFile file,
                 com.hp.hpl.jena.graph.Graph graph,
                 java.lang.String baseURI)
          throws java.io.IOException

Specified by:

save in interface IGraphStore

Throws:

java.io.IOException

saveAs

public boolean saveAs(org.eclipse.core.resources.IFile file,
                      com.hp.hpl.jena.graph.Graph graph,
                      java.lang.String baseURI)
               throws java.lang.Exception

Specified by:

saveAs in interface IGraphStore

Returns:

true if the new IFile shall be the editor's input

Throws:

java.lang.Exception