eu.fbk.knowledgestore

Class ForwardingSession

java.lang.Object

com.google.common.collect.ForwardingObject

eu.fbk.knowledgestore.ForwardingSession

All Implemented Interfaces:

Session, Closeable, AutoCloseable

public abstract class ForwardingSession
extends ForwardingObject
implements Session

Constructor Summary

Constructors

Constructor and Description
ForwardingSession()

Method Summary

Modifier and Type	Method and Description
void	close() Closes the Session instance, releasing any resource possibly allocated.
Operation.Count	count(org.openrdf.model.URI type) Creates a new Count operation object for counting records of the type specified.
Operation.Create	create(org.openrdf.model.URI type) Creates a new Create operation object for storing new records of the type specified.
protected abstract Session	delegate()
Operation.Delete	delete(org.openrdf.model.URI type) Creates a new Delete operation object for deleting records of the type specified.
Operation.Download	download(org.openrdf.model.URI resourceID) Creates a new Download operation object.
Map<String,String>	getNamespaces() Returns the modifiable namespace map of this Session.
String	getPassword() Returns the user password, if any.
String	getUsername() Returns the username associated to this Session, if any.
boolean	isClosed() Tests whether this Session instance has been closed.
Operation.Match	match() Creates a new Match operation object for matching <resource, mention, entity, axioms> 4-tuples matching specific conditions.
Operation.Merge	merge(org.openrdf.model.URI type) Creates a new Merge operation object for merging local record description of the type specified with descriptions stored in the KnowledgeStore.
Operation.Retrieve	retrieve(org.openrdf.model.URI type) Creates a new Retrieve operation object for retrieving records of the type specified.
Operation.Sparql	sparql(String expression, Object... arguments) Creates a new Sparql operation object for evaluating a SPARQL query on crystallized axiom data.
Operation.Update	update(org.openrdf.model.URI type) Creates a new Update operation object for updating one or more properties of records of the type specified.
Operation.Upload	upload(org.openrdf.model.URI resourceID) Creates a new Upload operation object.

Methods inherited from class com.google.common.collect.ForwardingObject

toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.fbk.knowledgestore.Session

sparqldelete, sparqlupdate

Constructor Detail

ForwardingSession

public ForwardingSession()

Method Detail

delegate

protected abstract Session delegate()

Specified by:

delegate in class ForwardingObject

getUsername

@Nullable
public String getUsername()
                             throws IllegalStateException

Description copied from interface: Session

Returns the username associated to this Session, if any.

Specified by:

getUsername in interface Session

Returns:

the username, null if the Session is anonymous

Throws:

IllegalStateException - if the Session has been closed

getPassword

@Nullable
public String getPassword()
                             throws IllegalStateException

Description copied from interface: Session

Returns the user password, if any.

Specified by:

getPassword in interface Session

Returns:

the password

Throws:

IllegalStateException - if the Session has been closed

getNamespaces

public Map<String,String> getNamespaces()
                                 throws IllegalStateException

Description copied from interface: Session

Returns the modifiable namespace map of this Session. The map is backed by the default mappings of Data#getNamespaceMap(). New mappings are stored in the Session map and may override the default mappings. Removal of mappings is performed on the Session map, and may reactivate the default mapping as a consequence.

Specified by:

getNamespaces in interface Session

Returns:

the modifiable namespace map of this Session

Throws:

IllegalStateException - if the Session has been closed

download

public Operation.Download download(org.openrdf.model.URI resourceID)
                            throws IllegalStateException

Description copied from interface: Session

Creates a new Download operation object.

Specified by:

download in interface Session

Parameters:

resourceID - the ID of the resource whose representation should be downloaded

Returns:

the created Download operation object

Throws:

IllegalStateException - if the Session has been closed

upload

public Operation.Upload upload(org.openrdf.model.URI resourceID)
                        throws IllegalStateException

Description copied from interface: Session

Creates a new Upload operation object.

Specified by:

upload in interface Session

Parameters:

resourceID - the ID of the resource whose representation should be updated

Returns:

the created Upload operation object

Throws:

IllegalStateException - if the Session has been closed

count

public Operation.Count count(org.openrdf.model.URI type)
                      throws IllegalStateException

Description copied from interface: Session

Creates a new Count operation object for counting records of the type specified.

Specified by:

count in interface Session

Parameters:

type - the URI of the type of record to count, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Count operation object

Throws:

IllegalStateException - if the Session has been closed

retrieve

public Operation.Retrieve retrieve(org.openrdf.model.URI type)
                            throws IllegalStateException

Description copied from interface: Session

Creates a new Retrieve operation object for retrieving records of the type specified.

Specified by:

retrieve in interface Session

Parameters:

type - the URI of the type of record to retrieve, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Retrieve operation object

Throws:

IllegalStateException - if the Session has been closed

create

public Operation.Create create(org.openrdf.model.URI type)
                        throws IllegalStateException

Description copied from interface: Session

Creates a new Create operation object for storing new records of the type specified.

Specified by:

create in interface Session

Parameters:

type - the URI of the type of record to create, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Create operation object

Throws:

IllegalStateException - if the Session has been closed

merge

public Operation.Merge merge(org.openrdf.model.URI type)
                      throws IllegalStateException

Description copied from interface: Session

Creates a new Merge operation object for merging local record description of the type specified with descriptions stored in the KnowledgeStore.

Specified by:

merge in interface Session

Parameters:

type - the URI of the type of record to merge, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Merge operation object

Throws:

IllegalStateException - if the Session has been closed

update

public Operation.Update update(org.openrdf.model.URI type)
                        throws IllegalStateException

Description copied from interface: Session

Creates a new Update operation object for updating one or more properties of records of the type specified.

Specified by:

update in interface Session

Parameters:

type - the URI of the type of record to update, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Update operation object

Throws:

IllegalStateException - if the Session has been closed

delete

public Operation.Delete delete(org.openrdf.model.URI type)
                        throws IllegalStateException

Description copied from interface: Session

Creates a new Delete operation object for deleting records of the type specified.

Specified by:

delete in interface Session

Parameters:

type - the URI of the type of record to delete, either KS.RESOURCE, KS.MENTION, KS.ENTITY or KS.AXIOM

Returns:

the created Delete operation object

Throws:

IllegalStateException - if the Session has been closed

match

public Operation.Match match()
                      throws IllegalStateException

Description copied from interface: Session

Creates a new Match operation object for matching <resource, mention, entity, axioms> 4-tuples matching specific conditions.

Specified by:

match in interface Session

Returns:

the created Match operation object

Throws:

IllegalStateException - if the Session has been closed

sparql

public Operation.Sparql sparql(String expression,
                               Object... arguments)
                        throws IllegalStateException

Description copied from interface: Session

Creates a new Sparql operation object for evaluating a SPARQL query on crystallized axiom data.

Specified by:

sparql in interface Session

Parameters:

expression - the SPARQL query expression, not null

arguments - arguments to be injected in $$ placeholders in the query expression; can be URIs, Literals or scalar values that can be converted to Literals (e.g., strings, integers)

Returns:

the created Sparql operation object

Throws:

IllegalStateException - if the Session has been closed

isClosed

public boolean isClosed()

Description copied from interface: Session

Tests whether this Session instance has been closed.

Specified by:

isClosed in interface Session

Returns:

true, if this Session instance has been closed

close

public void close()

Description copied from interface: Session

Closes the Session instance, releasing any resource possibly allocated. Calling this method additional times has no effect. After this method is called, calls to other method of the Session interface will result in IllegalStateExceptions to be thrown.

Specified by:

close in interface Session

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable