java.lang.Object

org.apache.jena.rdflink.RDFLinkAdapter

All Implemented Interfaces:: AutoCloseable, LinkDatasetGraph, LinkDatasetGraphAccess, LinkSparqlQuery, LinkSparqlUpdate, RDFLink, Transactional

public class RDFLinkAdapter extends Object implements RDFLink

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.jena.sparql.core.Transactional
Transactional.Promote
Constructor Summary

Constructors

Constructor

Description

RDFLinkAdapter(RDFConnection conn)
Method Summary

Modifier and Type

Method

Description

void

abort()

static RDFLink

adapt(RDFConnection conn)

void

begin(ReadWrite readWrite)

void

begin(TxnType type)

void

clearDataset()

Clear the dataset - remove all named graphs, clear the default graph.

void

close()

Close this connection.

void

commit()

void

delete()

Remove all data from the default graph.

void

delete(Node graphName)

Delete a graph from the dataset.

void

end()

Graph

get()

Fetch the default graph.

Graph

get(Node graphName)

Fetch a named graph.

DatasetGraph

getDataset()

Fetch the contents of the dataset

boolean

isClosed()

Test whether this connection is closed or not

boolean

isInTransaction()

void

load(String file)

Send file - this merges the file RDF into the default graph of a dataset.

void

load(Graph graph)

Load (add, append) RDF into the default graph of a dataset.

void

load(Node graphName, String file)

Load (add, append) RDF into a named graph in a dataset.

void

load(Node graphName, Graph graph)

Load (add, append) RDF into a named graph in a dataset.

void

loadDataset(String file)

void

loadDataset(DatasetGraph dataset)

QueryExecBuilder

newQuery()

Return a QueryExecBuilder that is initially configured for this link setup and type.

UpdateExecBuilder

newUpdate()

Return a UpdateExecBuilder that is initially configured for this link setup and type.

boolean

promote(Transactional.Promote mode)

void

put(String file)

Set the contents of the default graph of a dataset.

void

put(Graph graph)

Set the contents of the default graph of a dataset.

void

put(Node graphName, String file)

Set the contents of a named graph of a dataset.

void

put(Node graphName, Graph graph)

Set the contents of a named graph of a dataset.

void

putDataset(String file)

void

putDataset(DatasetGraph dataset)

QueryExec

query(String queryString)

Setup a SPARQL query execution.

QueryExec

query(Query query)

Setup a SPARQL query execution.

ReadWrite

transactionMode()

TxnType

transactionType()

void

update(String update)

Execute a SPARQL Update.

void

update(UpdateRequest update)

Execute a SPARQL Update.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.jena.rdflink.RDFLink
isRemote, queryAsk, queryAsk, queryConstruct, queryConstruct, queryConstructDataset, queryConstructDataset, queryDescribe, queryDescribe, queryRowSet, queryRowSet, querySelect, querySelect, update

Methods inherited from interface org.apache.jena.sparql.core.Transactional
begin, calc, calculate, calculateRead, calculateWrite, exec, execute, executeRead, executeWrite, promote

Constructor Details
- RDFLinkAdapter
  
  public RDFLinkAdapter(RDFConnection conn)
Method Details
- adapt
  
  public static RDFLink adapt(RDFConnection conn)
- begin
  
  public void begin(TxnType type)
  
  Specified by:
  
  begin in interface Transactional
- begin
  
  public void begin(ReadWrite readWrite)
  
  Specified by:
  
  begin in interface Transactional
- promote
  
  public boolean promote(Transactional.Promote mode)
  
  Specified by:
  
  promote in interface Transactional
- commit
  
  public void commit()
  
  Specified by:
  
  commit in interface Transactional
- abort
  
  public void abort()
  
  Specified by:
  
  abort in interface Transactional
- end
  
  public void end()
  
  Specified by:
  
  end in interface Transactional
- transactionMode
  
  public ReadWrite transactionMode()
  
  Specified by:
  
  transactionMode in interface Transactional
- transactionType
  
  public TxnType transactionType()
  
  Specified by:
  
  transactionType in interface Transactional
- isInTransaction
  
  public boolean isInTransaction()
  
  Specified by:
  
  isInTransaction in interface Transactional
- getDataset
  
  public DatasetGraph getDataset()
  
  Description copied from interface: LinkDatasetGraphAccess
  
  Fetch the contents of the dataset
  
  Specified by:
  
  getDataset in interface LinkDatasetGraphAccess
- query
  
  public QueryExec query(Query query)
  
  Description copied from interface: RDFLink
  
  Setup a SPARQL query execution. See also RDFLink.querySelect(Query, Consumer), RDFLink.queryConstruct(Query), RDFLink.queryDescribe(Query), RDFLink.queryAsk(Query) for ways to execute queries for of a specific form.
  
  Specified by:
  
  query in interface LinkSparqlQuery
  
  Specified by:
  
  query in interface RDFLink
  
  Returns:
  
  QueryExecution
- query
  
  public QueryExec query(String queryString)
  
  Description copied from interface: RDFLink
  
  Setup a SPARQL query execution.
  This is a low-level operation. Handling the QueryExecution should be done with try-resource. Some QueryExecutions, such as ones connecting to a remote server, need to be properly closed to release system resources.
  See also RDFLink.querySelect(String, Consumer), RDFLink.queryConstruct(String), RDFLink.queryDescribe(String), RDFLink.queryAsk(String) for ways to execute queries of a specific form.
  
  Specified by:
  
  query in interface LinkSparqlQuery
  
  Specified by:
  
  query in interface RDFLink
  
  Returns:
  
  QueryExecution
- newQuery
  
  public QueryExecBuilder newQuery()
  
  Description copied from interface: RDFLink
  
  Return a QueryExecBuilder that is initially configured for this link setup and type. The query built will be set to go to the same dataset/remote endpoint as the other RDFLink operations.
  
  Specified by:
  
  newQuery in interface LinkSparqlQuery
  
  Specified by:
  
  newQuery in interface RDFLink
  
  Returns:
  
  QueryExecBuilder
- newUpdate
  
  public UpdateExecBuilder newUpdate()
  
  Description copied from interface: RDFLink
  
  Return a UpdateExecBuilder that is initially configured for this link setup and type. The update built will be set to go to the same dataset/remote endpoint as the other RDFLink operations.
  
  Specified by:
  
  newUpdate in interface LinkSparqlUpdate
  
  Specified by:
  
  newUpdate in interface RDFLink
  
  Returns:
  
  UpdateExecBuilder
- update
  
  public void update(UpdateRequest update)
  
  Description copied from interface: RDFLink
  
  Execute a SPARQL Update.
  
  Specified by:
  
  update in interface LinkSparqlUpdate
  
  Specified by:
  
  update in interface RDFLink
- update
  
  public void update(String update)
  
  Description copied from interface: RDFLink
  
  Execute a SPARQL Update.
  
  Specified by:
  
  update in interface LinkSparqlUpdate
  
  Specified by:
  
  update in interface RDFLink
- get
  
  public Graph get()
  
  Description copied from interface: RDFLink
  
  Fetch the default graph. This is SPARQL Graph Store Protocol HTTP GET or equivalent.
  
  Specified by:
  
  get in interface LinkDatasetGraphAccess
  
  Specified by:
  
  get in interface RDFLink
  
  Returns:
  
  Graph
- get
  
  public Graph get(Node graphName)
  
  Description copied from interface: RDFLink
  
  Fetch a named graph. This is SPARQL Graph Store Protocol HTTP GET or equivalent.
  
  Specified by:
  
  get in interface LinkDatasetGraphAccess
  
  Specified by:
  
  get in interface RDFLink
  
  Parameters:
  
  graphName - URI string for the graph name (null or Quad.defaultGraphIRI for the default graph)
  
  Returns:
  
  Graph
- load
  
  public void load(String file)
  
  Description copied from interface: RDFLink
  Send file - this merges the file RDF into the default graph of a dataset. This is SPARQL Graph Store Protocol HTTP POST or equivalent.
  If this is a remote connection:
  
  The file is sent as-is and not parsed in the RDFLink
  The Content-Type is determined by the filename
  Specified by:
  
  load in interface LinkDatasetGraph
  
  Specified by:
  
  load in interface RDFLink
  
  Parameters:
  
  file - File of the data.
- load
  
  public void load(Node graphName, String file)
  
  Description copied from interface: RDFLink
  Load (add, append) RDF into a named graph in a dataset. This is SPARQL Graph Store Protocol HTTP POST or equivalent.
  If this is a remote connection:
  
  The file is sent as-is and not parsed in the RDFLink
  The Content-Type is determined by the filename
  Specified by:
  
  load in interface LinkDatasetGraph
  
  Specified by:
  
  load in interface RDFLink
  
  Parameters:
  
  graphName - Graph name (null or Quad.defaultGraphIRI for the default graph)
  
  file - File of the data.
- load
  
  public void load(Graph graph)
  
  Description copied from interface: RDFLink
  
  Load (add, append) RDF into the default graph of a dataset. This is SPARQL Graph Store Protocol HTTP POST or equivalent.
  
  Specified by:
  
  load in interface LinkDatasetGraph
  
  Specified by:
  
  load in interface RDFLink
  
  Parameters:
  
  graph - Data.
- load
  
  public void load(Node graphName, Graph graph)
  
  Description copied from interface: RDFLink
  
  Load (add, append) RDF into a named graph in a dataset. This is SPARQL Graph Store Protocol HTTP POST or equivalent.
  
  Specified by:
  
  load in interface LinkDatasetGraph
  
  Specified by:
  
  load in interface RDFLink
  
  Parameters:
  
  graphName - Graph name (null or Quad.defaultGraphIRI for the default graph)
  
  graph - Data.
- put
  
  public void put(String file)
  
  Description copied from interface: RDFLink
  Set the contents of the default graph of a dataset. Any existing data is lost. This is SPARQL Graph Store Protocol HTTP PUT or equivalent.
  If this is a remote connection:
  
  The file is sent as-is and not parsed in the RDFLink
  The Content-Type is determined by the filename
  Specified by:
  
  put in interface LinkDatasetGraph
  
  Specified by:
  
  put in interface RDFLink
  
  Parameters:
  
  file - File of the data.
- put
  
  public void put(Node graphName, String file)
  
  Description copied from interface: RDFLink
  
  Set the contents of a named graph of a dataset. Any existing data is lost. This is SPARQL Graph Store Protocol HTTP PUT or equivalent.
  
  Specified by:
  
  put in interface LinkDatasetGraph
  
  Specified by:
  
  put in interface RDFLink
  
  Parameters:
  
  graphName - Graph name (null or Quad.defaultGraphIRI for the default graph)
  
  file - File of the data.
- put
  
  public void put(Graph graph)
  
  Description copied from interface: RDFLink
  Set the contents of the default graph of a dataset. Any existing data is lost. This is SPARQL Graph Store Protocol HTTP PUT or equivalent.
  If this is a remote connection:
  
  The file is sent as-is and not parsed in the RDFLink
  The Content-Type is determined by the filename
  Specified by:
  
  put in interface LinkDatasetGraph
  
  Specified by:
  
  put in interface RDFLink
  
  Parameters:
  
  graph - Data.
- put
  
  public void put(Node graphName, Graph graph)
  
  Description copied from interface: RDFLink
  
  Set the contents of a named graph of a dataset. Any existing data is lost. This is SPARQL Graph Store Protocol HTTP PUT or equivalent.
  
  Specified by:
  
  put in interface LinkDatasetGraph
  
  Specified by:
  
  put in interface RDFLink
  
  Parameters:
  
  graphName - Graph name (null or Quad.defaultGraphIRI for the default graph)
  
  graph - Data.
- delete
  
  public void delete(Node graphName)
  
  Description copied from interface: RDFLink
  
  Delete a graph from the dataset. Null or Quad.defaultGraphIRI means the default graph, which is cleared, not removed.
  
  Specified by:
  
  delete in interface LinkDatasetGraph
  
  Specified by:
  
  delete in interface RDFLink
- delete
  
  public void delete()
  
  Description copied from interface: RDFLink
  
  Remove all data from the default graph.
  
  Specified by:
  
  delete in interface LinkDatasetGraph
  
  Specified by:
  
  delete in interface RDFLink
- loadDataset
  
  public void loadDataset(String file)
  
  Specified by:
  
  loadDataset in interface LinkDatasetGraph
  
  Specified by:
  
  loadDataset in interface RDFLink
- loadDataset
  
  public void loadDataset(DatasetGraph dataset)
  
  Specified by:
  
  loadDataset in interface LinkDatasetGraph
  
  Specified by:
  
  loadDataset in interface RDFLink
- putDataset
  
  public void putDataset(String file)
  
  Specified by:
  
  putDataset in interface LinkDatasetGraph
  
  Specified by:
  
  putDataset in interface RDFLink
- putDataset
  
  public void putDataset(DatasetGraph dataset)
  
  Specified by:
  
  putDataset in interface LinkDatasetGraph
  
  Specified by:
  
  putDataset in interface RDFLink
- clearDataset
  
  public void clearDataset()
  
  Description copied from interface: RDFLink
  
  Clear the dataset - remove all named graphs, clear the default graph.
  
  Specified by:
  
  clearDataset in interface LinkDatasetGraph
  
  Specified by:
  
  clearDataset in interface RDFLink
- isClosed
  
  public boolean isClosed()
  
  Description copied from interface: RDFLink
  
  Test whether this connection is closed or not
  
  Specified by:
  
  isClosed in interface LinkDatasetGraph
  
  Specified by:
  
  isClosed in interface LinkDatasetGraphAccess
  
  Specified by:
  
  isClosed in interface RDFLink
- close
  
  public void close()
  
  Description copied from interface: RDFLink
  
  Close this connection. Use with try-resource.
  
  Specified by:
  
  close in interface AutoCloseable
  
  Specified by:
  
  close in interface LinkDatasetGraph
  
  Specified by:
  
  close in interface LinkDatasetGraphAccess
  
  Specified by:
  
  close in interface LinkSparqlQuery
  
  Specified by:
  
  close in interface LinkSparqlUpdate
  
  Specified by:
  
  close in interface RDFLink

Class RDFLinkAdapter

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.jena.sparql.core.Transactional

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.jena.rdflink.RDFLink

Methods inherited from interface org.apache.jena.sparql.core.Transactional

Constructor Details

RDFLinkAdapter

Method Details

adapt

begin

begin

promote

commit

abort

end

transactionMode

transactionType

isInTransaction

getDataset

query

query

newQuery

newUpdate

update

update

get

get

load

load

load

load

put

put

put

put

delete

delete

loadDataset

loadDataset

putDataset

putDataset

clearDataset

isClosed

close