org.eclipse.smila.ontology.records
Class SesameRecordReader

java.lang.Object
  org.eclipse.smila.ontology.records.SesameRecordReader

public class SesameRecordReader
extends java.lang.Object

reads a record from a sesame ontology.

Author:

jschumacher

Constructor Summary

SesameRecordReader(RepositoryConnection repoConn, boolean includeInferred)
create instance for connection.

Method Summary

java.lang.String	readBlackboardRecord(URI uri, Blackboard blackboard) read statements of given URI in repository into a new record on blackboard.
void	readBlackboardRecord(URI uri, Blackboard blackboard, java.lang.String id) read statements of given URI in repository into an existing record on blackboard.
Record	readRecord(URI uri) read statements of given URI in repository into a new record.
void	readRecord(URI uri, Record record) read statements of given URI in repository into an existing record.

Methods inherited from class java.lang.Object

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

Constructor Detail

SesameRecordReader

public SesameRecordReader(RepositoryConnection repoConn,
                          boolean includeInferred)

create instance for connection.

Parameters:

repoConn - a Sesame repository connection.

includeInferred - include inferred statements in reading

Method Detail

readBlackboardRecord

public java.lang.String readBlackboardRecord(URI uri,
                                             Blackboard blackboard)
                                      throws BlackboardAccessException,
                                             RepositoryException

read statements of given URI in repository into a new record on blackboard. Its ID will have SesameRecordHelper.SESAME_SOURCE as source and the URI as key.

Parameters:

uri - resource URI

blackboard - target blackboard

Returns:

record ID

Throws:

BlackboardAccessException - error writing to blackboard.

RepositoryException - error reading repository.

readBlackboardRecord

public void readBlackboardRecord(URI uri,
                                 Blackboard blackboard,
                                 java.lang.String id)
                          throws BlackboardAccessException,
                                 RepositoryException

read statements of given URI in repository into an existing record on blackboard. The URI will be set as attribute SesameRecordHelper.ATTRIBUTE_URI

Parameters:

uri - resource URI

blackboard - target blackboard

id - target record ID

Throws:

BlackboardAccessException - error writing to blackboard.

RepositoryException - error reading repository.

readRecord

public Record readRecord(URI uri)
                  throws RepositoryException

read statements of given URI in repository into a new record. Its ID will have SesameRecordHelper.SESAME_SOURCE as source and the URI as key.

Parameters:

uri - resource URI

Returns:

record ID

Throws:

RepositoryException - error reading repository.

readRecord

public void readRecord(URI uri,
                       Record record)
                throws RepositoryException

read statements of given URI in repository into an existing record. The URI will be set as attribute SesameRecordHelper.ATTRIBUTE_URI

Parameters:

uri - resource URI

record - target record

Throws:

RepositoryException - error reading repository.