/**
* This method removes the identified method.
*
* @param method The method to remove.
* @throws com.rift.coad.daemon.jython.JythonDaemonException
*/
public void updateMethod(DataMapperMethod method) throws JythonDaemonException {
try {
Session session = SemanticUtil.getInstance(JythonMappingManagerDaemonImpl.class).getSession();
List<DataMapperMethod> methods = listMethods(session);
method.setService(Constants.SERVICE_ID);
for (DataMapperMethod meth : methods) {
if (meth.equals(method)) {
session.persist(method);
methods.remove(meth);
methods.add(method);
DataMapperBrokerUtil util1 =
new DataMapperBrokerUtil(Constants.SERVICE_ID, Constants.DATA_MAPPER);
util1.register(methods.toArray(new DataMapperMethod[0]));
return;
}
}
log.debug("The entry was not found to update.");
throw new JythonDaemonException("The entry was not to update.");
} catch (JythonDaemonException ex) {
throw ex;
} catch (Exception ex) {
log.error("Failed to update the method : " + ex.getMessage(), ex);
throw new JythonDaemonException("Failed to add method : " + ex.getMessage(), ex);
}
}
/**
* This method adds a new method to the list of methods
*
* @param method This method adds the specified method.
* @throws com.rift.coad.daemon.jython.JythonDaemonException
*/
public void addMethod(DataMapperMethod newMethod) throws JythonDaemonException {
try {
Session session = SemanticUtil.getInstance(JythonMappingManagerDaemonImpl.class).getSession();
List<DataMapperMethod> methods = listMethods(session);
for (DataMapperMethod method : methods) {
if (method.equals(newMethod)) {
log.error("Duplicate method : " + newMethod.getName());
throw new JythonDaemonException("Duplicate method : " + newMethod.getName());
}
}
newMethod.setService(Constants.SERVICE_ID);
methods.add(newMethod);
session.persist(newMethod);
DataMapperBrokerUtil util1 =
new DataMapperBrokerUtil(Constants.SERVICE_ID, Constants.DATA_MAPPER);
util1.register(methods.toArray(new DataMapperMethod[0]));
} catch (JythonDaemonException ex) {
throw ex;
} catch (Exception ex) {
log.error("Failed to add method : " + ex.getMessage(), ex);
throw new JythonDaemonException("Failed to add method : " + ex.getMessage(), ex);
}
}
/**
* This method returns a list of the methods.
*
* @param session The session to retrieve the list of methods from.
* @return The list of methods.
* @throws com.rift.coad.daemon.jython.JythonDaemonException
*/
private List<DataMapperMethod> listMethods(Session session) throws JythonDaemonException {
try {
List<SPARQLResultRow> entries =
session
.createSPARQLQuery(
"SELECT ?s WHERE { "
+ "?s a <http://www.coadunation.net/schema/rdf/1.0/datamapper#DataMapperMethod> ."
+ "?s <http://www.coadunation.net/schema/rdf/1.0/datamapper#DataMapperMethodServiceId> ?ServiceId ."
+ "FILTER (?ServiceId = ${ServiceId})}")
.setString("ServiceId", Constants.SERVICE_ID)
.execute();
List<DataMapperMethod> methods = new ArrayList<DataMapperMethod>();
for (SPARQLResultRow row : entries) {
methods.add(row.get(0).cast(DataMapperMethod.class));
}
return methods;
} catch (Exception ex) {
log.error("Failed to retrieve a list of all the registered methods : " + ex.getMessage(), ex);
throw new JythonDaemonException(
"Failed to retrieve a list of all the registered methods : " + ex.getMessage(), ex);
}
}