Examples with WorkflowDatabaseException org.opencastproject.workflow.api.WorkflowDatabaseException used on opensource projects

Example 11 with WorkflowDatabaseException

use of org.opencastproject.workflow.api.WorkflowDatabaseException in project opencast by opencast.

the class WorkflowServiceSolrIndex method clear.

/**
 * Clears the index of all workflow instances.
 */
public void clear() throws WorkflowDatabaseException {
    try {
        synchronized (solrServer) {
            solrServer.deleteByQuery("*:*");
            solrServer.commit();
        }
    } catch (Exception e) {
        throw new WorkflowDatabaseException(e);
    }
}

Example 12 with WorkflowDatabaseException

use of org.opencastproject.workflow.api.WorkflowDatabaseException in project opencast by opencast.

the class WorkflowServiceRemoteImpl method countWorkflowInstances.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowService#countWorkflowInstances(org.opencastproject.workflow.api.WorkflowInstance.WorkflowState,
 *      java.lang.String)
 */
@Override
public long countWorkflowInstances(WorkflowState state, String operation) throws WorkflowDatabaseException {
    List<NameValuePair> queryStringParams = new ArrayList<NameValuePair>();
    if (state != null)
        queryStringParams.add(new BasicNameValuePair("state", state.toString()));
    if (operation != null)
        queryStringParams.add(new BasicNameValuePair("operation", operation));
    StringBuilder url = new StringBuilder("/count");
    if (queryStringParams.size() > 0) {
        url.append("?");
        url.append(URLEncodedUtils.format(queryStringParams, "UTF-8"));
    }
    HttpGet get = new HttpGet(url.toString());
    HttpResponse response = getResponse(get);
    try {
        if (response != null) {
            String body = null;
            try {
                body = EntityUtils.toString(response.getEntity());
                return Long.parseLong(body);
            } catch (NumberFormatException e) {
                throw new WorkflowDatabaseException("Unable to parse the response body as a long: " + body);
            }
        }
    } catch (ParseException e) {
        throw new WorkflowDatabaseException("Unable to parse the response body");
    } catch (IOException e) {
        throw new WorkflowDatabaseException("Unable to parse the response body");
    } finally {
        closeConnection(response);
    }
    throw new WorkflowDatabaseException("Unable to count workflow instances");
}

Example 13 with WorkflowDatabaseException

use of org.opencastproject.workflow.api.WorkflowDatabaseException in project opencast by opencast.

the class WorkflowServiceRemoteImpl method getWorkflowDefinitionById.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowService#getWorkflowDefinitionById(java.lang.String)
 */
@Override
public WorkflowDefinition getWorkflowDefinitionById(String id) throws WorkflowDatabaseException, NotFoundException {
    HttpGet get = new HttpGet("/definition/" + id + ".xml");
    HttpResponse response = getResponse(get, SC_NOT_FOUND, SC_OK);
    try {
        if (response != null) {
            if (SC_NOT_FOUND == response.getStatusLine().getStatusCode()) {
                throw new NotFoundException("Workflow definition " + id + " does not exist.");
            } else {
                return WorkflowParser.parseWorkflowDefinition(response.getEntity().getContent());
            }
        }
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        throw new WorkflowDatabaseException(e);
    } finally {
        closeConnection(response);
    }
    throw new WorkflowDatabaseException("Unable to connect to a remote workflow service");
}

Example 14 with WorkflowDatabaseException

use of org.opencastproject.workflow.api.WorkflowDatabaseException in project opencast by opencast.

the class WorkflowServiceRemoteImpl method getWorkflowById.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowService#getWorkflowById(long)
 */
@Override
public WorkflowInstance getWorkflowById(long id) throws WorkflowDatabaseException, NotFoundException {
    HttpGet get = new HttpGet("/instance/" + id + ".xml");
    HttpResponse response = getResponse(get, SC_NOT_FOUND, SC_OK);
    try {
        if (response != null) {
            if (SC_NOT_FOUND == response.getStatusLine().getStatusCode()) {
                throw new NotFoundException("Workflow instance " + id + " does not exist.");
            } else {
                return WorkflowParser.parseWorkflowInstance(response.getEntity().getContent());
            }
        }
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        throw new WorkflowDatabaseException(e);
    } finally {
        closeConnection(response);
    }
    throw new WorkflowDatabaseException("Unable to connect to a remote workflow service");
}

Example 15 with WorkflowDatabaseException

use of org.opencastproject.workflow.api.WorkflowDatabaseException in project opencast by opencast.

the class WorkflowServiceRemoteImpl method getStatistics.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowService#getStatistics()
 */
@Override
public WorkflowStatistics getStatistics() throws WorkflowDatabaseException {
    HttpGet get = new HttpGet("/statistics.xml");
    HttpResponse response = getResponse(get);
    try {
        if (response != null)
            return WorkflowParser.parseWorkflowStatistics(response.getEntity().getContent());
    } catch (Exception e) {
        throw new WorkflowDatabaseException("Unable to load workflow statistics", e);
    } finally {
        closeConnection(response);
    }
    throw new WorkflowDatabaseException("Unable to connect to a remote workflow service");
}