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

Example 1 with WorkflowSetImpl

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

the class WorkflowServiceSolrIndex method getWorkflowInstances.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.impl.WorkflowServiceIndex#getWorkflowInstances(org.opencastproject.workflow.api.WorkflowQuery,
 *      String, boolean)
 */
@Override
public WorkflowSet getWorkflowInstances(WorkflowQuery query, String action, boolean applyPermissions) throws WorkflowDatabaseException {
    // default to 20 items if not specified
    int count = query.getCount() > 0 ? (int) query.getCount() : 20;
    int startIndex = query.getStartPage() > 0 ? (int) query.getStartPage() * count : (int) query.getStartIndex();
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setRows(count);
    solrQuery.setStart(startIndex);
    String solrQueryString = createQuery(query, action, applyPermissions);
    solrQuery.setQuery(solrQueryString);
    if (query.getSort() != null) {
        ORDER order = query.isSortAscending() ? ORDER.asc : ORDER.desc;
        solrQuery.addSortField(getSortField(query.getSort()) + "_sort", order);
    }
    if (!Sort.DATE_CREATED.equals(query.getSort())) {
        solrQuery.addSortField(getSortField(Sort.DATE_CREATED) + "_sort", ORDER.desc);
    }
    long totalHits;
    long time = System.currentTimeMillis();
    WorkflowSetImpl set = null;
    try {
        QueryResponse response = solrServer.query(solrQuery);
        SolrDocumentList items = response.getResults();
        long searchTime = System.currentTimeMillis() - time;
        totalHits = items.getNumFound();
        set = new WorkflowSetImpl();
        set.setPageSize(count);
        set.setTotalCount(totalHits);
        set.setStartPage(query.getStartPage());
        set.setSearchTime(searchTime);
        // Iterate through the results
        for (SolrDocument doc : items) {
            String xml = (String) doc.get(XML_KEY);
            try {
                set.addItem(WorkflowParser.parseWorkflowInstance(xml));
            } catch (Exception e) {
                throw new IllegalStateException("can not parse workflow xml", e);
            }
        }
    } catch (Exception e) {
        throw new WorkflowDatabaseException(e);
    }
    long totalTime = System.currentTimeMillis() - time;
    logger.debug("Workflow query took {} ms", totalTime);
    return set;
}