Examples with PagingComponent annis.gui.paging.PagingComponent used on opensource projects

Example 1 with PagingComponent

use of annis.gui.paging.PagingComponent in project ANNIS by korpling.

the class ResultFetchJob method run.

@Override
public void run() {
    WebResource subgraphRes = Helper.getAnnisWebResource().path("query/search/subgraph");
    // holds the ids of the matches.
    MatchGroup result;
    try {
        if (Thread.interrupted()) {
            return;
        }
        // set the the progress bar, for given the user some information about the loading process
        ui.accessSynchronously(new Runnable() {

            @Override
            public void run() {
                resultPanel.showMatchSearchInProgress(query);
            }
        });
        // get the matches
        result = futureMatches.get();
        // get the subgraph for each match, when the result is not empty
        if (result.getMatches().isEmpty()) {
            // check if thread was interrupted
            if (Thread.interrupted()) {
                return;
            }
            // nothing found, so inform the user about this.
            ui.access(new Runnable() {

                @Override
                public void run() {
                    resultPanel.showNoResult();
                }
            });
        } else {
            if (Thread.interrupted()) {
                return;
            }
            // since annis found something, inform the user that subgraphs are created
            ui.access(new Runnable() {

                @Override
                public void run() {
                    resultPanel.showSubgraphSearchInProgress(query, 0.0f);
                }
            });
            // prepare fetching subgraphs
            final BlockingQueue<SaltProject> queue = new ArrayBlockingQueue<>(result.getMatches().size());
            int current = 0;
            final ArrayList<Match> matchList = new ArrayList<>(result.getMatches());
            for (Match m : matchList) {
                if (Thread.interrupted()) {
                    return;
                }
                List<Match> subList = new LinkedList<>();
                subList.add(m);
                final SaltProject p = executeQuery(subgraphRes, new MatchGroup(subList), query.getLeftContext(), query.getRightContext(), query.getSegmentation(), SubgraphFilter.all);
                queue.put(p);
                log.debug("added match {} to queue", current + 1);
                if (current == 0) {
                    ui.access(new Runnable() {

                        @Override
                        public void run() {
                            resultPanel.setQueryResultQueue(queue, query, matchList);
                        }
                    });
                }
                if (Thread.interrupted()) {
                    return;
                }
                current++;
            }
        }
    // end if no results
    } catch (InterruptedException ex) {
    // just return
    } catch (final ExecutionException root) {
        ui.accessSynchronously(new Runnable() {

            @Override
            public void run() {
                if (resultPanel != null && resultPanel.getPaging() != null) {
                    PagingComponent paging = resultPanel.getPaging();
                    Throwable cause = root.getCause();
                    if (cause instanceof UniformInterfaceException) {
                        UniformInterfaceException ex = (UniformInterfaceException) cause;
                        if (ex.getResponse().getStatus() == 400) {
                            List<AqlParseError> errors = ex.getResponse().getEntity(new GenericType<List<AqlParseError>>() {
                            });
                            String errMsg = Joiner.on(" | ").join(errors);
                            paging.setInfo("parsing error: " + errMsg);
                        } else if (ex.getResponse().getStatus() == 504) {
                            paging.setInfo("Timeout: query execution took too long");
                        } else if (ex.getResponse().getStatus() == 403) {
                            paging.setInfo("Not authorized to query this corpus.");
                        } else {
                            paging.setInfo("unknown error: " + ex);
                        }
                    } else {
                        log.error("Unexcepted ExecutionException cause", root);
                    }
                    resultPanel.showFinishedSubgraphSearch();
                }
            }
        });
    }
// end catch
}