Examples with TABLE_LOCK au.gov.asd.tac.constellation.views.tableview.TableViewTopComponent.TABLE_LOCK used on opensource projects

Example 1 with TABLE_LOCK

use of au.gov.asd.tac.constellation.views.tableview.TableViewTopComponent.TABLE_LOCK in project constellation by constellation-app.

the class Table method updateColumns.

/**
 * Update the columns in the table using the graph and state. This will
 * clear and refresh the column index and then trigger a refresh of the
 * table view, populating from the new column index.
 * <p/>
 * If the table's state has an element type of VERTEX then all the columns
 * will be prefixed with ".source".
 * <p/>
 * If the element type is TRANSACTION then the attributes belonging to
 * transactions will be prefixed with ".transaction". The vertex attributes
 * will also be added as columns in this case. When the state's element type
 * is TRANSACTION the vertex attributes will be prefixed with both ".source"
 * and ".destination" so that it is distinguishable on which end of the
 * transaction those values are present.
 * <p/>
 * Note that column references are reused where possible to ensure certain
 * toolbar/menu operations to work correctly.
 * <p/>
 * The entire method is synchronized so it should be thread safe and keeps
 * the locking logic simpler. Maybe this method could be broken out further.
 *
 * @param graph the graph to retrieve data from.
 * @param state the current table view state.
 */
public void updateColumns(final Graph graph, final TableViewState state) {
    synchronized (TABLE_LOCK) {
        if (graph != null && state != null) {
            if (Platform.isFxApplicationThread()) {
                throw new IllegalStateException(ATTEMPT_PROCESS_JAVAFX);
            }
            if (SwingUtilities.isEventDispatchThread()) {
                throw new IllegalStateException(ATTEMPT_PROCESS_EDT);
            }
            // Clear current columnIndex, but cache the column objects for reuse
            final Map<String, TableColumn<ObservableList<String>, String>> columnReferenceMap = getColumnIndex().stream().collect(Collectors.toMap(column -> column.getTableColumn().getText(), column -> column.getTableColumn(), (e1, e2) -> e1));
            getColumnIndex().clear();
            // Update columnIndex based on graph attributes
            final ReadableGraph readableGraph = graph.getReadableGraph();
            try {
                // Creates "source." columns from vertex attributes
                getColumnIndex().addAll(createColumnIndexPart(readableGraph, GraphElementType.VERTEX, GraphRecordStoreUtilities.SOURCE, columnReferenceMap));
                if (state.getElementType() == GraphElementType.TRANSACTION) {
                    // Creates "transaction." columns from transaction attributes
                    getColumnIndex().addAll(createColumnIndexPart(readableGraph, GraphElementType.TRANSACTION, GraphRecordStoreUtilities.TRANSACTION, columnReferenceMap));
                    // Creates "destination." columns from vertex attributes
                    getColumnIndex().addAll(createColumnIndexPart(readableGraph, GraphElementType.VERTEX, GraphRecordStoreUtilities.DESTINATION, columnReferenceMap));
                }
            } finally {
                readableGraph.release();
            }
            // If there are no visible columns specified, write the key columns to the state
            if (state.getColumnAttributes() == null) {
                openColumnVisibilityMenu();
                return;
            }
            // Sort columns in columnIndex by state, prefix and attribute name
            getColumnIndex().sort(new ColumnIndexSort(state));
            // Style and format columns in columnIndex
            getColumnIndex().forEach(columnTuple -> {
                final TableColumn<ObservableList<String>, String> column = columnTuple.getTableColumn();
                // assign cells to columns
                column.setCellValueFactory(cellData -> {
                    final int cellIndex = tableView.getColumns().indexOf(cellData.getTableColumn());
                    if (cellIndex < cellData.getValue().size()) {
                        return new SimpleStringProperty(cellData.getValue().get(cellIndex));
                    } else {
                        return null;
                    }
                });
                // Assign values and styles to cells
                column.setCellFactory(cellColumn -> new TableCellFactory(cellColumn, this));
            });
            // calculated column changes
            if (!Thread.currentThread().isInterrupted()) {
                // The update columns task holds state between executions. So we need to
                // reset some fields each time before it is run.
                updateColumnsTask.reset(columnReferenceMap, state);
                Platform.runLater(updateColumnsTask);
            }
        }
    }
}

Example 2 with TABLE_LOCK

use of au.gov.asd.tac.constellation.views.tableview.TableViewTopComponent.TABLE_LOCK in project constellation by constellation-app.

the class PreferencesMenu method loadPreferences.

/**
 * Loads a saved table preferences JSON file and updates the table format
 * (displayed column/column order and sort order) to match the values found.
 * <p/>
 * This method will place a lock on the table to prevent any updates to the
 * preferences whilst this load is happening.
 * <p/>
 * This method will start work on the JavaFX thread to update certain parts
 * of the table like column visibility. Once the method returns it is
 * recommended that the current thread waits for that work to complete
 * before initiating any other actions.
 */
protected void loadPreferences() {
    synchronized (TABLE_LOCK) {
        if (getTableViewTopComponent().getCurrentState() != null) {
            // Load the local table preferences JSON file
            final UserTablePreferences tablePrefs = TableViewPreferencesIoProvider.getPreferences(getTableViewTopComponent().getCurrentState().getElementType());
            // cannot occur with 0 columns
            if (tablePrefs == null || CollectionUtils.isEmpty(tablePrefs.getColumnOrder())) {
                return;
            }
            final List<TableColumn<ObservableList<String>, ?>> newColumnOrder = new ArrayList<>();
            // Loop through column names in the loaded preferences and add the
            // associated columns to newColumnOrder (if found). Also set the
            // found columns to visible.
            tablePrefs.getColumnOrder().forEach(columnName -> getTable().getTableView().getColumns().stream().filter(column -> column.getText().equals(columnName)).forEachOrdered(column -> {
                column.setVisible(true);
                newColumnOrder.add(column);
            }));
            // Populate orderedColumns with entries from column index that match
            // the names of the columns in the loaded preferences.
            final List<Tuple<String, Attribute>> orderedColumns = newColumnOrder.stream().map(tableColumn -> {
                for (final Column column : getTable().getColumnIndex()) {
                    if (tableColumn.getText().equals(column.getTableColumn().getText())) {
                        return column;
                    }
                }
                // column specified in the preferences
                return null;
            }).filter(Objects::nonNull).map(column -> Tuple.create(column.getAttributeNamePrefix(), column.getAttribute())).collect(Collectors.toList());
            // Update the sort preferences
            getActiveTableReference().saveSortDetails(tablePrefs.getSortColumn(), tablePrefs.getSortDirection());
            try {
                // Update the visibile columns and wait for the state plugin to complete its update
                getActiveTableReference().updateVisibleColumns(getTableViewTopComponent().getCurrentGraph(), getTableViewTopComponent().getCurrentState(), orderedColumns, UpdateMethod.REPLACE).get(1000, TimeUnit.MILLISECONDS);
            } catch (final InterruptedException ex) {
                LOGGER.log(Level.WARNING, "Update state plugin was interrupted");
                Thread.currentThread().interrupt();
            } catch (final TimeoutException | ExecutionException ex) {
                LOGGER.log(Level.WARNING, "Update state plugin failed to complete within the alloted time", ex);
            }
            // Update the page size menu selection and page size preferences
            for (final Toggle t : getPageSizeToggle().getToggles()) {
                final RadioMenuItem pageSizeOption = (RadioMenuItem) t;
                if (Integer.parseInt(pageSizeOption.getText()) == tablePrefs.getMaxRowsPerPage()) {
                    pageSizeOption.setSelected(true);
                    getActiveTableReference().getUserTablePreferences().setMaxRowsPerPage(tablePrefs.getMaxRowsPerPage());
                    break;
                }
            }
        }
    }
}