public void receiveChainsawEventBatch()

in src/main/java/org/apache/log4j/chainsaw/LogPanel.java [3142:3225]
63 lines of code
19 McCabe index (conditional complexity)

    public void receiveChainsawEventBatch(List<ChainsawLoggingEvent> events){
        SwingHelper.invokeOnEDT(() -> {
            /*
             * if this panel is paused, we totally ignore events
             */
            if (isPaused()) {
                return;
            }
            final int selectedRow = table.getSelectedRow();
            final int startingRow = table.getRowCount();
            final LoggingEventWrapper selectedEvent;
            if (selectedRow >= 0) {
                selectedEvent = tableModel.getRow(selectedRow);
            } else {
                selectedEvent = null;
            }

            final int startingSearchRow = searchTable.getRowCount();

            boolean rowAdded = false;
            boolean searchRowAdded = false;

            int addedRowCount = 0;
            int searchAddedRowCount = 0;

            for (ChainsawLoggingEvent event1 : events) {
                //create two separate loggingEventWrappers (main table and search table), as they have different info on display state
                LoggingEventWrapper loggingEventWrapper1 = new LoggingEventWrapper(event1);
                //if the clearTableExpressionRule is not null, evaluate & clear the table if it matches
                if (clearTableExpressionRule != null && clearTableExpressionRule.evaluate(event1, null)) {
                    logger.info("clear table expression matched - clearing table - matching event msg - " + event1.m_message);
                    clearEvents();
                }

                updateOtherModels(event1);
                boolean isCurrentRowAdded = tableModel.isAddRow(loggingEventWrapper1);
                if (isCurrentRowAdded) {
                    addedRowCount++;
                }
                rowAdded = rowAdded || isCurrentRowAdded;

                //create a new loggingEventWrapper via copy constructor to ensure same IDs
                LoggingEventWrapper loggingEventWrapper2 = new LoggingEventWrapper(loggingEventWrapper1);
                boolean isSearchCurrentRowAdded = searchModel.isAddRow(loggingEventWrapper2);
                if (isSearchCurrentRowAdded) {
                    searchAddedRowCount++;
                }
                searchRowAdded = searchRowAdded || isSearchCurrentRowAdded;
            }
            //fire after adding all events
            if (rowAdded) {
                tableModel.fireTableEvent(startingRow, startingRow + addedRowCount, addedRowCount);
            }
            if (searchRowAdded) {
                searchModel.fireTableEvent(startingSearchRow, startingSearchRow + searchAddedRowCount, searchAddedRowCount);
            }

            //tell the model to notify the count listeners
            tableModel.notifyCountListeners();

            if (rowAdded) {
                if (tableModel.isSortEnabled()) {
                    tableModel.sort();
                }

                //always update detail pane (since we may be using a cyclic buffer which is full)
                detailPaneUpdater.setSelectedRow(table.getSelectedRow());
            }

            if (searchRowAdded) {
                if (searchModel.isSortEnabled()) {
                    searchModel.sort();
                }
            }

            if (!isScrollToBottom() && selectedEvent != null) {
                final int newIndex = tableModel.getRowIndex(selectedEvent);
                if (newIndex >= 0) {
                    // Don't scroll, just maintain selection...
                    table.setRowSelectionInterval(newIndex, newIndex);
                }
            }
        });
    }