put off invoking the JFX thread till deeper in the stack. remove unused list, use concurrent hashmaps

Core/src/org/sleuthkit/autopsy/timeline/ui/AbstractVisualizationPane.java

@@ -33,7 +33,6 @@ import javafx.concurrent.Task;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.chart.Axis;
-import javafx.scene.chart.BarChart;
 import javafx.scene.chart.Chart;
 import javafx.scene.chart.XYChart;
 import javafx.scene.control.Label;
@@ -81,7 +80,7 @@ public abstract class AbstractVisualizationPane<X, Y, N, C extends XYChart<X, Y>
     }
     protected final SimpleBooleanProperty hasEvents = new SimpleBooleanProperty(true);
 
-    protected final ObservableList<BarChart.Series<X, Y>> dataSets = FXCollections.<BarChart.Series<X, Y>>observableArrayList();
+    protected final ObservableList<XYChart.Series<X, Y>> dataSeries = FXCollections.<XYChart.Series<X, Y>> observableArrayList();
 
     protected C chart;
 

Core/src/org/sleuthkit/autopsy/timeline/ui/countsview/CountsViewPane.java

@@ -111,7 +111,7 @@ public class CountsViewPane extends AbstractVisualizationPane<String, Number, No
 
     @Override
     protected Boolean isTickBold(String value) {
-        return dataSets.stream().flatMap((series) -> series.getData().stream())
+        return dataSeries.stream().flatMap((series) -> series.getData().stream())
                 .anyMatch((data) -> data.getXValue().equals(value) && data.getYValue().intValue() > 0);
     }
 
@@ -144,7 +144,7 @@ public class CountsViewPane extends AbstractVisualizationPane<String, Number, No
                 Platform.runLater(() -> {
                     updateMessage(NbBundle.getMessage(this.getClass(), "CountsViewPane.loggedTask.resetUI"));
                     eventTypeMap.clear();
-                    dataSets.clear();
+                    dataSeries.clear();
                     dateAxis.getCategories().clear();
 
                     DateTime start = timeRange.getStart();
@@ -264,7 +264,7 @@ public class CountsViewPane extends AbstractVisualizationPane<String, Number, No
         super(controller, partPane, contextPane, spacer);
         chart = new EventCountsChart(controller, dateAxis, countAxis);
         setChartClickHandler();
-        chart.setData(dataSets);
+        chart.setData(dataSeries);
         setCenter(chart);
 
         Tooltip.install(chart, getDefaultTooltip());
@@ -337,8 +337,7 @@ public class CountsViewPane extends AbstractVisualizationPane<String, Number, No
             series = new XYChart.Series<>();
             series.setName(et.getDisplayName());
             eventTypeMap.put(et, series);
-
+            dataSeries.add(series);
-            dataSets.add(series);
         }
         return series;
 
@@ -395,7 +394,7 @@ public class CountsViewPane extends AbstractVisualizationPane<String, Number, No
                                                 controller.selectTimeAndType(interval, RootEventType.getInstance());
 
                                                 selectedNodes.clear();
-                                                for (XYChart.Series<String, Number> s : dataSets) {
+                                                for (XYChart.Series<String, Number> s : dataSeries) {
                                                     s.getData().forEach((XYChart.Data<String, Number> d) -> {
                                                         if (startDateString.contains(d.getXValue())) {
                                                             selectedNodes.add(d.getNode());

Core/src/org/sleuthkit/autopsy/timeline/ui/detailview/DetailViewPane.java

@@ -111,15 +111,13 @@ public class DetailViewPane extends AbstractVisualizationPane<DateTime, EventClu
 
     public DetailViewPane(TimeLineController controller, Pane partPane, Pane contextPane, Region bottomLeftSpacer) {
         super(controller, partPane, contextPane, bottomLeftSpacer);
-
         //initialize chart;
         chart = new EventDetailsChart(controller, dateAxis, verticalAxis, selectedNodes);
         setChartClickHandler(); //can we push this into chart
-        chart.setData(dataSets);
+        chart.setData(dataSeries);
         setCenter(chart);
 
         settingsNodes = new ArrayList<>(new DetailViewSettingsPane().getChildrenUnmodifiable());
-
         //bind layout fo axes and spacers
         dateAxis.setTickLabelGap(0);
         dateAxis.setAutoRanging(false);
@@ -260,7 +258,10 @@ public class DetailViewPane extends AbstractVisualizationPane<DateTime, EventClu
         return eventTypeToSeriesMap.computeIfAbsent(et, (EventType t) -> {
             XYChart.Series<DateTime, EventCluster> series = new XYChart.Series<>();
             series.setName(et.getDisplayName());
-            dataSets.add(series);
+            Platform.runLater(() -> {
+                dataSeries.add(series);
+            });
+
             return series;
         });
     }
@@ -299,7 +300,7 @@ public class DetailViewPane extends AbstractVisualizationPane<DateTime, EventClu
                     dateAxis.setUpperBound(new DateTime(upperBound, TimeLineController.getJodaTimeZone()));
                     vertScrollBar.setValue(0);
                     eventTypeToSeriesMap.clear();
-                    dataSets.clear();
+                    dataSeries.clear();
                 });
 
                 List<EventCluster> eventClusters = filteredEvents.getEventClusters();
@@ -315,9 +316,9 @@ public class DetailViewPane extends AbstractVisualizationPane<DateTime, EventClu
                     final XYChart.Data<DateTime, EventCluster> xyData = new BarChart.Data<>(new DateTime(cluster.getSpan().getStartMillis()), cluster);
 
                     if (isCancelled() == false) {
-                        Platform.runLater(() -> {
+//                        Platform.runLater(() -> {
                         getSeries(cluster.getEventType()).getData().add(xyData);
-                        });
+//                        });
                     }
                 }
 

Core/src/org/sleuthkit/autopsy/timeline/ui/detailview/EventDetailsChart.java

@@ -24,11 +24,11 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.MissingResourceException;
 import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
@@ -36,6 +36,7 @@ import java.util.stream.Stream;
 import javafx.animation.KeyFrame;
 import javafx.animation.KeyValue;
 import javafx.animation.Timeline;
+import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
 import javafx.beans.Observable;
 import javafx.beans.property.ReadOnlyDoubleProperty;
@@ -148,17 +149,9 @@ public final class EventDetailsChart extends XYChart<DateTime, EventCluster> imp
      */
     private final Group nodeGroup = new Group();
     private final ObservableList<EventBundle<?>> bundles = FXCollections.observableArrayList();
-    private final Map<ImmutablePair<EventType, String>, EventStripe> stripeDescMap = new HashMap<>();
+    private final Map<ImmutablePair<EventType, String>, EventStripe> stripeDescMap = new ConcurrentHashMap<>();
-    private final Map<EventStripe, EventStripeNode> stripeNodeMap = new HashMap<>();
+    private final Map<EventStripe, EventStripeNode> stripeNodeMap = new ConcurrentHashMap<>();
-    private final Map<EventCluster, Line> projectionMap = new HashMap<>();
+    private final Map<EventCluster, Line> projectionMap = new ConcurrentHashMap<>();
-
-    /**
-     * list of series of data added to this chart
-     *
-     * TODO: replace this with a map from name to series? -jm
-     */
-    private final ObservableList<Series<DateTime, EventCluster>> seriesList =
-            FXCollections.<Series<DateTime, EventCluster>>observableArrayList();
 
     /**
      * true == layout each event type in its own band, false == mix all the
@@ -334,21 +327,26 @@ public final class EventDetailsChart extends XYChart<DateTime, EventCluster> imp
     @Override
     protected synchronized void dataItemAdded(Series<DateTime, EventCluster> series, int i, Data<DateTime, EventCluster> data) {
         final EventCluster eventCluster = data.getYValue();
-        bundles.add(eventCluster);
+
         EventStripe eventStripe = stripeDescMap.merge(ImmutablePair.of(eventCluster.getEventType(), eventCluster.getDescription()),
                 new EventStripe(eventCluster, null),
                 (EventStripe u, EventStripe v) -> {
-                    EventStripeNode remove = stripeNodeMap.remove(u);
+                    EventStripeNode removeU = stripeNodeMap.remove(u);
-                    nodeGroup.getChildren().remove(remove);
+                    EventStripeNode removeV = stripeNodeMap.remove(v);
-                    remove = stripeNodeMap.remove(v);
+                    Platform.runLater(() -> {
-                    nodeGroup.getChildren().remove(remove);
+                        nodeGroup.getChildren().remove(removeU);
+                        nodeGroup.getChildren().remove(removeV);
+                    });
                     return EventStripe.merge(u, v);
                 }
         );
         EventStripeNode stripeNode = new EventStripeNode(EventDetailsChart.this, eventStripe, null);
         stripeNodeMap.put(eventStripe, stripeNode);
+        Platform.runLater(() -> {
+            bundles.add(eventCluster);
             nodeGroup.getChildren().add(stripeNode);
             data.setNode(stripeNode);
+        });
     }
 
     @Override
@@ -360,11 +358,18 @@ public final class EventDetailsChart extends XYChart<DateTime, EventCluster> imp
     @Override
     protected synchronized void dataItemRemoved(Data<DateTime, EventCluster> data, Series<DateTime, EventCluster> series) {
         EventCluster eventCluster = data.getYValue();
+        Platform.runLater(() -> {
             bundles.removeAll(eventCluster);
+        });
+
         EventStripe removedStripe = stripeDescMap.remove(ImmutablePair.of(eventCluster.getEventType(), eventCluster.getDescription()));
+        if (removedStripe != null) {
             EventStripeNode removedNode = stripeNodeMap.remove(removedStripe);
+            Platform.runLater(() -> {
                 nodeGroup.getChildren().remove(removedNode);
                 data.setNode(null);
+            });
+        }
     }
 
     @Override
@@ -396,7 +401,6 @@ public final class EventDetailsChart extends XYChart<DateTime, EventCluster> imp
         for (int j = 0; j < series.getData().size(); j++) {
             dataItemAdded(series, j, series.getData().get(j));
         }
-        seriesList.add(series);
     }
 
     @Override
@@ -404,7 +408,6 @@ public final class EventDetailsChart extends XYChart<DateTime, EventCluster> imp
         for (int j = 0; j < series.getData().size(); j++) {
             dataItemRemoved(series.getData().get(j), series);
         }
-        seriesList.remove(series);
     }
 
     ReadOnlyDoubleProperty maxVScrollProperty() {