Add JFR events

Core/src/main/java/com/plotsquared/core/command/HomeCommand.java

@@ -35,6 +35,9 @@ import com.plotsquared.core.util.query.PlotQuery;
 import com.plotsquared.core.util.query.SortingStrategy;
 import com.plotsquared.core.util.task.RunnableVal2;
 import com.plotsquared.core.util.task.RunnableVal3;
+import jdk.jfr.Category;
+import jdk.jfr.Event;
+import jdk.jfr.Label;
 import net.kyori.adventure.text.minimessage.Template;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
@@ -59,13 +62,24 @@ public class HomeCommand extends Command {
         this.plotAreaManager = plotAreaManager;
     }
 
+    @Label("Home Query")
+    @Category("PlotSquared")
+    static class HomeQueryEvent extends Event {
+        @Label("Result Size")
+        public int size;
+    }
+
     private void home(
             final @NonNull PlotPlayer<?> player,
             final @NonNull PlotQuery query, final int page,
             final RunnableVal3<Command, Runnable, Runnable> confirm,
             final RunnableVal2<Command, CommandResult> whenDone
     ) {
+        final HomeQueryEvent event = new HomeQueryEvent();
+        event.begin();
         List<Plot> plots = query.asList();
+        event.size = plots.size();
+        event.commit();
         if (plots.isEmpty()) {
             player.sendMessage(TranslatableCaption.of("invalid.found_no_plots"));
             return;

Core/src/main/java/com/plotsquared/core/plot/Plot.java

@@ -68,6 +68,9 @@ import com.plotsquared.core.util.task.TaskTime;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.world.biome.BiomeType;
+import jdk.jfr.Category;
+import jdk.jfr.Event;
+import jdk.jfr.Label;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.minimessage.MiniMessage;
@@ -2288,6 +2291,25 @@ public class Plot {
         return this.area.getPlotAbs(this.id.getRelative(direction));
     }
 
+    @Label("Connected Plots Search")
+    @Category("PlotSquared")
+    static class ConnectedPlotsEvent extends Event {
+
+        public ConnectedPlotsEvent(final int x, final int y) {
+            this.x = x;
+            this.y = y;
+        }
+
+        @Label("Plot Id X")
+        public int x;
+        @Label("Plot Id Y")
+        public int y;
+        @Label("Merged  Plots Count")
+        public int mergedSize;
+        @Label("Connected Plots Cache Miss")
+        public boolean cacheMiss;
+    }
+
     /**
      * Gets a set of plots connected (and including) this plot<br>
      * - This result is cached globally
@@ -2295,13 +2317,19 @@ public class Plot {
      * @return a Set of Plots connected to this Plot
      */
     public Set<Plot> getConnectedPlots() {
+        ConnectedPlotsEvent event = new ConnectedPlotsEvent(this.id.getX(), this.id.getY());
+        event.begin();
         if (this.settings == null) {
+            event.commit();
             return Collections.singleton(this);
         }
         if (!this.isMerged()) {
+            event.commit();
             return Collections.singleton(this);
         }
         if (connected_cache != null && connected_cache.contains(this)) {
+            event.mergedSize = connected_cache.size();
+            event.commit();
             return connected_cache;
         }
         regions_cache = null;
@@ -2410,6 +2438,9 @@ public class Plot {
             }
         }
         connected_cache = tmpSet;
+        event.mergedSize = tmpSet.size();
+        event.cacheMiss = true;
+        event.commit();
         return tmpSet;
     }