Made saving async and added one-lift saving to edit command.

src/main/lombok/nl/SBDeveloper/V10Lift/V10LiftPlugin.java

@@ -128,8 +128,6 @@ public class V10LiftPlugin extends JavaPlugin {
 
     @Override
     public void onDisable() {
-        dbManager.removeFromData(); //TODO Find a better way, override?
-
         dbManager.save();
         dbManager.closeConnection();
 

src/main/lombok/nl/SBDeveloper/V10Lift/commands/V10LiftCommand.java

@@ -954,7 +954,7 @@ public class V10LiftCommand implements CommandExecutor {
                 DataManager.removeRopeRemovesPlayer(p.getUniqueId());
                 DataManager.removeDoorEditPlayer(p.getUniqueId());
 
-                V10LiftPlugin.getDBManager().save();
+                V10LiftPlugin.getDBManager().saveLift(liftName, lift);
 
                 BlockState bs;
                 Sign sign;

src/main/lombok/nl/SBDeveloper/V10Lift/managers/DBManager.java

@@ -1,6 +1,7 @@
 package nl.SBDeveloper.V10Lift.managers;
 
 import com.google.gson.Gson;
+import nl.SBDeveloper.V10Lift.V10LiftPlugin;
 import nl.SBDeveloper.V10Lift.api.objects.Lift;
 import nl.SBDeveloper.V10Lift.sbutils.SQLiteDB;
 import org.bukkit.Bukkit;
@@ -12,6 +13,8 @@ import java.sql.SQLException;
 import java.util.Map;
 
 public class DBManager {
+    private static final Gson gson = new Gson();
+
     private static SQLiteDB data;
     private static Connection con;
 
@@ -46,7 +49,6 @@ public class DBManager {
             byte[] blob = liftSet.getBytes("liftData");
             String json = new String(blob);
 
-            Gson gson = new Gson();
             Lift lift = gson.fromJson(json, Lift.class);
             DataManager.addLift(liftSet.getString("liftName"), lift);
 
@@ -54,57 +56,41 @@ public class DBManager {
         }
     }
 
-    public void removeFromData() {
-        try {
-            String query0 = "SELECT * FROM lifts";
-            PreparedStatement statement0 = con.prepareStatement(query0);
-            ResultSet liftSet = statement0.executeQuery();
-            while (liftSet.next()) {
-                if (!DataManager.containsLift(liftSet.getString("liftName"))) {
-                    Bukkit.getLogger().info("[V10Lift] Removing lift " + liftSet.getString("liftName") + " to data...");
-
-                    String query = "DELETE FROM lifts WHERE liftName = ?";
-                    PreparedStatement statement = con.prepareStatement(query);
-                    statement.setString(1, liftSet.getString("liftName"));
-                    statement.executeUpdate();
-                }
-            }
-        } catch(SQLException e) {
-            e.printStackTrace();
-        }
-    }
-
     public void removeFromData(String name) {
-        try {
         if (!DataManager.containsLift(name)) {
             Bukkit.getLogger().info("[V10Lift] Removing lift " + name + " to data...");
 
+            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
+                try {
                     String query = "DELETE FROM lifts WHERE liftName = ?";
                     PreparedStatement statement = con.prepareStatement(query);
                     statement.setString(1, name);
                     statement.executeUpdate();
-            }
+                } catch (SQLException e) {
-        } catch(SQLException e) {
                     e.printStackTrace();
                 }
+            });
+        }
     }
 
     public void save() {
         for (Map.Entry<String, Lift> entry : DataManager.getLifts().entrySet()) {
-
-            Gson gson = new Gson();
             byte[] blob = gson.toJson(entry.getValue()).getBytes();
 
             Bukkit.getLogger().info("[V10Lift] Saving lift " + entry.getKey() + " to data...");
 
+            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
                 try {
                     String query = "INSERT INTO lifts (liftName, liftData) VALUES (?, ?)";
                     PreparedStatement statement = con.prepareStatement(query);
                     statement.setString(1, entry.getKey());
                     statement.setBytes(2, blob);
                     statement.executeUpdate();
-            } catch (SQLException ignored) {}
+                } catch (SQLException ignored) {
+                }
+            });
 
+            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
                 try {
                     String query2 = "UPDATE lifts SET liftData = ? WHERE liftName = ?";
                     PreparedStatement statement2 = con.prepareStatement(query2);
@@ -114,9 +100,39 @@ public class DBManager {
                 } catch (SQLException e) {
                     e.printStackTrace();
                 }
+            });
         }
     }
 
+    public void saveLift(String name, Lift lift) {
+        byte[] blob = gson.toJson(lift).getBytes();
+
+        Bukkit.getLogger().info("[V10Lift] Saving lift " + name + " to data...");
+
+        Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
+            try {
+                String query = "INSERT INTO lifts (liftName, liftData) VALUES (?, ?)";
+                PreparedStatement statement = con.prepareStatement(query);
+                statement.setString(1, name);
+                statement.setBytes(2, blob);
+                statement.executeUpdate();
+            } catch (SQLException ignored) {
+            }
+        });
+
+        Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
+            try {
+                String query2 = "UPDATE lifts SET liftData = ? WHERE liftName = ?";
+                PreparedStatement statement2 = con.prepareStatement(query2);
+                statement2.setBytes(1, blob);
+                statement2.setString(2, name);
+                statement2.executeUpdate();
+            } catch (SQLException e) {
+                e.printStackTrace();
+            }
+        });
+    }
+
     public void closeConnection() {
         data.closeSource();
     }