Database Implemented

2021-11-30 22:55:28 +01:00
parent 2164e372b3
commit 6757f1f136
9 changed files with 1349 additions and 2 deletions
@@ -0,0 +1,124 @@
+package data.database;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DataBase {
+
+    private Connection connection;
+    private Statement statement;
+
+    public void connect(){
+        try {
+            connection = DriverManager.getConnection("jdbc:h2:./lib/Conway-Game-Of-Live", "sa", "");
+            statement = connection.createStatement();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void disconnect(){
+
+        try {
+            statement.close();
+            connection.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    public void simpleSQL(String sqlStatement){
+        try {
+            statement.executeUpdate(sqlStatement);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public ResultSet resultSetSQL(String sqlStatement){
+        try {
+            return statement.executeQuery(sqlStatement);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return null;
+
+    }
+
+    public void createTables(){
+        connect();
+
+        simpleSQL("create table gameInfo(id int not null auto_increment, name varchar, width int, height int, generation int)");
+        simpleSQL("create table gameData(id int, x int, y int)");
+
+        disconnect();
+    }
+
+    public void deleteTables(){
+        connect();
+
+        simpleSQL("drop table gameInfo");
+        simpleSQL("drop table gameData");
+
+        disconnect();
+    }
+
+    public List<String> getAllGrids(){
+
+        List<String> allGrids = new ArrayList<>();
+
+        connect();
+
+        ResultSet resultSet = resultSetSQL("select name from gameInfo");
+
+        while (true){
+            try {
+                if (!resultSet.next()) break;
+            } catch (SQLException e) {
+                e.printStackTrace();
+            }
+            try {
+                allGrids.add(resultSet.getString(1));
+            } catch (SQLException e) {
+                e.printStackTrace();
+            }
+        }
+
+        disconnect();
+
+        return allGrids;
+
+    }
+
+    public void saveGrid(boolean[][] grid, String gridName, int generation){
+
+        connect();
+
+        simpleSQL("insert into GAMEINFO(name, width, height, GENERATION) values ('"+gridName+"', "+grid.length+", "+grid[0].length+", "+generation+")");
+        ResultSet resultSet = resultSetSQL("select * from gameInfo order by id desc limit 1");
+
+
+        try {
+            resultSet.next();
+            int id = resultSet.getInt("id");
+
+            for (int x = 0; x < grid.length; x++) {
+                for (int y = 0; y < grid[0].length; y++) {
+                    if (grid[x][y]){
+                        simpleSQL("insert into gameData (id, x, y) values ("+id+", "+x+", "+y+")");
+                    }
+                }
+            }
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        disconnect();
+
+    }
+
+}