final

src/test/Database_Init_Del.java

@@ -0,0 +1,130 @@
+package test;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+public class Database_Init_Del {
+
+	public Database_Init_Del() {
+	}
+
+    public static void connect(String dbname) {
+        Connection conn = null;
+        try {
+            String url = "jdbc:sqlite:"+dbname;
+            // create a connection to the database
+            conn = DriverManager.getConnection(url);
+
+            System.out.println("Connection to SQLite has been established.");
+
+            String query="PRAGMA foreign_keys = ON";
+            Statement lock=conn.createStatement();
+            lock.execute(query);
+            createILtable(lock);
+            createVLtable(lock);
+            createFVtable(lock);
+            createFNtable(lock);
+            createCLtable(lock);
+            createVtable(lock);
+        } catch (SQLException e) {
+            System.out.println(e.getMessage());
+        } finally {
+            try {
+                if (conn != null) {
+                    conn.close();
+                    System.out.println("Connection closed");
+                }
+            } catch (SQLException ex) {
+                System.out.println(ex.getMessage());
+            }
+        }
+    }
+
+    private static void createVtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `vectors`";  
+        lock.execute(query);
+        query="CREATE TABLE `vectors` (\r\n" + 
+    			" `v_id` INTEGER PRIMARY KEY, \r\n" +  
+    			" `image_name` TEXT \r\n" + 
+    			");";  
+        lock.execute(query);
+        System.out.println("VECTORS created");
+    }
+
+    private static void createILtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `image_list`";
+
+        lock.execute(query);
+        query="CREATE TABLE `image_list` (\r\n" + 
+    			" `img_id` INTEGER PRIMARY KEY, \r\n" + 
+    			" `image_name` TEXT, \r\n" + 
+    			" `instance_type` TEXT, \r\n" +
+    			" `cell_type` TEXT, \r\n" +
+    			" `v_id` INTEGER, \r\n" +
+    			" FOREIGN KEY(v_id) REFERENCES vectors(v_id)\r\n" + 
+    			");";
+
+        lock.execute(query);
+        System.out.println("IMAGE_LIST created");
+    }
+
+    private static void createVLtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `vector_list`";
+        lock.execute(query);
+        query="CREATE TABLE `vector_list` (\r\n" + 
+    			" `vl_id` INTEGER PRIMARY KEY, \r\n" + 
+    			" `v_id` INTEGER, \r\n" + 
+    			" `value` REAL, \r\n" +
+    			" FOREIGN KEY(v_id) REFERENCES vectors(v_id)\r\n" +
+    			")";
+        lock.execute(query);
+        System.out.println("VECTOR_LIST created");
+    }    
+
+    private static void createCLtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `class_list`";
+        lock.execute(query);
+        query="CREATE TABLE `class_list` (\r\n" + 
+    			" `cl_id` INTEGER PRIMARY KEY,\r\n" + 
+    			" `cl_name` TEXT \r\n" + 
+    			")";
+        lock.execute(query);
+        System.out.println("CLASS_LIST created");
+    }
+
+    private static void createFNtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `features_names`";
+        lock.execute(query);
+        query="CREATE TABLE `features_names` (\r\n" + 
+    			" `fn_id` INTEGER PRIMARY KEY, \r\n" + 
+    			" `f_name` TEXT \r\n" +
+    			")";
+        lock.execute(query);
+        System.out.println("FEATURES_NAMES created");
+    }
+
+    private static void createFVtable(Statement lock) throws SQLException {
+    	String query="DROP TABLE IF EXISTS `features_values`" ;
+        lock.execute(query);
+        query="CREATE TABLE `features_values` (\r\n" + 
+    			" `f_id` INTEGER PRIMARY KEY, \r\n" + 
+    			" `f_value` REAL, \r\n" + 
+    			" `fn_id` INTEGER, \r\n" + 
+    			" `cl_id` INTEGER, \r\n" + 
+    			"FOREIGN KEY(fn_id) REFERENCES features_names(fn_id), \r\n" +
+    			"FOREIGN KEY(cl_id) REFERENCES class_list(cl_id) \r\n" +
+    			")";
+
+        lock.execute(query);
+        System.out.println("FEATURES_VALUES created");
+    }
+
+	public static void main(String[] args) {
+		String path="C:\\Users\\billa\\Documents\\GitHub\\ACTIVESEGMENTATION\\classif.db";
+		connect(path);	 
+	}
+
+}
+