Started working on the database manager

src/main/DatabaseManager.java

@@ -0,0 +1,60 @@
+package src.main;
+
+import java.beans.PropertyVetoException;
+import java.sql.*;
+import java.util.HashMap;
+import java.util.Properties;
+
+import com.mchange.v2.c3p0.ComboPooledDataSource;
+
+import src.main.utilities.Configs;
+
+public class DatabaseManager {
+
+    private static final HashMap<String, Object> config = new ConfigManager().readConfig(Configs.database.getFileName());
+    private ComboPooledDataSource dataSource;
+
+    public DatabaseManager() {
+        
+        dataSource = new ComboPooledDataSource();
+        try {
+            dataSource .setDriverClass("org.postgresql.Driver"); //loads the jdbc driver
+        } catch (PropertyVetoException error) {
+            System.err.println(error);
+            error.printStackTrace();
+        } 
+        dataSource.setJdbcUrl( "jdbc:postgresql://"+ config.get("address").toString() + "/" + config.get("defautlTable").toString());
+        dataSource.setUser(config.get("username").toString());
+        dataSource.setPassword(config.get("password").toString());
+
+        // the settings below are optional -- c3p0 can work with defaults
+        dataSource.setMinPoolSize(5);
+        dataSource.setAcquireIncrement(5);
+        dataSource.setMaxPoolSize(20);
+
+        // The DataSource connection  is now a fully configured and usable pooled DataSource
+
+    }
+
+    public void sendQuery() {
+
+        // Use try-with-resources to automatically close resources (Connection, Statement, ResultSet)
+        try (Connection conn = dataSource.getConnection();
+            PreparedStatement prepedStatement = conn.prepareStatement("SELECT * FROM users WHERE id = ?")) {
+            
+            // Set parameters for the prepared statement
+            prepedStatement.setInt(1, 1);
+            
+            // Execute the query and process the results
+            try (ResultSet rs = prepedStatement.executeQuery()) {
+                while (rs.next()) {
+                    System.out.println("User Name: " + rs.getString("name"));
+                }
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+}

src/main/SnmpPoller.java

@@ -1,9 +1,11 @@
 package src.main;
 
+import org.snmp4j.Snmp;
+
 public class SnmpPoller {
     
-    public void getOid() {
-        
+    public SnmpPoller() {
+
     }
 
 }

src/main/main.java

@@ -16,7 +16,7 @@ public class main {
         int cpuCount = Runtime.getRuntime().availableProcessors();
         int threads = cpuCount * 2;
         
-        ConfigManager configs = new ConfigManager();
+        ConfigManager configs = new ConfigManager(true);
         
         
     }