implement singleton design pattern

[3501/roboRIO-code-base] / src / org / usfirst / frc / team3501 / robot / Robot.java

diff --git a/src/org/usfirst/frc/team3501/robot/Robot.java b/src/org/usfirst/frc/team3501/robot/Robot.java
index 36ca70bc268a526c02d33f5531c1d8d550fcbe90..3ccbadf02f84736b63344a3fc8340a793b2d5088 100644 (file)
--- a/src/org/usfirst/frc/team3501/robot/Robot.java
+++ b/src/org/usfirst/frc/team3501/robot/Robot.java
@@ -1,17 +1,23 @@
 package org.usfirst.frc.team3501.robot;
 
-import org.usfirst.frc.team3501.robot.Constants.DriveTrain;
+import org.usfirst.frc.team3501.robot.subsystems.DriveTrain;
 import edu.wpi.first.wpilibj.IterativeRobot;
 import edu.wpi.first.wpilibj.command.Scheduler;
 
 public class Robot extends IterativeRobot {
-  public static OI oi;
-  public static DriveTrain driveTrain;
 
   @Override
   public void robotInit() {
-    driveTrain = new DriveTrain();
-    oi = new OI();
+    DriveTrain.getDriveTrain();
+    OI.getOI();
+  }
+  
+  public static DriveTrain getDriveTrain(){
+         return DriveTrain.getDriveTrain();
+  }
+  
+  public static OI getOI(){
+         return OI.getOI();
   }
 
   @Override