added a method to set the pointer of the resultset before the first row

1 files changed, 17 insertions, 3 deletions

diff --git a/src/main/Analyzor.java b/src/main/Analyzor.java
index 8f11186..050d5c3 100644
--- a/src/main/Analyzor.java
+++ b/src/main/Analyzor.java
@@ -76,12 +76,24 @@ public class Analyzor {
         }

     }

 

+    //sets the pointer before the first element of the dataset

+    void goToFirstRow(){

+        try{

+            data.beforeFirst();

+        }

+        catch(SQLException ex){

+            System.err.print("something went wrong with the dataset: SQLException");

+            return;

+        }

+        catch(NullPointerException ex){

+            System.err.print("dataset is null, try querying first");

+            return;

+        }

+    }

     //analyzes the tweet on their positivity

     //this is just a base version

     void sentimentAnalysis() {

-        

-        

-        

+        //read the lexicons

         try{

             readLexicon();

         }

@@ -89,6 +101,8 @@ public class Analyzor {
             System.out.println("could not find the lexicons, please try again");

             return;

         }

+        //go to the start of te dataset

+        goToFirstRow();

         

         Double value;

         String text;