1 files changed, 15 insertions, 0 deletions
diff --git a/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Student.java b/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Student.java
index 89c80bb..32ee802 100644
--- a/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Student.java
+++ b/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Student.java
@@ -26,6 +26,8 @@ public class Student
 
    private ObjectProperty<Projekt> projekt = new SimpleObjectProperty<>();
 
+   private int oldMatrikelnummer = 0;
+
    /**
     * Generates an extractor that fires when a property of a list value
     * changes.
@@ -48,6 +50,7 @@ public class Student
    public Student(int matrikelnummer)
    {
       this.matrikelnummer.set(matrikelnummer);
+      oldMatrikelnummer = matrikelnummer;
    }
 
    /**
@@ -220,4 +223,16 @@ public class Student
 
       return ((Student) obj).matrikelnummer.get() == matrikelnummer.get();
    }
+
+   /**
+    * Get the previous matrikel number of this Student.
+    *
+    */
+   public int getOldMatrikelnummer()
+   {
+      int tmp = oldMatrikelnummer;
+      oldMatrikelnummer = matrikelnummer.get();
+
+      return tmp;
+   }
 }
 \ No newline at end of file