Value-range class for integer implemented

GUI/src/main/java/cz/fidentis/analyst/core/IntValueRange.java

+package cz.fidentis.analyst.core;
+
+/**
+ *
+ * @author Daniel Schramm
+ */
+public class IntValueRange {
+    
+    private final int minimum, maximum;
+
+    public IntValueRange(int minimum, int maximum) {
+        if (minimum > maximum) {
+            throw new IllegalArgumentException("Minimum value must be less or equal to maximum value");
+        }
+        
+        this.minimum = minimum;
+        this.maximum = maximum;
+    }
+
+    public int getMinimum() {
+        return minimum;
+    }
+
+    public int getMaximum() {
+        return maximum;
+    }
+}