reaction comparator checks also line

model/src/main/java/lcsb/mapviewer/model/map/reaction/ReactionComparator.java

 package lcsb.mapviewer.model.map.reaction;
 
-import org.apache.logging.log4j.*;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import lcsb.mapviewer.common.Comparator;
 import lcsb.mapviewer.common.Configuration;
@@ -10,6 +11,7 @@ import lcsb.mapviewer.common.comparator.IntegerComparator;
 import lcsb.mapviewer.common.comparator.SetComparator;
 import lcsb.mapviewer.common.comparator.StringComparator;
 import lcsb.mapviewer.common.comparator.StringListComparator;
+import lcsb.mapviewer.model.graphics.PolylineDataComparator;
 import lcsb.mapviewer.model.map.MiriamData;
 import lcsb.mapviewer.model.map.MiriamDataComparator;
 import lcsb.mapviewer.model.map.kinetics.SbmlKineticsComparator;
@@ -170,6 +172,14 @@ public class ReactionComparator extends Comparator<Reaction> {
       logger.debug(arg1.getKinetics());
       return kineticsComparator.compare(arg0.getKinetics(), arg1.getKinetics());
     }
+
+    PolylineDataComparator lineComparator = new PolylineDataComparator(epsilon);
+    if (lineComparator.compare(arg0.getLine(), arg1.getLine()) != 0) {
+      logger.debug("Center line different");
+      logger.debug(arg0.getLine());
+      logger.debug(arg1.getLine());
+      return lineComparator.compare(arg0.getLine(), arg1.getLine());
+    }
     return 0;
   }
 

model/src/test/java/lcsb/mapviewer/model/map/reaction/ReactionComparatorTest.java

@@ -309,4 +309,22 @@ public class ReactionComparatorTest {
     assertEquals(0, comparator.compare(reaction1, reaction2));
     assertEquals(0, comparator.compare(reaction2, reaction1));
   }
+  
+  @Test
+  public void testDifferentCenterLine() {
+    Reaction reaction1 = createReaction();
+    Reaction reaction2 = createReaction();
+
+    reaction1.setLine(new PolylineData(new Point2D.Double(1, 2), new Point2D.Double(1, 5)));
+    assertTrue("Center line is different", comparator.compare(reaction1, reaction2) != 0);
+    assertTrue(comparator.compare(reaction2, reaction1) != 0);
+
+    reaction2.setLine(new PolylineData());
+    assertTrue("Center line is different", comparator.compare(reaction1, reaction2) != 0);
+    assertTrue(comparator.compare(reaction2, reaction1) != 0);
+
+    reaction2.setLine(new PolylineData(new Point2D.Double(1, 2), new Point2D.Double(1, 5)));
+    assertEquals(0, comparator.compare(reaction1, reaction2));
+    assertEquals(0, comparator.compare(reaction2, reaction1));
+  }
 }