adapts the utils to the new metamodel

refs 2726

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/ConstraintsUtils.java

@@ -43,7 +43,7 @@ import org.fortiss.tooling.kernel.service.IConstraintService.IFix;
  * @author aravantinos
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: 115825B5DDF0458D48AC3BEA8D4CBF97
+ * @ConQAT.Rating YELLOW Hash: 87FB5925C1CB74007DE36581134FBC6D
  */
 public class ConstraintsUtils {
 
@@ -59,22 +59,17 @@ public class ConstraintsUtils {
 	/**
 	 * Defines <code>constrained</code> as the <code>i</code>-th constrained model element of
 	 * <code>ci</code>. Leaves the other elements as they are if they exist, fill them with
-	 * <code>null</code> till <code>i</code> otherwise.
+	 * <code>constrained</code> till <code>i</code> otherwise (we cannot set to <code>null</code>).
 	 */
 	public static void
 			setConstrainedElement(ConstraintInstance ci, IConstrained constrained, int i) {
-		EList<ConstrainedWithChecksum> cwcs = ci.getConstrainedsWithChecksum();
-		if(cwcs.size() <= i) {
-			for(int j = cwcs.size(); j <= i; j++) {
-				cwcs.add(j, ConstraintsFactory.eINSTANCE.createConstrainedWithChecksum());
-			}
+		EList<IConstrained> constraineds = ci.getConstraineds();
+		for(int j = constraineds.size(); j <= i; j++) {
+			constraineds.add(j, constrained);
 		}
 		if(!constrained.getConstraintInstances().contains(ci)) {
 			constrained.getConstraintInstances().add(ci);
 		}
-		ConstrainedWithChecksum cwc = cwcs.get(i);
-		cwc.setConstrained(constrained);
-		cwc.setChecksum(null);
 	}
 
 	/** @return the first constraint instance of type <code>cstr</code> in <code>c</code>. */
@@ -144,7 +139,7 @@ public class ConstraintsUtils {
 		try {
 			// get(0) because the constraint instance shall contain at least one constrained element
 			// (responsibility of the caller!) and because we want the first element.
-			return ci.getConstrainedsWithChecksum().get(0).getConstrained();
+			return ci.getConstraineds().get(0);
 		} catch(IndexOutOfBoundsException e) {
 			return null;
 		}
@@ -160,7 +155,7 @@ public class ConstraintsUtils {
 		try {
 			// get(1) because the constraint instance shall contain at least one constrained element
 			// (responsibility of the caller!) and because we want the first element.
-			return ci.getConstrainedsWithChecksum().get(1).getConstrained();
+			return ci.getConstraineds().get(1);
 		} catch(IndexOutOfBoundsException e) {
 			return null;
 		}