213: example

Task-Url: http://github.com/LorenzoBettini/edelta/issues/213

edelta.parent/edelta.example/edelta-gen/edelta/ExampleAcrossEPackages2.java

@@ -0,0 +1,34 @@
+package edelta;
+
+import edelta.lib.AbstractEdelta;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+@SuppressWarnings("all")
+public class ExampleAcrossEPackages2 extends AbstractEdelta {
+  public ExampleAcrossEPackages2() {
+
+  }
+
+  public ExampleAcrossEPackages2(final AbstractEdelta other) {
+    super(other);
+  }
+
+  public void aTest1(final EPackage it) {
+    EReference _eOpposite = getEReference("testecoreforreferences1", "Person", "works").getEOpposite();
+    _eOpposite.setName("renamedPersons");
+    EReference _eOpposite_1 = getEReference("testecoreforreferences2", "WorkPlace", "renamedPersons").getEOpposite();
+    _eOpposite_1.setName("renamedWorks");
+  }
+
+  @Override
+  public void performSanityChecks() throws Exception {
+    ensureEPackageIsLoaded("testecoreforreferences1");
+    ensureEPackageIsLoaded("testecoreforreferences2");
+  }
+
+  @Override
+  protected void doExecute() throws Exception {
+    aTest1(getEPackage("testecoreforreferences1"));
+  }
+}

edelta.parent/edelta.example/src/ExampleAcrossEPackages2.edelta

@@ -0,0 +1,10 @@
+metamodel "testecoreforreferences1"
+metamodel "testecoreforreferences2"
+
+modifyEcore aTest1 epackage testecoreforreferences1 {
+	// renames WorkPlace.persons to renamedPersons
+	ecoreref(works).EOpposite.name = "renamedPersons"
+	// renames Person.works to renamedWorks
+	// using the already renamed feature (was persons)
+	ecoreref(renamedPersons).EOpposite.name = "renamedWorks"
+}