[467616] Support for returning tuples from OCL

https://bugs.eclipse.org/bugs/show_bug.cgi?id=467616

Signed-off-by: Leonid Ripeynih <akafakir@gmail.com>
Signed-off-by: Eike Stepper <stepper@esc-net.de>
Change-Id: I8f108755d2d82e8dcdb2c5833557ce6d93308d7d

1 files changed, 75 insertions, 0 deletions

diff --git a/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_467616_Test.java b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_467616_Test.java
new file mode 100644
index 0000000000..0091ff864e
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_467616_Test.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2004-2014 Eike Stepper (Berlin, Germany) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ */
+package org.eclipse.emf.cdo.tests.bugzilla;
+
+import org.eclipse.emf.cdo.eresource.CDOResource;
+import org.eclipse.emf.cdo.session.CDOSession;
+import org.eclipse.emf.cdo.tests.AbstractCDOTest;
+import org.eclipse.emf.cdo.tests.config.impl.ConfigTest.CleanRepositoriesBefore;
+import org.eclipse.emf.cdo.tests.model1.Company;
+import org.eclipse.emf.cdo.tests.model1.Model1Factory;
+import org.eclipse.emf.cdo.tests.model1.PurchaseOrder;
+import org.eclipse.emf.cdo.transaction.CDOTransaction;
+import org.eclipse.emf.cdo.util.CDOUtil;
+import org.eclipse.emf.cdo.util.CommitException;
+import org.eclipse.emf.cdo.util.ConcurrentAccessException;
+import org.eclipse.emf.cdo.view.CDOQuery;
+import org.eclipse.emf.cdo.view.CDOView;
+
+import java.util.List;
+
+/**
+ * @author Leonid Ripeynih
+ */
+@CleanRepositoriesBefore(reason = "Query result counting")
+public class Bugzilla_467616_Test extends AbstractCDOTest
+{
+  private static final String PO_REPORT = "self.purchaseOrders -> collect(po | Tuple{ purchaseOrder = po, lineCount = po.orderDetails -> size() })";
+
+  public void testTupleOCLQuery() throws ConcurrentAccessException, CommitException
+  {
+    CDOSession session = openSession();
+    CDOTransaction transaction = session.openTransaction();
+    CDOResource resource = transaction.createResource(getResourcePath("/resource"));
+
+    Company company = Model1Factory.eINSTANCE.createCompany();
+    company.setName("Company");
+
+    company.getPurchaseOrders().add(createPo(1));
+    company.getPurchaseOrders().add(createPo(2));
+
+    resource.getContents().add(company);
+
+    transaction.commit();
+    transaction.close();
+
+    CDOView view = session.openView();
+    Company createdCompany = view.getObject(company);
+    CDOQuery query = view.createQuery("ocl", PO_REPORT, CDOUtil.getCDOObject(createdCompany).cdoID());
+
+    List<Object[]> result = query.getResult(Object[].class);
+
+    assertEquals(new Object[] { createdCompany.getPurchaseOrders().get(0), 1 }, result.get(0));
+    assertEquals(new Object[] { createdCompany.getPurchaseOrders().get(1), 2 }, result.get(1));
+
+    view.close();
+  }
+
+  private PurchaseOrder createPo(int detailCount)
+  {
+    PurchaseOrder po = Model1Factory.eINSTANCE.createPurchaseOrder();
+    for (int i = 0; i < detailCount; ++i)
+    {
+      po.getOrderDetails().add(Model1Factory.eINSTANCE.createOrderDetail());
+    }
+    return po;
+  }
+}