Generate implementedInterfaces method for DataRoot

In case we have multiple top level uses statements we also
need to generate an override of implementedInterfaces() to prevent
clashes with the return types of the extended interfaces.

JIRA: MDSAL-573
Change-Id: I07ad3f6dc5a18369f0be4bdaba03c6c17072297b
Signed-off-by: Tomas Cere <tomas.cere@pantheon.tech>
(cherry picked from commit 30794cd4999beb5a7a4902d4cf0484692cbd629b)

diff --git a/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/AbstractTypeGenerator.java b/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/AbstractTypeGenerator.java
index c04647d62ee459f382300bac36be88a63133e908..37d420554a46174d55b3a712189f42d150379b98 100644 (file)
--- a/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/AbstractTypeGenerator.java
+++ b/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/AbstractTypeGenerator.java
@@ -424,6 +424,11 @@ abstract class AbstractTypeGenerator {
         final Module module = context.module();
         addImplementedInterfaceFromUses(module, moduleDataTypeBuilder);
         moduleDataTypeBuilder.addImplementsType(DATA_ROOT);
+        // if we have more than 2 top level uses statements we need to define getImplementedInterface() on the
+        // top level DataRoot object
+        if (module.getUses().size() > 1) {
+            narrowImplementedInterface(moduleDataTypeBuilder);
+        }
 
         addCodegenInformation(moduleDataTypeBuilder, module);
         return moduleDataTypeBuilder;

diff --git a/binding/mdsal-binding-generator-impl/src/test/java/org/opendaylight/mdsal/binding/generator/impl/Mdsal573Test.java b/binding/mdsal-binding-generator-impl/src/test/java/org/opendaylight/mdsal/binding/generator/impl/Mdsal573Test.java
new file mode 100644 (file)
index 0000000..3909d4d
--- /dev/null
+++ b/binding/mdsal-binding-generator-impl/src/test/java/org/opendaylight/mdsal/binding/generator/impl/Mdsal573Test.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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
+ */
+package org.opendaylight.mdsal.binding.generator.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.List;
+import org.junit.Test;
+import org.opendaylight.mdsal.binding.model.api.GeneratedType;
+import org.opendaylight.mdsal.binding.model.api.MethodSignature;
+import org.opendaylight.mdsal.binding.model.api.Type;
+import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
+
+public class Mdsal573Test {
+    @Test
+    public void mdsal573Test() {
+        final List<Type> generateTypes = new BindingGeneratorImpl().generateTypes(YangParserTestUtils.parseYangResource(
+                "/mdsal573.yang"));
+        assertNotNull(generateTypes);
+
+        final MethodSignature methodSignature = ((GeneratedType) generateTypes.get(0)).getMethodDefinitions().get(0);
+        assertEquals("implementedInterface", methodSignature.getName());
+    }
+}

diff --git a/binding/mdsal-binding-generator-impl/src/test/resources/mdsal573.yang b/binding/mdsal-binding-generator-impl/src/test/resources/mdsal573.yang
new file mode 100644 (file)
index 0000000..fcc35f7
--- /dev/null
+++ b/binding/mdsal-binding-generator-impl/src/test/resources/mdsal573.yang
@@ -0,0 +1,34 @@
+module mdsal573 {
+  namespace "mdsal573";
+  prefix l;
+
+  grouping g1 {
+    container c1 {
+      leaf l1 {
+        type string;
+      }
+    }
+  }
+
+  grouping g2 {
+    uses g3;
+
+    container c2 {
+      leaf l2 {
+        type string;
+      }
+    }
+  }
+
+  grouping g3 {
+    container c3 {
+      leaf l3 {
+        type string;
+      }
+    }
+  }
+
+
+  uses g1;
+  uses g2;
+}
\ No newline at end of file