HONEYCOMB-94 Reimplement writer registry with better ordering options

Now the registry is flat and allows for full control of writer execution order

Change-Id: I864e1d676588ffe59b596145e0829e81b1a1ed2f
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

2 files changed, 147 insertions, 0 deletions

diff --git a/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericListWriterTest.java b/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericListWriterTest.java
new file mode 100644
index 000000000..54a7466e1
--- /dev/null
+++ b/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericListWriterTest.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.v3po.translate.impl.write;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import io.fd.honeycomb.v3po.translate.spi.write.ListWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import java.util.Collections;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.Identifiable;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class GenericListWriterTest {
+
+    private static final InstanceIdentifier<IdentifiableDataObject>
+            DATA_OBJECT_INSTANCE_IDENTIFIER = InstanceIdentifier.create(IdentifiableDataObject.class);
+    @Mock
+    private ListWriterCustomizer<IdentifiableDataObject, DataObjectIdentifier> customizer;
+    @Mock
+    private WriteContext ctx;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void testUpdate() throws Exception {
+        final GenericListWriter<IdentifiableDataObject, DataObjectIdentifier> writer =
+                new GenericListWriter<>(DATA_OBJECT_INSTANCE_IDENTIFIER, customizer);
+
+        final IdentifiableDataObject before = mock(IdentifiableDataObject.class);
+        final DataObjectIdentifier beforeKey = mock(DataObjectIdentifier.class);
+        when(before.getKey()).thenReturn(beforeKey);
+        final IdentifiableDataObject after = mock(IdentifiableDataObject.class);
+        final DataObjectIdentifier keyAfter = mock(DataObjectIdentifier.class);
+        when(after.getKey()).thenReturn(keyAfter);
+
+        assertEquals(DATA_OBJECT_INSTANCE_IDENTIFIER, writer.getManagedDataObjectType());
+
+        final InstanceIdentifier<IdentifiableDataObject> keyedIdBefore =
+                (InstanceIdentifier<IdentifiableDataObject>) InstanceIdentifier.create(Collections
+                        .singleton(new InstanceIdentifier.IdentifiableItem<>(IdentifiableDataObject.class, beforeKey)));
+        final InstanceIdentifier<IdentifiableDataObject> keyedIdAfter =
+                (InstanceIdentifier<IdentifiableDataObject>) InstanceIdentifier.create(Collections
+                        .singleton(new InstanceIdentifier.IdentifiableItem<>(IdentifiableDataObject.class, keyAfter)));
+
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, before, after, ctx);
+        verify(customizer).updateCurrentAttributes(keyedIdBefore, before, after, ctx);
+
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, before, null, ctx);
+        verify(customizer).deleteCurrentAttributes(keyedIdBefore, before, ctx);
+
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, null, after, ctx);
+        verify(customizer).writeCurrentAttributes(keyedIdAfter, after, ctx);
+    }
+
+    private abstract static class IdentifiableDataObject implements DataObject, Identifiable<DataObjectIdentifier> {}
+    private abstract static class DataObjectIdentifier implements Identifier<IdentifiableDataObject> {}
+}
\ No newline at end of file
diff --git a/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericWriterTest.java b/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericWriterTest.java
new file mode 100644
index 000000000..919072bcb
--- /dev/null
+++ b/v3po/translate-impl/src/test/java/io/fd/honeycomb/v3po/translate/impl/write/GenericWriterTest.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.v3po.translate.impl.write;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import io.fd.honeycomb.v3po.translate.spi.write.RootWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class GenericWriterTest {
+
+    private static final InstanceIdentifier<DataObject>
+            DATA_OBJECT_INSTANCE_IDENTIFIER = InstanceIdentifier.create(DataObject.class);
+    @Mock
+    private RootWriterCustomizer<DataObject> customizer;
+    @Mock
+    private WriteContext ctx;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void testUpdate() throws Exception {
+        final GenericWriter<DataObject> writer =
+                new GenericWriter<>(DATA_OBJECT_INSTANCE_IDENTIFIER, customizer);
+
+        final DataObject before = mock(DataObject.class);
+        final DataObject after = mock(DataObject.class);
+
+        assertEquals(DATA_OBJECT_INSTANCE_IDENTIFIER, writer.getManagedDataObjectType());
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, before, after, ctx);
+        verify(customizer).updateCurrentAttributes(DATA_OBJECT_INSTANCE_IDENTIFIER, before, after, ctx);
+
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, before, null, ctx);
+        verify(customizer).deleteCurrentAttributes(DATA_OBJECT_INSTANCE_IDENTIFIER, before, ctx);
+
+        writer.update(DATA_OBJECT_INSTANCE_IDENTIFIER, null, after, ctx);
+        verify(customizer).writeCurrentAttributes(DATA_OBJECT_INSTANCE_IDENTIFIER, after, ctx);
+    }
+}
\ No newline at end of file