HONEYCOMB-34: Config tree initialization using binding data broker

Change-Id: I070aca2cc35dd10ea5bde19c8cbf4cad1c50f468
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

2 files changed, 126 insertions, 0 deletions

diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java
new file mode 100644
index 000000000..cd53a4f8b
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java
@@ -0,0 +1,65 @@
+/*
+ * 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.util.write;
+
+import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * WriterRegistry wrapper providing AutoCloseable interface.
+ */
+public final class CloseableWriterRegistry implements WriterRegistry, AutoCloseable {
+    private final WriterRegistry writerRegistry;
+
+    public CloseableWriterRegistry( final WriterRegistry writerRegistry) {
+        this.writerRegistry = writerRegistry;
+    }
+
+    @Override
+    public void update(
+            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesBefore,
+            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesAfter,
+            @Nonnull final WriteContext ctx) throws TranslationException {
+        writerRegistry.update(nodesBefore, nodesAfter, ctx);
+    }
+
+    @Override
+    public void update(
+            @Nonnull final InstanceIdentifier<? extends DataObject> id,
+            @Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter,
+            @Nonnull final WriteContext ctx) throws WriteFailedException {
+        writerRegistry.update(id, dataBefore, dataAfter, ctx);
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        return writerRegistry.getManagedDataObjectType();
+    }
+
+    @Override
+    public void close() throws Exception {
+        // NOOP
+    }
+}
\ No newline at end of file
diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java
new file mode 100644
index 000000000..866854212
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java
@@ -0,0 +1,61 @@
+/*
+ * 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.util.write;
+
+import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Empty registry that does not perform any changes. Can be used in data layer, if we want to disable passing data to
+ * translation layer.
+ */
+public class NoopWriterRegistry implements WriterRegistry {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NoopWriterRegistry.class);
+
+    @Override
+    public void update(@Nonnull final Map<InstanceIdentifier<?>, DataObject> dataBefore,
+                       @Nonnull final Map<InstanceIdentifier<?>, DataObject> dataAfter, @Nonnull final WriteContext ctx)
+            throws TranslationException {
+        LOG.trace("NoopWriterRegistry.update dataBefore{}, dataAfter={], ctx={}", dataBefore, dataAfter, ctx);
+        // NOOP
+    }
+
+    @Override
+    public void update(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+                       @Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter,
+                       @Nonnull final WriteContext ctx) throws WriteFailedException {
+        LOG.trace("NoopWriterRegistry.update id={}, dataBefore{}, dataAfter={], ctx={}", id, dataBefore, dataAfter,
+                ctx);
+        // NOOP
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        throw new UnsupportedOperationException("Root registry has no type");
+    }
+}