1 files changed, 72 insertions, 0 deletions
diff --git a/infra/translate-impl/src/main/java/io/fd/honeycomb/translate/impl/read/registry/InitSubtreeReader.java b/infra/translate-impl/src/main/java/io/fd/honeycomb/translate/impl/read/registry/InitSubtreeReader.java
new file mode 100644
index 000000000..809cdb214
--- /dev/null
+++ b/infra/translate-impl/src/main/java/io/fd/honeycomb/translate/impl/read/registry/InitSubtreeReader.java
@@ -0,0 +1,72 @@
+/*
+ * 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.translate.impl.read.registry;
+
+import io.fd.honeycomb.translate.read.InitFailedException;
+import io.fd.honeycomb.translate.read.InitListReader;
+import io.fd.honeycomb.translate.read.InitReader;
+import io.fd.honeycomb.translate.read.ListReader;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.Reader;
+import java.util.Set;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.yangtools.concepts.Builder;
+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;
+
+class InitSubtreeReader<O extends DataObject, B extends Builder<O>>
+        extends SubtreeReader<O, B>
+        implements InitReader<O, B> {
+
+    private InitSubtreeReader(final InitReader<O, B> delegate,
+                              final Set<InstanceIdentifier<?>> handledTypes) {
+        super(delegate, handledTypes);
+    }
+
+    @Override
+    public void init(final DataBroker broker, final InstanceIdentifier<O> id, final ReadContext ctx) throws InitFailedException {
+        ((InitReader<O, B>) delegate).init(broker, id, ctx);
+    }
+
+    /**
+     * Wrap a Reader as an initializing subtree Reader.
+     */
+    static <D extends DataObject, B extends Builder<D>> Reader<D, B> createForReader(@Nonnull final Set<InstanceIdentifier<?>> handledChildren,
+                                                                                     @Nonnull final Reader<D, B> reader) {
+        return (reader instanceof ListReader)
+                ? new InitSubtreeListReader<>((InitListReader) reader, handledChildren)
+                : new InitSubtreeReader<>(((InitReader<D, B>) reader), handledChildren);
+    }
+
+    private static class InitSubtreeListReader<D extends DataObject & Identifiable<K>, B extends Builder<D>, K extends Identifier<D>>
+            extends SubtreeListReader<D, B, K>
+            implements InitListReader<D, K, B> {
+
+        InitSubtreeListReader(final InitListReader<D, K, B> delegate,
+                              final Set<InstanceIdentifier<?>> handledTypes) {
+            super(delegate, handledTypes);
+        }
+
+        @Override
+        public void init(final DataBroker broker, final InstanceIdentifier<D> id, final ReadContext ctx) throws InitFailedException {
+            ((InitListReader<D, K, B>) delegate).init(broker, id, ctx);
+        }
+    }
+}