1 files changed, 56 insertions, 0 deletions
diff --git a/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/r/util/ReflexiveChildReaderCustomizer.java b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/r/util/ReflexiveChildReaderCustomizer.java
new file mode 100644
index 000000000..ddef7a94c
--- /dev/null
+++ b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/r/util/ReflexiveChildReaderCustomizer.java
@@ -0,0 +1,56 @@
+/*
+ * 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.impl.trans.r.util;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import io.fd.honeycomb.v3po.impl.trans.r.impl.spi.ChildVppReaderCustomizer;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Collections;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+
+/**
+ * Might be slow !
+ */
+public class ReflexiveChildReaderCustomizer<C extends DataObject, B extends Builder<C>>
+    extends ReflexiveRootReaderCustomizer<C, B>
+    implements ChildVppReaderCustomizer<C,B> {
+
+    public ReflexiveChildReaderCustomizer(final Class<B> builderClass) {
+        super(builderClass);
+    }
+
+    // TODO Could be just a default implementation in interface (making this a mixin)
+
+    @Override
+    public void merge(final Builder<? extends DataObject> parentBuilder, final C readValue) {
+        final Optional<Method> method =
+            ReflectionUtils.findMethodReflex(parentBuilder.getClass(), "set",
+                Collections.<Class<?>>singletonList(readValue.getClass()), parentBuilder.getClass());
+
+        Preconditions.checkArgument(method.isPresent(), "Unable to set %s to %s", readValue, parentBuilder);
+
+        try {
+            method.get().invoke(parentBuilder, readValue);
+        } catch (IllegalAccessException | InvocationTargetException e) {
+            throw new IllegalArgumentException("Unable to set " + readValue + " to " + parentBuilder, e);
+        }
+    }
+
+}