1 files changed, 41 insertions, 0 deletions
diff --git a/v3po/vpp-facade-spi/src/main/java/io/fd/honeycomb/v3po/vpp/facade/spi/read/ChildVppReaderCustomizer.java b/v3po/vpp-facade-spi/src/main/java/io/fd/honeycomb/v3po/vpp/facade/spi/read/ChildVppReaderCustomizer.java
new file mode 100644
index 000000000..376474301
--- /dev/null
+++ b/v3po/vpp-facade-spi/src/main/java/io/fd/honeycomb/v3po/vpp/facade/spi/read/ChildVppReaderCustomizer.java
@@ -0,0 +1,41 @@
+/*
+ * 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.vpp.facade.spi.read;
+
+import com.google.common.annotations.Beta;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+
+/**
+ * CompositeChildVppReader SPI to customize its behavior
+ *
+ * @param <C> Specific DataObject derived type (Identifiable), that is handled by this customizer
+ * @param <B> Specific Builder for handled type (C)
+ */
+@Beta
+public interface ChildVppReaderCustomizer<C extends DataObject, B extends Builder<C>> extends
+    RootVppReaderCustomizer<C, B> {
+
+    // FIXME need to capture parent builder type, but that's inconvenient at best, is it ok to leave it Builder<?> and
+    // cast in specific customizers ? ... probably better than adding another type parameter
+
+    /**
+     * Merge read data into provided parent builder
+     */
+    void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final C readValue);
+}