1 files changed, 66 insertions, 0 deletions
diff --git a/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/ChildWriter.java b/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/ChildWriter.java
new file mode 100644
index 000000000..f933cfd4a
--- /dev/null
+++ b/v3po/translate-api/src/main/java/io/fd/honeycomb/v3po/translate/write/ChildWriter.java
@@ -0,0 +1,66 @@
+/*
+ * 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.write;
+
+import com.google.common.annotations.Beta;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Child writer allowing its parent to pass the builder object
+ *
+ * @param <D> Specific DataObject derived type, that is handled by this writer
+ */
+@Beta
+public interface ChildWriter<D extends DataObject> extends Writer<D> {
+
+    /**
+     * Extract data object managed by this writer from parent data and perform write.
+     *
+     * @param parentId Id of parent node
+     * @param parentDataAfter Parent data from modification to extract data object from
+     * @param ctx Write context for current modification
+     */
+    void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                    @Nonnull final DataObject parentDataAfter,
+                    @Nonnull final WriteContext ctx);
+
+    /**
+     * Extract data object managed by this writer(if necessary) from parent data and perform delete.
+     *
+     * @param parentId Id of parent node
+     * @param parentDataBefore Parent data before modification to extract data object from
+     * @param ctx Write context for current modification
+     */
+    void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                     @Nonnull final DataObject parentDataBefore,
+                     @Nonnull final WriteContext ctx);
+
+    /**
+     * Extract data object managed by this writer(if necessary) from parent data and perform delete.
+     *
+     * @param parentId Id of parent node
+     * @param parentDataBefore Parent data before modification to extract data object from
+     * @param parentDataAfter Parent data from modification to extract data object from
+     * @param ctx Write context for current modification
+     */
+    void updateChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                     @Nonnull final DataObject parentDataBefore,
+                     @Nonnull final DataObject parentDataAfter,
+                     @Nonnull final WriteContext ctx);
+}