1 files changed, 43 insertions, 0 deletions
diff --git a/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/DefaultVppWriter.java b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/DefaultVppWriter.java
new file mode 100644
index 000000000..10fede190
--- /dev/null
+++ b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/DefaultVppWriter.java
@@ -0,0 +1,43 @@
+/*
+ * 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;
+
+import java.util.Objects;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DefaultVppWriter implements VppWriter {
+    private static final Logger LOG = LoggerFactory.getLogger(DefaultVppWriter.class);
+
+    @Override
+    public void process(@Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter)
+            throws VppApiInvocationException {
+        LOG.debug("Processing modification: dataBefore={}, dataAfter={}", dataBefore, dataAfter);
+
+        if (Objects.equals(dataBefore, dataAfter)) {
+            LOG.debug("No modification");
+        } else if (dataBefore == null) {
+            LOG.debug("modification type: CREATE");
+        } else if (dataAfter == null) {
+            LOG.debug("modification type: DELETE");
+        } else {
+            LOG.debug("modification type: UPDATE");
+        }
+    }
+}