+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.md.sal.binding.impl;
+
+import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
+import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.yangtools.yang.binding.Notification;
+import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+
+/**
+ * Lazy serialized implementation of DOM Notification.
+ *
+ * This implementation performs serialization of data, only if receiver
+ * of notification actually accessed data from notification.
+ *
+ */
+class LazySerializedDOMNotification implements DOMNotification {
+
+ private final BindingNormalizedNodeSerializer codec;
+ private final Notification data;
+ private final SchemaPath type;
+
+ private ContainerNode domBody;
+
+ private LazySerializedDOMNotification(final BindingNormalizedNodeSerializer codec, final Notification data, final SchemaPath type) {
+ super();
+ this.codec = codec;
+ this.data = data;
+ this.type = type;
+ }
+
+ static DOMNotification create(final BindingNormalizedNodeSerializer codec, final Notification data) {
+ final SchemaPath type = SchemaPath.create(true, BindingReflections.findQName(data.getImplementedInterface()));
+ return new LazySerializedDOMNotification(codec, data, type);
+ }
+
+ @Override
+ public SchemaPath getType() {
+ return type;
+ }
+
+ @Override
+ public ContainerNode getBody() {
+ if (domBody == null) {
+ domBody = codec.toNormalizedNodeNotification(data);
+ }
+ return domBody;
+ }
+
+ protected Notification getBindingData() {
+ return data;
+ }
+}