opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/LazySerializedDOMNotification.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.md.sal.binding.impl;
   9
  10 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
  11 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  12 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  13 import org.opendaylight.yangtools.yang.binding.Notification;
  14 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  15 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  16
  17 /**
  18  * Lazy serialized implementation of DOM Notification.
  19  *
  20  * <p>
  21  * This implementation performs serialization of data, only if receiver
  22  * of notification actually accessed data from notification.
  23  *
  24  */
  25 @Deprecated
  26 public final class LazySerializedDOMNotification implements DOMNotification {
  27
  28     private final BindingNormalizedNodeSerializer codec;
  29     private final Notification data;
  30     private final SchemaPath type;
  31
  32     private ContainerNode domBody;
  33
  34     private LazySerializedDOMNotification(final BindingNormalizedNodeSerializer codec, final Notification data,
  35             final SchemaPath type) {
  36         this.codec = codec;
  37         this.data = data;
  38         this.type = type;
  39     }
  40
  41     static DOMNotification create(final BindingNormalizedNodeSerializer codec, final Notification data) {
  42         final SchemaPath type = SchemaPath.create(true, BindingReflections.findQName(data.implementedInterface()));
  43         return new LazySerializedDOMNotification(codec, data, type);
  44     }
  45
  46     @Override
  47     public SchemaPath getType() {
  48         return type;
  49     }
  50
  51     @Override
  52     public ContainerNode getBody() {
  53         if (domBody == null) {
  54             domBody = codec.toNormalizedNodeNotification(data);
  55         }
  56         return domBody;
  57     }
  58
  59     public Notification getBindingData() {
  60         return data;
  61     }
  62 }