hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/TransactUtils.java

   1 /*
   2  * Copyright (c) 2015 China Telecom Beijing Research Institute 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.ovsdb.hwvtepsouthbound.transact;
   9
  10 import java.util.Collection;
  11 import java.util.HashMap;
  12 import java.util.Map;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  16 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepLogicalSwitchAugmentation;
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  19 import org.opendaylight.yangtools.yang.binding.Augmentation;
  20 import org.opendaylight.yangtools.yang.binding.DataObject;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 public class TransactUtils {
  26     private static final Logger LOG = LoggerFactory.getLogger(TransactUtils.class);
  27
  28     public static Node getCreated(DataObjectModification<Node> mod) {
  29         if((mod.getModificationType() == ModificationType.WRITE)
  30                         && (mod.getDataBefore() == null)){
  31             return mod.getDataAfter();
  32         }
  33         return null;
  34     }
  35
  36     public static Node getRemoved(DataObjectModification<Node> mod) {
  37         if(mod.getModificationType() == ModificationType.DELETE){
  38             return mod.getDataBefore();
  39         }
  40         return null;
  41     }
  42
  43     public static Node getUpdated(DataObjectModification<Node> mod) {
  44         Node node = null;
  45         switch(mod.getModificationType()) {
  46             case SUBTREE_MODIFIED:
  47                 node = mod.getDataAfter();
  48                 break;
  49             case WRITE:
  50                 if(mod.getDataBefore() !=  null) {
  51                     node = mod.getDataAfter();
  52                 }
  53                 break;
  54             default:
  55                 break;
  56         }
  57         return node;
  58     }
  59
  60     public static Node getOriginal(DataObjectModification<Node> mod) {
  61         Node node = null;
  62         switch(mod.getModificationType()) {
  63             case SUBTREE_MODIFIED:
  64                 node = mod.getDataBefore();
  65                 break;
  66             case WRITE:
  67                 if(mod.getDataBefore() !=  null) {
  68                     node = mod.getDataBefore();
  69                 }
  70                 break;
  71             case DELETE:
  72                 node = mod.getDataBefore();
  73                 break;
  74             default:
  75                 break;
  76         }
  77         return node;
  78     }
  79
  80     public static Map<InstanceIdentifier<Node>, Node> extractCreatedOrUpdatedOrRemoved(
  81             Collection<DataTreeModification<Node>> changes, Class<Node> class1) {
  82         // TODO Auto-generated method stub
  83         Map<InstanceIdentifier<Node>, Node> result = new HashMap<InstanceIdentifier<Node>, Node>();
  84         for(DataTreeModification<Node> change : changes) {
  85             final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  86             final DataObjectModification<Node> mod = change.getRootNode();
  87             Node created = getCreated(mod);
  88             result.put(key, created);
  89             Node updated = getUpdated(mod);
  90             result.put(key, updated);
  91             Node deleted = getRemoved(mod);
  92             result.put(key, deleted);
  93         }
  94         return null;
  95     }
  96
  97     /*
  98     public static <T extends Augmentation<Node>> Map<InstanceIdentifier<? extends DataObject>, T> extractCreated(
  99             Collection<DataTreeModification<Node>> changes, Class<T> class1) {
 100         // TODO Auto-generated method stub
 101         Map<InstanceIdentifier<?>, T> result =
 102             new HashMap<InstanceIdentifier<?>, T>();
 103         if(changes != null && !changes.isEmpty()) {
 104             for(DataTreeModification<Node> change : changes) {
 105                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 106                 final DataObjectModification<Node> mod = change.getRootNode();
 107                 Node created = getCreated(mod);
 108                 if(created != null) {
 109                     T logicalSwitch = created.getAugmentation(class1);
 110                     created.getKey().getNodeId().get
 111                     logicalSwitch.
 112                     InstanceIdentifier<?> iid = change.getRootPath().getRootIdentifier()..augmentation(class1);
 113                     if(logicalSwitch != null) {
 114                         result.put(iid, logicalSwitch);
 115                     }
 116                 }
 117             }
 118         }
 119         return result;
 120     }
 121     */
 122
 123 }