elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/ha/handlers/ConfigNodeUpdatedHandler.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.netvirt.elan.l2gw.ha.handlers;
   9
  10 import java.util.concurrent.ExecutionException;
  11 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  14 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
  15 import org.opendaylight.netvirt.elan.l2gw.ha.merge.GlobalAugmentationMerger;
  16 import org.opendaylight.netvirt.elan.l2gw.ha.merge.GlobalNodeMerger;
  17 import org.opendaylight.netvirt.elan.l2gw.ha.merge.PSAugmentationMerger;
  18 import org.opendaylight.netvirt.elan.l2gw.ha.merge.PSNodeMerger;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23
  24 public class ConfigNodeUpdatedHandler {
  25     GlobalAugmentationMerger globalAugmentationMerger = GlobalAugmentationMerger.getInstance();
  26     PSAugmentationMerger psAugmentationMerger = PSAugmentationMerger.getInstance();
  27     GlobalNodeMerger globalNodeMerger = GlobalNodeMerger.getInstance();
  28     PSNodeMerger psNodeMerger = PSNodeMerger.getInstance();
  29
  30     /**
  31      * Copy updated data from HA node to child node of config data tree.
  32      *
  33      * @param haUpdated HA node updated
  34      * @param haOriginal HA node original
  35      * @param haChildNodeId HA child node which needs to be updated
  36      * @param tx Transaction
  37      * @throws ReadFailedException  Exception thrown if read fails
  38      * @throws ExecutionException  Exception thrown if Execution fail
  39      * @throws InterruptedException Thread interrupted Exception
  40      */
  41     public void copyHAGlobalUpdateToChild(Node haUpdated,
  42                                           Node haOriginal,
  43                                           InstanceIdentifier<Node> haChildNodeId,
  44                                           ReadWriteTransaction tx)
  45             throws InterruptedException, ExecutionException, ReadFailedException {
  46
  47         Node existingNode = HwvtepHAUtil.readNode(tx, LogicalDatastoreType.CONFIGURATION, haChildNodeId);
  48         HwvtepGlobalAugmentation updatedGlobal = HwvtepHAUtil.getGlobalAugmentationOfNode(haUpdated);
  49         HwvtepGlobalAugmentation origGlobal = HwvtepHAUtil.getGlobalAugmentationOfNode(haOriginal);
  50         HwvtepGlobalAugmentation existingData = HwvtepHAUtil.getGlobalAugmentationOfNode(existingNode);
  51
  52         globalAugmentationMerger.mergeConfigUpdate(existingData, updatedGlobal, origGlobal, haChildNodeId, tx);
  53         globalNodeMerger.mergeConfigUpdate(existingNode, haUpdated, haOriginal, haChildNodeId, tx);
  54     }
  55
  56     /**
  57      * Copy HA ps node update to HA child ps node of config data tree.
  58      *
  59      * @param haUpdated HA node updated
  60      * @param haOriginal HA node original
  61      * @param haChildNodeId HA child node which needs to be updated
  62      * @param tx Transaction
  63      * @throws ReadFailedException  Exception thrown if read fails
  64      * @throws ExecutionException  Exception thrown if Execution fail
  65      * @throws InterruptedException Thread interrupted Exception
  66      */
  67     public void copyHAPSUpdateToChild(Node haUpdated,
  68                                       Node haOriginal,
  69                                       InstanceIdentifier<Node> haChildNodeId,
  70                                       ReadWriteTransaction tx)
  71             throws InterruptedException, ExecutionException, ReadFailedException {
  72
  73         Node existingNode = HwvtepHAUtil.readNode(tx, LogicalDatastoreType.CONFIGURATION, haChildNodeId);
  74
  75         PhysicalSwitchAugmentation updated = HwvtepHAUtil.getPhysicalSwitchAugmentationOfNode(haUpdated);
  76         PhysicalSwitchAugmentation orig = HwvtepHAUtil.getPhysicalSwitchAugmentationOfNode(haOriginal);
  77         PhysicalSwitchAugmentation existingData = HwvtepHAUtil.getPhysicalSwitchAugmentationOfNode(existingNode);
  78
  79         psAugmentationMerger.mergeConfigUpdate(existingData, updated, orig, haChildNodeId, tx);
  80         psNodeMerger.mergeConfigUpdate(existingNode, haUpdated, haOriginal, haChildNodeId, tx);
  81     }
  82
  83 }