southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/BridgeOperationalState.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.ovsdb.southbound.ovsdb.transact;
   9
  10 import java.util.Collection;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import org.opendaylight.mdsal.binding.api.DataBroker;
  14 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  15 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  16 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class BridgeOperationalState {
  31     private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
  32     private final DataBroker db;
  33
  34     public BridgeOperationalState(DataBroker db, DataChangeEvent changes) {
  35         this.db = db;
  36     }
  37
  38     public BridgeOperationalState(DataBroker db, Collection<DataTreeModification<Node>> changes) {
  39         this.db = db;
  40     }
  41
  42     @SuppressWarnings("IllegalCatch")
  43     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  44         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  45         Optional<Node> bridgeNode = Optional.empty();
  46         try (ReadTransaction transaction = db.newReadOnlyTransaction()) {
  47             bridgeNode = SouthboundUtil.readNode(transaction, nodeIid);
  48         } catch (Exception exp) {
  49             LOG.error("Error in getting the brideNode for {}", iid, exp);
  50         }
  51         return bridgeNode;
  52     }
  53
  54     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  55         return getBridgeNode(iid)
  56             .flatMap(node -> Optional.ofNullable(node.augmentation(OvsdbBridgeAugmentation.class)));
  57     }
  58
  59     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  60         if (iid != null) {
  61             Optional<Node> nodeOptional = getBridgeNode(iid);
  62             if (nodeOptional.isPresent()) {
  63                 Node node = nodeOptional.orElseThrow();
  64                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class);
  65                 if (key != null) {
  66                     final TerminationPoint tp = node.nonnullTerminationPoint().get(key);
  67                     if (tp != null) {
  68                         return Optional.of(tp);
  69                     }
  70                 }
  71             } else {
  72                 LOG.debug("TerminationPoints or Operational BridgeNode missing for {}", iid);
  73             }
  74         }
  75         return Optional.empty();
  76     }
  77
  78     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  79         return getBridgeTerminationPoint(iid)
  80             .flatMap(tp -> Optional.ofNullable(tp.augmentation(OvsdbTerminationPointAugmentation.class)));
  81     }
  82
  83     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
  84         if (iid != null) {
  85             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
  86             if (ovsdbBridgeOptional.isPresent()) {
  87                 Map<ControllerEntryKey, ControllerEntry> entries =
  88                     ovsdbBridgeOptional.orElseThrow().getControllerEntry();
  89                 if (entries != null) {
  90                     ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class);
  91                     if (key != null) {
  92                         ControllerEntry entry = entries.get(key);
  93                         if (entry != null) {
  94                             return Optional.of(entry);
  95                         }
  96                     }
  97                 }
  98             }
  99         }
 100         return Optional.empty();
 101     }
 102
 103     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 104         if (iid != null) {
 105             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 106             if (ovsdbBridgeOptional.isPresent()) {
 107                 Map<ProtocolEntryKey, ProtocolEntry> entries = ovsdbBridgeOptional.orElseThrow().getProtocolEntry();
 108                 if (entries != null) {
 109                     ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class);
 110                     if (key != null) {
 111                         ProtocolEntry entry = entries.get(key);
 112                         if (entry != null) {
 113                             return Optional.of(entry);
 114                         }
 115                     }
 116                 }
 117             }
 118         }
 119         return Optional.empty();
 120     }
 121 }