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         try (ReadTransaction transaction = db.newReadOnlyTransaction()) {
  46             return SouthboundUtil.readNode(transaction, nodeIid);
  47         } catch (Exception exp) {
  48             LOG.error("Error in getting the brideNode for {}", iid, exp);
  49             return Optional.empty();
  50         }
  51     }
  52
  53     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  54         return getBridgeNode(iid)
  55             .flatMap(node -> Optional.ofNullable(node.augmentation(OvsdbBridgeAugmentation.class)));
  56     }
  57
  58     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  59         if (iid != null) {
  60             Optional<Node> nodeOptional = getBridgeNode(iid);
  61             if (nodeOptional.isPresent()) {
  62                 Node node = nodeOptional.orElseThrow();
  63                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class);
  64                 if (key != null) {
  65                     final TerminationPoint tp = node.nonnullTerminationPoint().get(key);
  66                     if (tp != null) {
  67                         return Optional.of(tp);
  68                     }
  69                 }
  70             } else {
  71                 LOG.debug("TerminationPoints or Operational BridgeNode missing for {}", iid);
  72             }
  73         }
  74         return Optional.empty();
  75     }
  76
  77     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  78         return getBridgeTerminationPoint(iid)
  79             .flatMap(tp -> Optional.ofNullable(tp.augmentation(OvsdbTerminationPointAugmentation.class)));
  80     }
  81
  82     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
  83         if (iid != null) {
  84             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
  85             if (ovsdbBridgeOptional.isPresent()) {
  86                 Map<ControllerEntryKey, ControllerEntry> entries =
  87                     ovsdbBridgeOptional.orElseThrow().getControllerEntry();
  88                 if (entries != null) {
  89                     ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class);
  90                     if (key != null) {
  91                         ControllerEntry entry = entries.get(key);
  92                         if (entry != null) {
  93                             return Optional.of(entry);
  94                         }
  95                     }
  96                 }
  97             }
  98         }
  99         return Optional.empty();
 100     }
 101
 102     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 103         if (iid != null) {
 104             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 105             if (ovsdbBridgeOptional.isPresent()) {
 106                 Map<ProtocolEntryKey, ProtocolEntry> entries = ovsdbBridgeOptional.orElseThrow().getProtocolEntry();
 107                 if (entries != null) {
 108                     ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class);
 109                     if (key != null) {
 110                         ProtocolEntry entry = entries.get(key);
 111                         if (entry != null) {
 112                             return Optional.of(entry);
 113                         }
 114                     }
 115                 }
 116             }
 117         }
 118         return Optional.empty();
 119     }
 120 }