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         Optional<Node> nodeOptional = getBridgeNode(iid);
  56         if (nodeOptional.isPresent()) {
  57             return Optional.ofNullable(nodeOptional.get().augmentation(OvsdbBridgeAugmentation.class));
  58         }
  59         return Optional.empty();
  60     }
  61
  62     public Optional<TerminationPoint> getBridgeTerminationPoint(InstanceIdentifier<?> iid) {
  63         if (iid != null) {
  64             Optional<Node> nodeOptional = getBridgeNode(iid);
  65             if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
  66                 TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class);
  67                 if (key != null) {
  68                     final TerminationPoint tp = nodeOptional.get().nonnullTerminationPoint().get(key);
  69                     if (tp != null) {
  70                         return Optional.of(tp);
  71                     }
  72                 }
  73             } else {
  74                 LOG.debug("TerminationPoints or Operational BridgeNode missing for {}", iid);
  75             }
  76         }
  77         return Optional.empty();
  78     }
  79
  80     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  81         Optional<TerminationPoint> tpOptional = getBridgeTerminationPoint(iid);
  82         if (tpOptional.isPresent()) {
  83             return Optional.ofNullable(tpOptional.get().augmentation(OvsdbTerminationPointAugmentation.class));
  84         }
  85         return Optional.empty();
  86     }
  87
  88     public Optional<ControllerEntry> getControllerEntry(InstanceIdentifier<?> iid) {
  89         if (iid != null) {
  90             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
  91             if (ovsdbBridgeOptional.isPresent()) {
  92                 Map<ControllerEntryKey, ControllerEntry> entries = ovsdbBridgeOptional.get().getControllerEntry();
  93                 if (entries != null) {
  94                     ControllerEntryKey key = iid.firstKeyOf(ControllerEntry.class);
  95                     if (key != null) {
  96                         ControllerEntry entry = entries.get(key);
  97                         if (entry != null) {
  98                             return Optional.of(entry);
  99                         }
 100                     }
 101                 }
 102             }
 103         }
 104         return Optional.empty();
 105     }
 106
 107     public Optional<ProtocolEntry> getProtocolEntry(InstanceIdentifier<ProtocolEntry> iid) {
 108         if (iid != null) {
 109             Optional<OvsdbBridgeAugmentation> ovsdbBridgeOptional = getOvsdbBridgeAugmentation(iid);
 110             if (ovsdbBridgeOptional.isPresent()) {
 111                 Map<ProtocolEntryKey, ProtocolEntry> entries = ovsdbBridgeOptional.get().getProtocolEntry();
 112                 if (entries != null) {
 113                     ProtocolEntryKey key = iid.firstKeyOf(ProtocolEntry.class);
 114                     if (key != null) {
 115                         ProtocolEntry entry = entries.get(key);
 116                         if (entry != null) {
 117                             return Optional.of(entry);
 118                         }
 119                     }
 120                 }
 121             }
 122         }
 123         return Optional.empty();
 124     }
 125 }