southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/BridgeOperationalState.java

   1 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5 import java.util.Map.Entry;
   6 import java.util.concurrent.ExecutionException;
   7
   8 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
   9 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  10 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  11 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  12 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  15 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  16 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  17 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  18 import org.opendaylight.yangtools.yang.binding.DataObject;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import com.google.common.base.Optional;
  24 import com.google.common.util.concurrent.CheckedFuture;
  25
  26 public class BridgeOperationalState {
  27     private static final Logger LOG = LoggerFactory.getLogger(BridgeOperationalState.class);
  28     private DataBroker db;
  29     private AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes;
  30     private Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<InstanceIdentifier<Node>, Node>();
  31
  32     public BridgeOperationalState(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
  33             DataObject> changes) {
  34         this.db = db;
  35         this.changes = changes;
  36         ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
  37         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
  38                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
  39         if (nodeCreateOrUpdate != null) {
  40             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
  41                 CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture =
  42                         transaction.read(LogicalDatastoreType.OPERATIONAL, entry.getKey());
  43                 try {
  44                     Optional<Node> nodeOptional = nodeFuture.get();
  45                     if (nodeOptional.isPresent()) {
  46                         operationalNodes.put(entry.getKey(), nodeOptional.get());
  47                     }
  48                 } catch (InterruptedException e) {
  49                     LOG.warn("Error reading from datastore",e);
  50                 } catch (ExecutionException e) {
  51                     LOG.warn("Error reading from datastore",e);
  52                 }
  53             }
  54         }
  55         transaction.close();
  56     }
  57
  58     public Optional<Node> getBridgeNode(InstanceIdentifier<?> iid) {
  59         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
  60         if (operationalNodes.containsKey(nodeIid)) {
  61             return Optional.of(operationalNodes.get(nodeIid));
  62         }
  63         return Optional.absent();
  64     }
  65
  66     public Optional<OvsdbBridgeAugmentation> getOvsdbBridgeAugmentation(InstanceIdentifier<?> iid) {
  67         Optional<Node> nodeOptional = getBridgeNode(iid);
  68         if (nodeOptional.isPresent() && nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class) != null) {
  69             return Optional.of(nodeOptional.get().getAugmentation(OvsdbBridgeAugmentation.class));
  70         }
  71         return Optional.absent();
  72     }
  73
  74     public Optional<TerminationPoint> getBrideTermiationPoint(InstanceIdentifier<?> iid) {
  75         Optional<Node> nodeOptional = getBridgeNode(iid);
  76         if (nodeOptional.isPresent()) {
  77             TerminationPointKey key = iid.firstKeyOf(TerminationPoint.class, TerminationPointKey.class);
  78             if (key != null) {
  79                 for (TerminationPoint tp:nodeOptional.get().getTerminationPoint()) {
  80                     if (tp.getKey().equals(key)) {
  81                         return Optional.of(tp);
  82                     }
  83                 }
  84             }
  85         }
  86         return Optional.absent();
  87     }
  88
  89     public Optional<OvsdbTerminationPointAugmentation> getOvsdbTerminationPointAugmentation(InstanceIdentifier<?> iid) {
  90         Optional<TerminationPoint> tpOptional = getBrideTermiationPoint(iid);
  91         if (tpOptional.isPresent()
  92                 && tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class) != null) {
  93             return Optional.of(tpOptional.get().getAugmentation(OvsdbTerminationPointAugmentation.class));
  94         }
  95         return Optional.absent();
  96     }
  97
  98 }