opendaylight/md-sal/sal-remoterpc-connector/implementation/src/main/java/org/opendaylight/controller/sal/connector/remoterpc/RoutingTableProvider.java

   1 package org.opendaylight.controller.sal.connector.remoterpc;
   2
   3 import org.opendaylight.controller.sal.connector.remoterpc.api.RoutingTable;
   4 import org.osgi.framework.BundleContext;
   5 import org.osgi.util.tracker.ServiceTracker;
   6
   7 import com.google.common.base.Optional;
   8
   9 public class RoutingTableProvider implements AutoCloseable {
  10
  11     @SuppressWarnings("rawtypes")
  12     final ServiceTracker<RoutingTable,RoutingTable> tracker;
  13
  14
  15     public RoutingTableProvider(BundleContext ctx) {
  16         @SuppressWarnings("rawtypes")
  17         ServiceTracker<RoutingTable, RoutingTable> rawTracker = new ServiceTracker<>(ctx, RoutingTable.class, null);
  18         tracker = rawTracker;
  19         tracker.open();
  20     }
  21
  22     public Optional<RoutingTable<String, String>> getRoutingTable() {
  23         @SuppressWarnings("unchecked")
  24         RoutingTable<String,String> tracked = tracker.getService();
  25         return Optional.fromNullable(tracked);
  26     }
  27
  28     @Override
  29     public void close() throws Exception {
  30         tracker.close();
  31     }
  32 }