itm/itm-impl/src/main/java/org/opendaylight/genius/itm/cache/TunnelStateCache.java

   1 /*
   2  * Copyright (c) 2017 Inocybe Technologies 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.genius.itm.cache;
   9
  10 import com.google.common.base.Optional;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  16 import org.opendaylight.genius.itm.globals.ITMConstants;
  17 import org.opendaylight.genius.mdsalutil.cache.InstanceIdDataObjectCache;
  18 import org.opendaylight.infrautils.caches.CacheProvider;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TepTypeInternal;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelsState;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelList;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelListKey;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.ops4j.pax.cdi.api.OsgiServiceProvider;
  25
  26 /**
  27  * Caches StateTunnelList objects.
  28  *
  29  * @author Thomas Pantelis
  30  */
  31 @Singleton
  32 @OsgiServiceProvider(classes = TunnelStateCache.class) // only because TepShowState needs a @Reference to this
  33 public class TunnelStateCache extends InstanceIdDataObjectCache<StateTunnelList> {
  34
  35     @Inject
  36     public TunnelStateCache(DataBroker dataBroker, CacheProvider cacheProvider) {
  37         super(StateTunnelList.class, dataBroker, LogicalDatastoreType.OPERATIONAL,
  38                 InstanceIdentifier.builder(TunnelsState.class).child(StateTunnelList.class).build(), cacheProvider);
  39     }
  40
  41     public boolean isInternalBasedOnState(String tunnelName) throws ReadFailedException {
  42         Optional<StateTunnelList> stateTunnelList = get(getStateTunnelListIdentifier(tunnelName));
  43         return stateTunnelList.isPresent() && TepTypeInternal.class
  44                 .equals(stateTunnelList.get().getDstInfo().getTepDeviceType());
  45     }
  46
  47     public long getNodeConnectorIdFromInterface(String interfaceName) throws ReadFailedException {
  48         Optional<StateTunnelList> stateTnl = get(getStateTunnelListIdentifier(interfaceName));
  49         if (stateTnl.isPresent()) {
  50             return Long.parseLong(stateTnl.get().getPortNumber());
  51         }
  52         return ITMConstants.INVALID_PORT_NO;
  53     }
  54
  55     public InstanceIdentifier<StateTunnelList> getStateTunnelListIdentifier(String key) {
  56         return InstanceIdentifier.builder(TunnelsState.class).child(StateTunnelList.class, new StateTunnelListKey(key))
  57                 .build();
  58     }
  59 }