mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/util/InstanceIdentifierUtil.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc.  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.lispflowmapping.implementation.util;
   9
  10 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
  11 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  12 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.InstanceId;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.EidUri;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.VniUri;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKeyKey;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.MappingKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifierKey;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 import com.google.common.base.Preconditions;
  27
  28 /**
  29  * Utility class to create InstanceIdentifier path objects based on EID.
  30  * Used for storing RPC data to the config datastore.
  31  *
  32  * @author Lorand Jakab
  33  *
  34  */
  35 public class InstanceIdentifierUtil {
  36     public static InstanceIdentifier<AuthenticationKey> createAuthenticationKeyIid(Eid eid) {
  37         Preconditions.checkNotNull(eid, "Key needs and EID entry!");
  38
  39         VirtualNetworkIdentifierKey vniKey = new VirtualNetworkIdentifierKey(new VniUri(Long.toString(getLispInstanceId(eid))));
  40         AuthenticationKeyKey authKeyKey = new AuthenticationKeyKey(new EidUri(getURIAddressString(eid)));
  41         return InstanceIdentifier.create(MappingDatabase.class)
  42                 .child(VirtualNetworkIdentifier.class, vniKey).child(AuthenticationKey.class, authKeyKey);
  43     }
  44
  45     public static InstanceIdentifier<Mapping> createMappingIid(Eid eid, MappingOrigin orig) {
  46         Preconditions.checkNotNull(eid, "Mapping needs an EID entry!");
  47
  48         VirtualNetworkIdentifierKey vniKey = new VirtualNetworkIdentifierKey(new VniUri(Long.toString(getLispInstanceId(eid))));
  49         MappingKey eidKey = new MappingKey(new EidUri(getURIAddressString(eid)), orig);
  50         return InstanceIdentifier.create(MappingDatabase.class)
  51                 .child(VirtualNetworkIdentifier.class, vniKey).child(Mapping.class, eidKey);
  52     }
  53
  54     private static long getLispInstanceId(Eid eid) {
  55         Address address = eid.getAddress();
  56         if (address instanceof InstanceId) {
  57             return ((InstanceId) address).getInstanceId().getIid().getValue();
  58         }
  59         return 0L;
  60     }
  61
  62     private static String getURIAddressString(Eid eid) {
  63         return LispAddressStringifier.getURIString(eid);
  64     }
  65 }