netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/netconf/NetconfStateSchemasResolverImpl.java

   1 /*
   2  * Copyright (c) 2016 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.netconf.sal.connect.netconf;
   9
  10 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemas;
  11 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemasResolver;
  12 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  13 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceRpc;
  14 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
  16 import org.opendaylight.yangtools.yang.common.QName;
  17 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  18
  19 /**
  20  * Default implementation resolving schemas QNames from netconf-state or from modules-state.
  21  */
  22 public final class NetconfStateSchemasResolverImpl implements NetconfDeviceSchemasResolver {
  23     private static final QName YANG_LIBRARY_CAPABILITY = QName.create(ModulesState.QNAME, "ietf-yang-library").intern();
  24
  25     @Override
  26     public NetconfDeviceSchemas resolve(final NetconfDeviceRpc deviceRpc,
  27             final NetconfSessionPreferences remoteSessionCapabilities,
  28             final RemoteDeviceId id, final SchemaContext schemaContext) {
  29         if (remoteSessionCapabilities.isMonitoringSupported()) {
  30             return NetconfStateSchemas.create(deviceRpc, remoteSessionCapabilities, id, schemaContext);
  31         }
  32
  33         // FIXME: I think we should prefer YANG library here
  34         return remoteSessionCapabilities.containsModuleCapability(YANG_LIBRARY_CAPABILITY)
  35             ? LibraryModulesSchemas.create(deviceRpc, id) : NetconfStateSchemas.EMPTY;
  36     }
  37 }