opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/impl/SchemaContextProviders.java

   1 /*
   2  * Copyright (c) 2013 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.controller.sal.dom.broker.impl;
   9
  10 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  11 import org.opendaylight.yangtools.concepts.Delegator;
  12 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  13 import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
  14
  15 public class SchemaContextProviders {
  16
  17     private SchemaContextProviders() {
  18         throw new UnsupportedOperationException("Utility class.");
  19     }
  20
  21     public static final SchemaContextProvider fromSchemaService(final SchemaService schemaService) {
  22         if (schemaService instanceof SchemaContextProvider) {
  23             return (SchemaContextProvider) schemaService;
  24         }
  25         return new SchemaServiceAdapter(schemaService);
  26     }
  27
  28     private static final class SchemaServiceAdapter implements SchemaContextProvider, Delegator<SchemaService> {
  29
  30         private final SchemaService service;
  31
  32         public SchemaServiceAdapter(final SchemaService service) {
  33             this.service = service;
  34         }
  35
  36         @Override
  37         public SchemaContext getSchemaContext() {
  38             return service.getGlobalContext();
  39         }
  40
  41         @Override
  42         public SchemaService getDelegate() {
  43             return service;
  44         }
  45
  46         @Override
  47         public String toString() {
  48             return "SchemaServiceAdapter [service=" + service + "]";
  49         }
  50     }
  51 }