opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/osgi/ProxyFactory.java

   1 /*
   2  * Copyright (c) 2014 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.osgi;
   9
  10 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  11 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  12 import org.opendaylight.controller.sal.core.api.BrokerService;
  13 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  14 import org.osgi.framework.ServiceReference;
  15
  16 @SuppressWarnings("unchecked")
  17 public final class ProxyFactory {
  18
  19     private ProxyFactory() {
  20     }
  21
  22     public static <T extends BrokerService> T createProxy(final ServiceReference<T> serviceRef, final T service) {
  23
  24         Object createProxyImpl = ProxyFactory.createProxyImpl(serviceRef, service);
  25         return (T) createProxyImpl;
  26     }
  27
  28     private static Object createProxyImpl(final ServiceReference<?> ref, final DOMMountPointService service) {
  29
  30         return new DOMMountPointServiceProxy((ServiceReference<DOMMountPointService>) ref, service);
  31     }
  32
  33     private static Object createProxyImpl(final ServiceReference<?> ref, final SchemaService service) {
  34
  35         return new SchemaServiceProxy((ServiceReference<SchemaService>) ref, service);
  36     }
  37
  38     private static DOMDataBrokerProxy createProxyImpl(final ServiceReference<?> ref, final DOMDataBroker service) {
  39
  40         return new DOMDataBrokerProxy((ServiceReference<DOMDataBroker>) ref, service);
  41     }
  42
  43     private static Object createProxyImpl(final ServiceReference<?> ref, final BrokerService service) {
  44         if (service == null) {
  45             throw new IllegalArgumentException("service can't be null");
  46         }
  47
  48         if (service instanceof DOMDataBroker) {
  49             return createProxyImpl(ref, (DOMDataBroker) service);
  50         } else if (service instanceof SchemaService) {
  51             return createProxyImpl(ref, (SchemaService) service);
  52         } else if (service instanceof DOMMountPointService) {
  53             return createProxyImpl(ref, (DOMMountPointService) service);
  54         }
  55
  56         return createProxyImplFallback(ref, service);
  57     }
  58
  59     private static Object createProxyImplFallback(final ServiceReference<?> reference, final BrokerService service) {
  60
  61         return service;
  62     }
  63 }