opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/mount/DOMMountPointServiceImpl.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.md.sal.dom.broker.impl.mount;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.VisibleForTesting;
  13 import com.google.common.base.Optional;
  14 import com.google.common.base.Preconditions;
  15 import com.google.common.collect.ClassToInstanceMap;
  16 import com.google.common.collect.ImmutableMap;
  17 import com.google.common.collect.MutableClassToInstanceMap;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMActionService;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  23 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  24 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
  25 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  26 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  27 import org.opendaylight.controller.md.sal.dom.broker.spi.mount.SimpleDOMMountPoint;
  28 import org.opendaylight.controller.sal.core.compat.DOMDataBrokerAdapter;
  29 import org.opendaylight.controller.sal.core.compat.DOMMountPointAdapter;
  30 import org.opendaylight.controller.sal.core.compat.DOMNotificationServiceAdapter;
  31 import org.opendaylight.controller.sal.core.compat.DOMRpcServiceAdapter;
  32 import org.opendaylight.mdsal.dom.api.DOMMountPointListener;
  33 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  34 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  35 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  37 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  38
  39 @Deprecated(forRemoval = true)
  40 public class DOMMountPointServiceImpl implements DOMMountPointService {
  41     @Deprecated
  42     private abstract static class CompatFactory<M extends org.opendaylight.mdsal.dom.api.DOMService,
  43             C extends DOMService> {
  44         private final Class<C> controllerClass;
  45         private final Class<M> mdsalClass;
  46
  47         CompatFactory(final Class<C> controllerClass, final Class<M> mdsalClass) {
  48             this.controllerClass = requireNonNull(controllerClass);
  49             this.mdsalClass = requireNonNull(mdsalClass);
  50         }
  51
  52         final void addService(final org.opendaylight.mdsal.dom.api.DOMMountPointService.DOMMountPointBuilder builder,
  53                 final ClassToInstanceMap<DOMService> services) {
  54             if (!services.containsKey(mdsalClass)) {
  55                 final C controllerService = services.getInstance(controllerClass);
  56                 if (controllerService != null) {
  57                     final M mdsalService = createService(controllerService);
  58                     if (mdsalService != null) {
  59                         builder.addService(mdsalClass, mdsalService);
  60                     }
  61                 }
  62             }
  63         }
  64
  65         abstract M createService(C delegate);
  66     }
  67
  68     private static final Map<Class<? extends DOMService>, CompatFactory<?, ?>> KNOWN_SERVICES = ImmutableMap.of(
  69         DOMActionService.class, new CompatFactory<org.opendaylight.mdsal.dom.api.DOMActionService, DOMActionService>(
  70                 DOMActionService.class, org.opendaylight.mdsal.dom.api.DOMActionService.class) {
  71             @Override
  72             org.opendaylight.mdsal.dom.api.DOMActionService createService(final DOMActionService delegate) {
  73                 return delegate;
  74             }
  75         },
  76         DOMDataBroker.class, new CompatFactory<org.opendaylight.mdsal.dom.api.DOMDataBroker, DOMDataBroker>(
  77                 DOMDataBroker.class, org.opendaylight.mdsal.dom.api.DOMDataBroker.class) {
  78             @Override
  79             org.opendaylight.mdsal.dom.api.DOMDataBroker createService(final DOMDataBroker delegate) {
  80                 return new DOMDataBrokerAdapter(delegate);
  81             }
  82         },
  83         DOMNotificationService.class, new CompatFactory<org.opendaylight.mdsal.dom.api.DOMNotificationService,
  84                 DOMNotificationService>(DOMNotificationService.class,
  85                         org.opendaylight.mdsal.dom.api.DOMNotificationService.class) {
  86             @Override
  87             org.opendaylight.mdsal.dom.api.DOMNotificationService createService(final DOMNotificationService delegate) {
  88                 return new DOMNotificationServiceAdapter(delegate);
  89             }
  90         },
  91         DOMRpcService.class, new CompatFactory<org.opendaylight.mdsal.dom.api.DOMRpcService, DOMRpcService>(
  92                 DOMRpcService.class, org.opendaylight.mdsal.dom.api.DOMRpcService.class) {
  93             @Override
  94             org.opendaylight.mdsal.dom.api.DOMRpcService createService(final DOMRpcService delegate) {
  95                 return new DOMRpcServiceAdapter(delegate);
  96             }
  97         });
  98
  99     private final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate;
 100
 101     @VisibleForTesting
 102     public DOMMountPointServiceImpl() {
 103         this(new org.opendaylight.mdsal.dom.broker.DOMMountPointServiceImpl());
 104     }
 105
 106     public DOMMountPointServiceImpl(final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate) {
 107         this.delegate = delegate;
 108     }
 109
 110     @Override
 111     public Optional<DOMMountPoint> getMountPoint(final YangInstanceIdentifier path) {
 112         return Optional.fromJavaUtil(delegate.getMountPoint(path).map(DOMMountPointAdapter::new));
 113     }
 114
 115     @Override
 116     public DOMMountPointBuilder createMountPoint(final YangInstanceIdentifier path) {
 117         return new DOMMountPointBuilderImpl(path);
 118     }
 119
 120     @Override
 121     public ListenerRegistration<DOMMountPointListener> registerProvisionListener(final DOMMountPointListener listener) {
 122         return delegate.registerProvisionListener(listener);
 123     }
 124
 125     @SuppressWarnings("unchecked")
 126     ObjectRegistration<DOMMountPoint> registerMountPoint(final SimpleDOMMountPoint mountPoint) {
 127         final org.opendaylight.mdsal.dom.api.DOMMountPointService.DOMMountPointBuilder delegateBuilder =
 128                 delegate.createMountPoint(mountPoint.getIdentifier());
 129
 130         if (mountPoint.getSchemaContext() != null) {
 131             delegateBuilder.addInitialSchemaContext(mountPoint.getSchemaContext());
 132         }
 133
 134         final ClassToInstanceMap<DOMService> myServices = mountPoint.getServices();
 135         for (Entry<Class<? extends DOMService>, DOMService> entry : myServices.entrySet()) {
 136             delegateBuilder.addService((Class<DOMService>)entry.getKey(), entry.getValue());
 137
 138             final CompatFactory<?, ?> compat = KNOWN_SERVICES.get(entry.getKey());
 139             if (compat != null) {
 140                 compat.addService(delegateBuilder, myServices);
 141             }
 142         }
 143
 144         final ObjectRegistration<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateReg = delegateBuilder.register();
 145         return new AbstractObjectRegistration<DOMMountPoint>(mountPoint) {
 146             @Override
 147             protected void removeRegistration() {
 148                 delegateReg.close();
 149             }
 150         };
 151     }
 152
 153     public class DOMMountPointBuilderImpl implements DOMMountPointBuilder {
 154         private final ClassToInstanceMap<DOMService> services = MutableClassToInstanceMap.create();
 155         private final YangInstanceIdentifier path;
 156         private SimpleDOMMountPoint mountPoint;
 157         private SchemaContext schemaContext;
 158
 159         public DOMMountPointBuilderImpl(final YangInstanceIdentifier path) {
 160             this.path = path;
 161         }
 162
 163         @Override
 164         public <T extends DOMService> DOMMountPointBuilder addService(final Class<T> type, final T impl) {
 165             services.putInstance(type, impl);
 166             return this;
 167         }
 168
 169         @Override
 170         public DOMMountPointBuilder addInitialSchemaContext(final SchemaContext ctx) {
 171             schemaContext = ctx;
 172             return this;
 173         }
 174
 175         @Override
 176         public ObjectRegistration<DOMMountPoint> register() {
 177             Preconditions.checkState(mountPoint == null, "Mount point is already built.");
 178             mountPoint = SimpleDOMMountPoint.create(path, services, schemaContext);
 179             return registerMountPoint(mountPoint);
 180         }
 181     }
 182 }