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
   9 package org.opendaylight.controller.md.sal.dom.broker.impl.mount;
  10
  11 import com.google.common.annotations.VisibleForTesting;
  12 import com.google.common.base.Optional;
  13 import com.google.common.base.Preconditions;
  14 import com.google.common.collect.ClassToInstanceMap;
  15 import com.google.common.collect.MutableClassToInstanceMap;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  19 import org.opendaylight.controller.md.sal.dom.broker.spi.mount.SimpleDOMMountPoint;
  20 import org.opendaylight.mdsal.dom.api.DOMMountPointListener;
  21 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  22 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25
  26 public class DOMMountPointServiceImpl implements DOMMountPointService {
  27
  28     private final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate;
  29
  30     @VisibleForTesting
  31     public DOMMountPointServiceImpl() {
  32         this(new org.opendaylight.mdsal.dom.broker.DOMMountPointServiceImpl());
  33     }
  34
  35     public DOMMountPointServiceImpl(final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate) {
  36         this.delegate = delegate;
  37     }
  38
  39     @Override
  40     public Optional<DOMMountPoint> getMountPoint(final YangInstanceIdentifier path) {
  41         final Optional<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateMountPoint = delegate.getMountPoint(path);
  42         return delegateMountPoint.isPresent() ? Optional.of(convert(delegateMountPoint.get())) : Optional.absent();
  43     }
  44
  45     private static DOMMountPoint convert(final org.opendaylight.mdsal.dom.api.DOMMountPoint from) {
  46         return new DOMMountPoint() {
  47             @Override
  48             public YangInstanceIdentifier getIdentifier() {
  49                 return from.getIdentifier();
  50             }
  51
  52             @Override
  53             public <T extends DOMService> Optional<T> getService(final Class<T> cls) {
  54                 return from.getService(cls);
  55             }
  56
  57             @Override
  58             public SchemaContext getSchemaContext() {
  59                 return from.getSchemaContext();
  60             }
  61
  62             @Override
  63             public int hashCode() {
  64                 return from.getIdentifier().hashCode();
  65             }
  66
  67             @Override
  68             public boolean equals(final Object obj) {
  69                 if (this == obj) {
  70                     return true;
  71                 }
  72
  73                 if (!(obj instanceof DOMMountPoint)) {
  74                     return false;
  75                 }
  76
  77                 DOMMountPoint other = (DOMMountPoint) obj;
  78                 return from.getIdentifier().equals(other.getIdentifier());
  79             }
  80         };
  81     }
  82
  83     @Override
  84     public DOMMountPointBuilder createMountPoint(final YangInstanceIdentifier path) {
  85         return new DOMMountPointBuilderImpl(path);
  86     }
  87
  88     @Override
  89     public ListenerRegistration<DOMMountPointListener> registerProvisionListener(final DOMMountPointListener listener) {
  90         return delegate.registerProvisionListener(listener);
  91     }
  92
  93     /**
  94      * Deprecated.
  95
  96      * @deprecated this method should never have been exposed publicly - registration should be done via the
  97      *         public {@link #createMountPoint} interface. As such, this method expects the {@code mountPoint} param
  98      *         to be of type {@link SimpleDOMMountPoint}.
  99      */
 100     @SuppressWarnings("unchecked")
 101     @Deprecated
 102     public ObjectRegistration<DOMMountPoint> registerMountPoint(final DOMMountPoint mountPoint) {
 103         Preconditions.checkArgument(mountPoint instanceof SimpleDOMMountPoint, "Expected SimpleDOMMountPoint");
 104
 105         final org.opendaylight.mdsal.dom.api.DOMMountPointService.DOMMountPointBuilder delegateBuilder =
 106             delegate.createMountPoint(mountPoint.getIdentifier());
 107
 108         if (mountPoint.getSchemaContext() != null) {
 109             delegateBuilder.addInitialSchemaContext(mountPoint.getSchemaContext());
 110         }
 111
 112         ((SimpleDOMMountPoint)mountPoint).getAllServices().forEach(
 113             entry -> delegateBuilder.addService((Class<DOMService>)entry.getKey(), entry.getValue()));
 114
 115         final ObjectRegistration<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateReg = delegateBuilder.register();
 116         return new ObjectRegistration<DOMMountPoint>() {
 117             @Override
 118             public void close() {
 119                 delegateReg.close();
 120             }
 121
 122             @Override
 123             public DOMMountPoint getInstance() {
 124                 return mountPoint;
 125             }
 126         };
 127     }
 128
 129     public class DOMMountPointBuilderImpl implements DOMMountPointBuilder {
 130
 131         ClassToInstanceMap<DOMService> services = MutableClassToInstanceMap.create();
 132         private SimpleDOMMountPoint mountPoint;
 133         private final YangInstanceIdentifier path;
 134         private SchemaContext schemaContext;
 135
 136         public DOMMountPointBuilderImpl(final YangInstanceIdentifier path) {
 137             this.path = path;
 138         }
 139
 140         @Override
 141         public <T extends DOMService> DOMMountPointBuilder addService(final Class<T> type, final T impl) {
 142             services.putInstance(type, impl);
 143             return this;
 144         }
 145
 146         @Override
 147         public DOMMountPointBuilder addInitialSchemaContext(final SchemaContext ctx) {
 148             schemaContext = ctx;
 149             return this;
 150         }
 151
 152         @Override
 153         public ObjectRegistration<DOMMountPoint> register() {
 154             Preconditions.checkState(mountPoint == null, "Mount point is already built.");
 155             mountPoint = SimpleDOMMountPoint.create(path, services, schemaContext);
 156             return registerMountPoint(mountPoint);
 157         }
 158     }
 159 }