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.controller.sal.core.api.mount.MountProvisionListener;
  21 import org.opendaylight.mdsal.dom.api.DOMMountPointListener;
  22 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  24 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  27
  28 public class DOMMountPointServiceImpl implements DOMMountPointService {
  29
  30     private final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate;
  31
  32     @VisibleForTesting
  33     public DOMMountPointServiceImpl() {
  34         this(new org.opendaylight.mdsal.dom.broker.DOMMountPointServiceImpl());
  35     }
  36
  37     public DOMMountPointServiceImpl(final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate) {
  38         this.delegate = delegate;
  39     }
  40
  41     @Override
  42     public Optional<DOMMountPoint> getMountPoint(final YangInstanceIdentifier path) {
  43         final Optional<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateMountPoint = delegate.getMountPoint(path);
  44         return delegateMountPoint.isPresent() ? Optional.of(convert(delegateMountPoint.get())) : Optional.absent();
  45     }
  46
  47     private static DOMMountPoint convert(final org.opendaylight.mdsal.dom.api.DOMMountPoint from) {
  48         return new DOMMountPoint() {
  49             @Override
  50             public YangInstanceIdentifier getIdentifier() {
  51                 return from.getIdentifier();
  52             }
  53
  54             @Override
  55             public <T extends DOMService> Optional<T> getService(final Class<T> cls) {
  56                 return from.getService(cls);
  57             }
  58
  59             @Override
  60             public SchemaContext getSchemaContext() {
  61                 return from.getSchemaContext();
  62             }
  63
  64             @Override
  65             public int hashCode() {
  66                 return from.getIdentifier().hashCode();
  67             }
  68
  69             @Override
  70             public boolean equals(final Object obj) {
  71                 if (this == obj) {
  72                     return true;
  73                 }
  74
  75                 if (!(obj instanceof DOMMountPoint)) {
  76                     return false;
  77                 }
  78
  79                 DOMMountPoint other = (DOMMountPoint) obj;
  80                 return from.getIdentifier().equals(other.getIdentifier());
  81             }
  82         };
  83     }
  84
  85     @Override
  86     public DOMMountPointBuilder createMountPoint(final YangInstanceIdentifier path) {
  87         return new DOMMountPointBuilderImpl(path);
  88     }
  89
  90     @Override
  91     public ListenerRegistration<MountProvisionListener> registerProvisionListener(
  92             final MountProvisionListener listener) {
  93         final ListenerRegistration<DOMMountPointListener> delegateReg = delegate.registerProvisionListener(listener);
  94         return new AbstractListenerRegistration<MountProvisionListener>(listener) {
  95             @Override
  96             protected void removeRegistration() {
  97                 delegateReg.close();
  98             }
  99         };
 100     }
 101
 102     @Override
 103     public ListenerRegistration<DOMMountPointListener> registerProvisionListener(final DOMMountPointListener listener) {
 104         return delegate.registerProvisionListener(listener);
 105     }
 106
 107     /**
 108      * Deprecated.
 109
 110      * @deprecated this method should never have been exposed publicly - registration should be done via the
 111      *         public {@link #createMountPoint} interface. As such, this method expects the {@code mountPoint} param
 112      *         to be of type {@link SimpleDOMMountPoint}.
 113      */
 114     @SuppressWarnings("unchecked")
 115     @Deprecated
 116     public ObjectRegistration<DOMMountPoint> registerMountPoint(final DOMMountPoint mountPoint) {
 117         Preconditions.checkArgument(mountPoint instanceof SimpleDOMMountPoint, "Expected SimpleDOMMountPoint");
 118
 119         final org.opendaylight.mdsal.dom.api.DOMMountPointService.DOMMountPointBuilder delegateBuilder =
 120             delegate.createMountPoint(mountPoint.getIdentifier());
 121
 122         if (mountPoint.getSchemaContext() != null) {
 123             delegateBuilder.addInitialSchemaContext(mountPoint.getSchemaContext());
 124         }
 125
 126         ((SimpleDOMMountPoint)mountPoint).getAllServices().forEach(
 127             entry -> delegateBuilder.addService((Class<DOMService>)entry.getKey(), entry.getValue()));
 128
 129         final ObjectRegistration<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateReg = delegateBuilder.register();
 130         return new ObjectRegistration<DOMMountPoint>() {
 131             @Override
 132             public void close() {
 133                 delegateReg.close();
 134             }
 135
 136             @Override
 137             public DOMMountPoint getInstance() {
 138                 return mountPoint;
 139             }
 140         };
 141     }
 142
 143     public class DOMMountPointBuilderImpl implements DOMMountPointBuilder {
 144
 145         ClassToInstanceMap<DOMService> services = MutableClassToInstanceMap.create();
 146         private SimpleDOMMountPoint mountPoint;
 147         private final YangInstanceIdentifier path;
 148         private SchemaContext schemaContext;
 149
 150         public DOMMountPointBuilderImpl(final YangInstanceIdentifier path) {
 151             this.path = path;
 152         }
 153
 154         @Override
 155         public <T extends DOMService> DOMMountPointBuilder addService(final Class<T> type, final T impl) {
 156             services.putInstance(type, impl);
 157             return this;
 158         }
 159
 160         @Override
 161         public DOMMountPointBuilder addInitialSchemaContext(final SchemaContext ctx) {
 162             schemaContext = ctx;
 163             return this;
 164         }
 165
 166         @Override
 167         public ObjectRegistration<DOMMountPoint> register() {
 168             Preconditions.checkState(mountPoint == null, "Mount point is already built.");
 169             mountPoint = SimpleDOMMountPoint.create(path, services, schemaContext);
 170             return registerMountPoint(mountPoint);
 171         }
 172     }
 173 }