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 com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.collect.ClassToInstanceMap;
  14 import com.google.common.collect.MutableClassToInstanceMap;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  18 import org.opendaylight.controller.md.sal.dom.broker.spi.mount.SimpleDOMMountPoint;
  19 import org.opendaylight.controller.sal.core.compat.DOMMountPointAdapter;
  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     private final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate;
  28
  29     @VisibleForTesting
  30     public DOMMountPointServiceImpl() {
  31         this(new org.opendaylight.mdsal.dom.broker.DOMMountPointServiceImpl());
  32     }
  33
  34     public DOMMountPointServiceImpl(final org.opendaylight.mdsal.dom.api.DOMMountPointService delegate) {
  35         this.delegate = delegate;
  36     }
  37
  38     @Override
  39     public Optional<DOMMountPoint> getMountPoint(final YangInstanceIdentifier path) {
  40         return Optional.fromJavaUtil(delegate.getMountPoint(path).map(DOMMountPointAdapter::new));
  41     }
  42
  43     @Override
  44     public DOMMountPointBuilder createMountPoint(final YangInstanceIdentifier path) {
  45         return new DOMMountPointBuilderImpl(path);
  46     }
  47
  48     @Override
  49     public ListenerRegistration<DOMMountPointListener> registerProvisionListener(final DOMMountPointListener listener) {
  50         return delegate.registerProvisionListener(listener);
  51     }
  52
  53     @SuppressWarnings("unchecked")
  54     ObjectRegistration<DOMMountPoint> registerMountPoint(final SimpleDOMMountPoint mountPoint) {
  55         final org.opendaylight.mdsal.dom.api.DOMMountPointService.DOMMountPointBuilder delegateBuilder =
  56                 delegate.createMountPoint(mountPoint.getIdentifier());
  57
  58         if (mountPoint.getSchemaContext() != null) {
  59             delegateBuilder.addInitialSchemaContext(mountPoint.getSchemaContext());
  60         }
  61
  62         mountPoint.getAllServices().forEach(
  63             entry -> delegateBuilder.addService((Class<DOMService>)entry.getKey(), entry.getValue()));
  64
  65         final ObjectRegistration<org.opendaylight.mdsal.dom.api.DOMMountPoint> delegateReg = delegateBuilder.register();
  66         return new ObjectRegistration<DOMMountPoint>() {
  67             @Override
  68             public void close() {
  69                 delegateReg.close();
  70             }
  71
  72             @Override
  73             public DOMMountPoint getInstance() {
  74                 return mountPoint;
  75             }
  76         };
  77     }
  78
  79     public class DOMMountPointBuilderImpl implements DOMMountPointBuilder {
  80
  81         ClassToInstanceMap<DOMService> services = MutableClassToInstanceMap.create();
  82         private SimpleDOMMountPoint mountPoint;
  83         private final YangInstanceIdentifier path;
  84         private SchemaContext schemaContext;
  85
  86         public DOMMountPointBuilderImpl(final YangInstanceIdentifier path) {
  87             this.path = path;
  88         }
  89
  90         @Override
  91         public <T extends DOMService> DOMMountPointBuilder addService(final Class<T> type, final T impl) {
  92             services.putInstance(type, impl);
  93             return this;
  94         }
  95
  96         @Override
  97         public DOMMountPointBuilder addInitialSchemaContext(final SchemaContext ctx) {
  98             schemaContext = ctx;
  99             return this;
 100         }
 101
 102         @Override
 103         public ObjectRegistration<DOMMountPoint> register() {
 104             Preconditions.checkState(mountPoint == null, "Mount point is already built.");
 105             mountPoint = SimpleDOMMountPoint.create(path, services, schemaContext);
 106             return registerMountPoint(mountPoint);
 107         }
 108     }
 109 }