dom/mdsal-dom-spi/src/main/java/org/opendaylight/mdsal/dom/spi/SimpleDOMMountPoint.java

   1 /*
   2  * Copyright (c) 2014, 2015 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.mdsal.dom.spi;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.collect.ClassToInstanceMap;
  13 import com.google.common.collect.ImmutableClassToInstanceMap;
  14 import java.util.Optional;
  15 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  16 import org.opendaylight.mdsal.dom.api.DOMService;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18
  19 public final class SimpleDOMMountPoint implements DOMMountPoint {
  20
  21     private final YangInstanceIdentifier identifier;
  22     private final ClassToInstanceMap<DOMService> services;
  23
  24     private SimpleDOMMountPoint(final YangInstanceIdentifier identifier,
  25             final ClassToInstanceMap<DOMService> services) {
  26         this.identifier =  requireNonNull(identifier);
  27         this.services = ImmutableClassToInstanceMap.copyOf(services);
  28     }
  29
  30     public static SimpleDOMMountPoint create(final YangInstanceIdentifier identifier,
  31             final ClassToInstanceMap<DOMService> services) {
  32         return new SimpleDOMMountPoint(identifier, services);
  33     }
  34
  35     @Override
  36     public YangInstanceIdentifier getIdentifier() {
  37         return identifier;
  38     }
  39
  40     @Override
  41     public <T extends DOMService> Optional<T> getService(final Class<T> cls) {
  42         return Optional.ofNullable(services.getInstance(cls));
  43     }
  44 }