opendaylight/md-sal/sal-binding-util/src/main/java/org/opendaylight/controller/md/sal/binding/util/TypeSafeDataReader.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.binding.util;
   9
  10 import org.opendaylight.controller.md.sal.common.api.data.DataReader;
  11 import org.opendaylight.yangtools.yang.binding.DataObject;
  12 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  13
  14 public final class TypeSafeDataReader {
  15
  16     private final DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate;
  17
  18     public DataReader<InstanceIdentifier<?>, DataObject> getDelegate() {
  19         return delegate;
  20     }
  21
  22     public TypeSafeDataReader(DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate) {
  23         this.delegate = delegate;
  24     }
  25
  26     @SuppressWarnings("unchecked")
  27     public <D extends DataObject> D readConfigurationData(InstanceIdentifier<D> path) {
  28         return (D) delegate.readConfigurationData(path);
  29     }
  30
  31     @SuppressWarnings("unchecked")
  32     public <D extends DataObject> D readOperationalData(InstanceIdentifier<D> path) {
  33         return (D) delegate.readOperationalData(path);
  34     }
  35
  36     public static TypeSafeDataReader forReader(DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate) {
  37         return new TypeSafeDataReader(delegate);
  38     }
  39 }