binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/AbstractForwardedDataBroker.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.mdsal.binding.dom.adapter;
   9
  10 import java.util.HashMap;
  11 import java.util.HashSet;
  12 import java.util.Map;
  13 import java.util.Map.Entry;
  14 import java.util.Optional;
  15 import java.util.Set;
  16 import org.eclipse.jdt.annotation.NonNull;
  17 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  18 import org.opendaylight.yangtools.yang.binding.DataObject;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  21 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  22 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public abstract class AbstractForwardedDataBroker extends AbstractBindingAdapter<@NonNull DOMDataBroker> {
  27     private static final Logger LOG = LoggerFactory.getLogger(AbstractForwardedDataBroker.class);
  28
  29     protected AbstractForwardedDataBroker(final DOMDataBroker domDataBroker, final BindingToNormalizedNodeCodec codec) {
  30         super(codec, domDataBroker);
  31     }
  32
  33     protected Map<InstanceIdentifier<?>, DataObject> toBinding(final InstanceIdentifier<?> path,
  34             final Map<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized) {
  35         final Map<InstanceIdentifier<?>, DataObject> newMap = new HashMap<>();
  36
  37         for (final Map.Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> entry : normalized.entrySet()) {
  38             try {
  39                 final Optional<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> potential
  40                         = getCodec().toBinding(entry);
  41                 if (potential.isPresent()) {
  42                     final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = potential.get();
  43                     newMap.put(binding.getKey(), binding.getValue());
  44                 }
  45             } catch (final DeserializationException e) {
  46                 LOG.warn("Failed to transform {}, omitting it", entry, e);
  47             }
  48         }
  49         return newMap;
  50     }
  51
  52     protected Set<InstanceIdentifier<?>> toBinding(final InstanceIdentifier<?> path,
  53             final Set<YangInstanceIdentifier> normalized) {
  54         final Set<InstanceIdentifier<?>> hashSet = new HashSet<>();
  55         for (final YangInstanceIdentifier normalizedPath : normalized) {
  56             try {
  57                 final Optional<InstanceIdentifier<? extends DataObject>> potential
  58                         = getCodec().toBinding(normalizedPath);
  59                 if (potential.isPresent()) {
  60                     final InstanceIdentifier<? extends DataObject> binding = potential.get();
  61                     hashSet.add(binding);
  62                 } else if (normalizedPath.getLastPathArgument()
  63                         instanceof YangInstanceIdentifier.AugmentationIdentifier) {
  64                     hashSet.add(path);
  65                 }
  66             } catch (final DeserializationException e) {
  67                 LOG.warn("Failed to transform {}, omitting it", normalizedPath, e);
  68             }
  69         }
  70         return hashSet;
  71     }
  72
  73     @SuppressWarnings("unchecked")
  74     protected java.util.Optional<DataObject> toBindingData(final InstanceIdentifier<?> path,
  75             final NormalizedNode<?, ?> data) {
  76         if (path.isWildcarded()) {
  77             return java.util.Optional.empty();
  78         }
  79         return (java.util.Optional<DataObject>) getCodec().getCodecRegistry().deserializeFunction(path)
  80                 .apply(java.util.Optional.of(data));
  81     }
  82 }