opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/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.controller.md.sal.binding.impl;
   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.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  17 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  18 import org.opendaylight.yangtools.concepts.Delegator;
  19 import org.opendaylight.yangtools.yang.binding.DataObject;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  22 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  23 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 @Deprecated(forRemoval = true)
  28 public abstract class AbstractForwardedDataBroker implements Delegator<DOMDataBroker>, AutoCloseable {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(AbstractForwardedDataBroker.class);
  31     // The Broker to whom we do all forwarding
  32     private final DOMDataBroker domDataBroker;
  33
  34     private final BindingToNormalizedNodeCodec codec;
  35
  36     protected AbstractForwardedDataBroker(final DOMDataBroker domDataBroker, final BindingToNormalizedNodeCodec codec,
  37             final DOMSchemaService schemaService) {
  38         this.domDataBroker = domDataBroker;
  39         this.codec = codec;
  40     }
  41
  42     protected AbstractForwardedDataBroker(final DOMDataBroker domDataBroker, final BindingToNormalizedNodeCodec codec) {
  43         this.domDataBroker = domDataBroker;
  44         this.codec = codec;
  45     }
  46
  47     protected BindingToNormalizedNodeCodec getCodec() {
  48         return codec;
  49     }
  50
  51     @Override
  52     public DOMDataBroker getDelegate() {
  53         return domDataBroker;
  54     }
  55
  56     protected Map<InstanceIdentifier<?>, DataObject> toBinding(final InstanceIdentifier<?> path,
  57             final Map<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized) {
  58         final Map<InstanceIdentifier<?>, DataObject> newMap = new HashMap<>();
  59
  60         for (final Map.Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> entry : normalized.entrySet()) {
  61             try {
  62                 final Optional<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> potential =
  63                         getCodec().toBinding(entry);
  64                 if (potential.isPresent()) {
  65                     final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = potential.get();
  66                     newMap.put(binding.getKey(), binding.getValue());
  67                 }
  68             } catch (final DeserializationException e) {
  69                 LOG.warn("Failed to transform {}, omitting it", entry, e);
  70             }
  71         }
  72         return newMap;
  73     }
  74
  75     protected Set<InstanceIdentifier<?>> toBinding(final InstanceIdentifier<?> path,
  76             final Set<YangInstanceIdentifier> normalized) {
  77         final Set<InstanceIdentifier<?>> hashSet = new HashSet<>();
  78         for (final YangInstanceIdentifier normalizedPath : normalized) {
  79             try {
  80                 final Optional<InstanceIdentifier<? extends DataObject>> potential =
  81                         getCodec().toBinding(normalizedPath);
  82                 if (potential.isPresent()) {
  83                     final InstanceIdentifier<? extends DataObject> binding = potential.get();
  84                     hashSet.add(binding);
  85                 } else if (normalizedPath.getLastPathArgument()
  86                         instanceof YangInstanceIdentifier.AugmentationIdentifier) {
  87                     hashSet.add(path);
  88                 }
  89             } catch (final DeserializationException e) {
  90                 LOG.warn("Failed to transform {}, omitting it", normalizedPath, e);
  91             }
  92         }
  93         return hashSet;
  94     }
  95
  96     protected Optional<DataObject> toBindingData(final InstanceIdentifier<?> path, final NormalizedNode<?, ?> data) {
  97         if (path.isWildcarded()) {
  98             return Optional.empty();
  99         }
 100         return (Optional<DataObject>) getCodec().deserializeFunction(path)
 101                 .apply(Optional.<NormalizedNode<?, ?>>of(data));
 102     }
 103
 104     @Override
 105     public void close() {
 106     }
 107 }