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