opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/dom/serializer/impl/InstanceIdentifierCodecImpl.xtend

   1 package org.opendaylight.controller.sal.binding.dom.serializer.impl
   2
   3 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
   4 import org.opendaylight.controller.sal.binding.dom.serializer.api.CodecRegistry
   5 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument
   6 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.IdentifiableItem
   7 import org.opendaylight.yangtools.yang.common.QName
   8 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item
   9 import java.util.Map
  10 import java.util.WeakHashMap
  11 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifier
  12 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates
  13 import java.util.ArrayList
  14 import org.opendaylight.controller.sal.binding.dom.serializer.api.InstanceIdentifierCodec
  15 import org.opendaylight.controller.sal.binding.dom.serializer.api.ValueWithQName
  16 import java.util.HashMap
  17 import org.slf4j.LoggerFactory
  18 import java.util.List
  19 import org.opendaylight.yangtools.yang.binding.DataObject
  20 import org.opendaylight.controller.sal.binding.dom.serializer.api.IdentifierCodec
  21 import org.opendaylight.yangtools.yang.data.impl.CompositeNodeTOImpl
  22 import org.opendaylight.yangtools.yang.data.api.Node
  23 import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl
  24 import org.opendaylight.yangtools.yang.data.api.CompositeNode
  25 import org.opendaylight.yangtools.yang.binding.Augmentable
  26 import com.google.common.collect.ImmutableList
  27 import org.opendaylight.yangtools.yang.binding.Augmentation
  28 import java.util.concurrent.ConcurrentHashMap
  29 import org.opendaylight.yangtools.yang.binding.util.BindingReflections
  30
  31 class InstanceIdentifierCodecImpl implements InstanceIdentifierCodec {
  32
  33     private static val LOG = LoggerFactory.getLogger(InstanceIdentifierCodecImpl);
  34     val CodecRegistry codecRegistry;
  35
  36     val Map<Class<?>, Map<List<QName>, Class<?>>> classToPreviousAugment = new WeakHashMap;
  37
  38     public new(CodecRegistry registry) {
  39         codecRegistry = registry;
  40     }
  41
  42
  43     override deserialize(org.opendaylight.yangtools.yang.data.api.InstanceIdentifier input) {
  44         var Class<?> baType = null
  45         val biArgs = input.path
  46         val scannedPath = new ArrayList<QName>(biArgs.size);
  47         val baArgs = new ArrayList<org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument>(biArgs.size)
  48         for(biArg : biArgs) {
  49             scannedPath.add(biArg.nodeType);
  50             val baArg = deserializePathArgument(biArg,scannedPath)
  51             baType = baArg?.type
  52             val injectAugment = classToPreviousAugment.get(baType);
  53             if(injectAugment != null) {
  54                 val augment = injectAugment.get(scannedPath) as Class<? extends DataObject>;
  55                 if(augment != null) {
  56                     baArgs.add(new Item(augment));
  57                 }
  58             }
  59             baArgs.add(baArg)
  60         }
  61         val ret = new InstanceIdentifier(baArgs,baType as Class<? extends DataObject>);
  62         LOG.debug("DOM Instance Identifier {} deserialized to {}",input,ret);
  63         return ret;
  64     }
  65
  66     private def dispatch org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument deserializePathArgument(NodeIdentifier argument,List<QName> processedPath) {
  67         val Class cls = codecRegistry.getClassForPath(processedPath);
  68         return new Item(cls);
  69     }
  70
  71
  72     private def dispatch org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument deserializePathArgument(NodeIdentifierWithPredicates argument,List<QName> processedPath) {
  73         val Class type = codecRegistry.getClassForPath(processedPath);
  74         val IdentifierCodec codec = codecRegistry.getIdentifierCodecForIdentifiable(type);
  75         val value = codec.deserialize(argument.toCompositeNode())?.value;
  76         return CodecTypeUtils.newIdentifiableItem(type,value);
  77     }
  78
  79     def CompositeNode toCompositeNode(NodeIdentifierWithPredicates predicates) {
  80         val keyValues = predicates.keyValues.entrySet;
  81         val values = new ArrayList<Node<?>>(keyValues.size)
  82         for(keyValue : keyValues) {
  83             values.add(new SimpleNodeTOImpl(keyValue.key,null,keyValue.value))
  84         }
  85         return new CompositeNodeTOImpl(predicates.nodeType,null,values);
  86     }
  87
  88     override serialize(InstanceIdentifier input) {
  89         var Class<?> previousAugmentation = null
  90         val pathArgs = input.path as List<org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument>
  91         var QName previousQName = null;
  92         val components = new ArrayList<PathArgument>(pathArgs.size);
  93         val qnamePath = new ArrayList<QName>(pathArgs.size);
  94         for(baArg : pathArgs) {
  95
  96             if(!Augmentation.isAssignableFrom(baArg.type)) {
  97
  98                 val biArg = serializePathArgument(baArg,previousQName);
  99                 previousQName = biArg.nodeType;
 100                 components.add(biArg);
 101                 qnamePath.add(biArg.nodeType);
 102                 val immutableList = ImmutableList.copyOf(qnamePath);
 103                 codecRegistry.putPathToClass(immutableList,baArg.type);
 104                 if(previousAugmentation !== null) {
 105                     updateAugmentationInjection(baArg.type,immutableList,previousAugmentation)
 106                 }
 107
 108                 previousAugmentation = null;
 109             } else {
 110                 previousQName = codecRegistry.getQNameForAugmentation(baArg.type as Class);
 111                 previousAugmentation = baArg.type;
 112             }
 113         }
 114         val ret = new org.opendaylight.yangtools.yang.data.api.InstanceIdentifier(components);
 115         LOG.debug("Binding Instance Identifier {} serialized to DOM InstanceIdentifier {}",input,ret);
 116         return ret;
 117     }
 118
 119     def updateAugmentationInjection(Class<? extends DataObject> class1, ImmutableList<QName> list, Class<?> augmentation) {
 120         if(classToPreviousAugment.get(class1) == null) {
 121             classToPreviousAugment.put(class1,new ConcurrentHashMap());
 122         }
 123         classToPreviousAugment.get(class1).put(list,augmentation);
 124     }
 125
 126     private def dispatch PathArgument serializePathArgument(Item argument, QName previousQname) {
 127         val type = argument.type;
 128         val qname = BindingReflections.findQName(type);
 129         if(previousQname == null) {
 130             return new NodeIdentifier(qname);
 131         }
 132         return new NodeIdentifier(QName.create(previousQname,qname.localName));
 133     }
 134
 135     @SuppressWarnings("rawtypes")
 136     private def dispatch PathArgument serializePathArgument(IdentifiableItem argument, QName previousQname) {
 137         val Map<QName,Object> predicates = new HashMap();
 138         val type = argument.type;
 139         val keyCodec = codecRegistry.getIdentifierCodecForIdentifiable(type);
 140         val qname = BindingReflections.findQName(type);
 141         val combinedInput =  new ValueWithQName(previousQname,argument.key)
 142         val compositeOutput = keyCodec.serialize(combinedInput as ValueWithQName);
 143         for(outputValue :compositeOutput.value) {
 144             predicates.put(outputValue.nodeType,outputValue.value);
 145         }
 146         if(previousQname == null) {
 147             return new NodeIdentifierWithPredicates(qname,predicates);
 148         }
 149         return new NodeIdentifierWithPredicates(QName.create(previousQname,qname.localName),predicates);
 150     }
 151 }