Fix for Bug 144, Bug 147, 148 - improved codec

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

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/dom/serializer/impl/InstanceIdentifierCodecImpl.xtend b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/dom/serializer/impl/InstanceIdentifierCodecImpl.xtend
new file mode 100644 (file)
index 0000000..fd02fde
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/dom/serializer/impl/InstanceIdentifierCodecImpl.xtend
@@ -0,0 +1,123 @@
+package org.opendaylight.controller.sal.binding.dom.serializer.impl
+
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
+import org.opendaylight.controller.sal.binding.dom.serializer.api.CodecRegistry
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.IdentifiableItem
+import org.opendaylight.yangtools.yang.common.QName
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item
+import java.util.Map
+import java.util.WeakHashMap
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifier
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates
+import java.util.ArrayList
+import org.opendaylight.controller.sal.binding.dom.serializer.api.InstanceIdentifierCodec
+import org.opendaylight.controller.sal.binding.dom.serializer.api.ValueWithQName
+import java.util.HashMap
+import org.slf4j.LoggerFactory
+import java.util.List
+import org.opendaylight.yangtools.yang.binding.DataObject
+import org.opendaylight.controller.sal.binding.dom.serializer.api.IdentifierCodec
+import org.opendaylight.yangtools.yang.data.impl.CompositeNodeTOImpl
+import org.opendaylight.yangtools.yang.data.api.Node
+import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl
+import org.opendaylight.yangtools.yang.data.api.CompositeNode
+
+class InstanceIdentifierCodecImpl implements InstanceIdentifierCodec {
+    
+    private static val LOG = LoggerFactory.getLogger(InstanceIdentifierCodecImpl);
+    val CodecRegistry codecRegistry;
+    
+    val Map<Class<?>,QName> classToQName = new WeakHashMap;
+    
+    
+    public new(CodecRegistry registry) {
+        codecRegistry = registry;
+    }
+    
+    
+    override deserialize(org.opendaylight.yangtools.yang.data.api.InstanceIdentifier input) {
+        var Class<?> baType = null
+        val biArgs = input.path
+        val scannedPath = new ArrayList<QName>(biArgs.size);
+        val baArgs = new ArrayList<org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument>(biArgs.size)
+        for(biArg : biArgs) {
+            scannedPath.add(biArg.nodeType);
+            val baArg = deserializePathArgument(biArg,scannedPath)
+            baArgs.add(baArg)
+            baType = baArg?.type
+        }
+        val ret = new InstanceIdentifier(baArgs,baType as Class<? extends DataObject>);
+        return ret;
+    }
+    
+    private def dispatch org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument deserializePathArgument(NodeIdentifier argument,List<QName> processedPath) {
+        val Class cls = codecRegistry.getClassForPath(processedPath);
+        return new Item(cls);
+    }
+    
+    
+    private def dispatch org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument deserializePathArgument(NodeIdentifierWithPredicates argument,List<QName> processedPath) {
+        val Class type = codecRegistry.getClassForPath(processedPath);
+        val IdentifierCodec codec = codecRegistry.getIdentifierCodecForIdentifiable(type);
+        val value = codec.deserialize(argument.toCompositeNode())?.value;
+        return CodecTypeUtils.newIdentifiableItem(type,value);
+    }
+    
+    def CompositeNode toCompositeNode(NodeIdentifierWithPredicates predicates) {
+        val keyValues = predicates.keyValues.entrySet;
+        val values = new ArrayList<Node<?>>(keyValues.size)
+        for(keyValue : keyValues) {
+            values.add(new SimpleNodeTOImpl(keyValue.key,null,keyValue.value))
+        }
+        return new CompositeNodeTOImpl(predicates.nodeType,null,values);
+    }
+    
+    override serialize(InstanceIdentifier input) {
+        val pathArgs = input.path as List<org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument>
+        var QName previousQName = null;
+        val components = new ArrayList<PathArgument>(pathArgs.size);
+        for(baArg : pathArgs) { 
+            codecRegistry.bindingClassEncountered(baArg.type);
+            val biArg = serializePathArgument(baArg,previousQName);
+            previousQName = biArg.nodeType;
+            components.add(biArg);
+        }
+        return new org.opendaylight.yangtools.yang.data.api.InstanceIdentifier(components);
+    }
+    
+    private def dispatch PathArgument serializePathArgument(Item argument, QName previousQname) {
+        val type = argument.type;
+        val qname = resolveQname(type);
+        if(previousQname == null) {
+            return new NodeIdentifier(qname);
+        }
+        return new NodeIdentifier(QName.create(previousQname,qname.localName));
+    }
+    
+    private def dispatch PathArgument serializePathArgument(IdentifiableItem argument, QName previousQname) {
+        val Map<QName,Object> predicates = new HashMap();
+        val type = argument.type;
+        val keyCodec = codecRegistry.getIdentifierCodecForIdentifiable(type);
+        val qname = resolveQname(type);
+        val combinedInput =  new ValueWithQName(previousQname,argument.key)
+        val compositeOutput = keyCodec.serialize(combinedInput as ValueWithQName);
+        for(outputValue :compositeOutput.value) {
+            predicates.put(outputValue.nodeType,outputValue.value);
+        }
+        if(previousQname == null) {
+            return new NodeIdentifierWithPredicates(qname,predicates);
+        }
+        return new NodeIdentifierWithPredicates(QName.create(previousQname,qname.localName),predicates);
+    }
+    
+    def resolveQname(Class class1) {
+        val qname = classToQName.get(class1);
+        if(qname !== null) {
+            return qname;
+        }
+        val qnameField = class1.getField("QNAME");
+        val qnameValue = qnameField.get(null) as QName;
+        classToQName.put(class1,qnameValue);
+    }
+}
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