Unify {Action,Notification}Spec lookup
[mdsal.git] / binding / mdsal-binding-dom-adapter / src / main / java / org / opendaylight / mdsal / binding / dom / adapter / CurrentAdapterSerializer.java
index d6ff0c336f25aae9e3949264578391d23a6f803c..c5b99844f2ce0c23528a1163b8ee9c634168fb11 100644 (file)
@@ -13,39 +13,40 @@ import static java.util.Objects.requireNonNull;
 
 import com.google.common.annotations.Beta;
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.VerifyException;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
-import com.google.common.collect.ImmutableBiMap;
-import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
 import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
 import org.opendaylight.mdsal.binding.api.ActionSpec;
 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
 import org.opendaylight.mdsal.binding.api.InstanceNotificationSpec;
 import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices;
 import org.opendaylight.mdsal.binding.dom.codec.spi.ForwardingBindingDOMCodecServices;
-import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeContext;
-import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
-import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
+import org.opendaylight.mdsal.binding.model.api.JavaTypeName;
+import org.opendaylight.mdsal.binding.runtime.api.ActionRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.InputRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.NotificationRuntimeType;
+import org.opendaylight.mdsal.binding.runtime.api.RuntimeType;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.yangtools.yang.binding.BindingContract;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.RpcService;
-import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.common.QNameModule;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 import org.opendaylight.yangtools.yang.model.api.stmt.ActionEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.ListEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.NotificationEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaTreeEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -63,6 +64,7 @@ public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecSer
                 }
             });
 
+    private final ConcurrentMap<JavaTypeName, ContextReferenceExtractor> extractors = new ConcurrentHashMap<>();
     private final @NonNull BindingDOMCodecServices delegate;
 
     public CurrentAdapterSerializer(final BindingDOMCodecServices delegate) {
@@ -83,7 +85,7 @@ public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecSer
     }
 
     DOMDataTreeIdentifier toDOMDataTreeIdentifier(final DataTreeIdentifier<?> path) {
-        return new DOMDataTreeIdentifier(path.getDatastoreType(), toYangInstanceIdentifier(path.getRootIdentifier()));
+        return DOMDataTreeIdentifier.of(path.datastore(), toYangInstanceIdentifier(path.path()));
     }
 
     Collection<DOMDataTreeIdentifier> toDOMDataTreeIdentifiers(final Collection<DataTreeIdentifier<?>> subtrees) {
@@ -91,20 +93,62 @@ public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecSer
     }
 
     @NonNull Absolute getActionPath(final @NonNull ActionSpec<?, ?> spec) {
-        final var entry = resolvePath(spec.path());
-        final var stack = entry.getKey();
-        final var stmt = stack.enterSchemaTree(BindingReflections.findQName(spec.type()).bindTo(entry.getValue()));
-        verify(stmt instanceof ActionEffectiveStatement, "Action %s resolved to unexpected statement %s", spec, stmt);
-        return stack.toSchemaNodeIdentifier();
+        return getSchemaNodeIdentifier(spec.path(), spec.type(), ActionRuntimeType.class,
+            ActionEffectiveStatement.class);
     }
 
     @NonNull Absolute getNotificationPath(final @NonNull InstanceNotificationSpec<?, ?> spec) {
-        final var entry = resolvePath(spec.path());
+        return getSchemaNodeIdentifier(spec.path(), spec.type(), NotificationRuntimeType.class,
+            NotificationEffectiveStatement.class);
+    }
+
+    private <T extends RuntimeType> @NonNull Absolute getSchemaNodeIdentifier(final @NonNull InstanceIdentifier<?> path,
+            final @NonNull Class<? extends BindingContract<?>> type, final @NonNull Class<T> expectedRuntime,
+            final @NonNull Class<? extends SchemaTreeEffectiveStatement<?>> expectedStatement) {
+        final var typeName = JavaTypeName.create(type);
+        final var runtimeType = getRuntimeContext().getTypes().findSchema(typeName)
+            .orElseThrow(() -> new IllegalArgumentException(typeName + " is not known"));
+        final T casted;
+        try {
+            casted = expectedRuntime.cast(runtimeType);
+        } catch (ClassCastException e) {
+            throw new IllegalArgumentException(typeName + " resolved to unexpected " + runtimeType, e);
+        }
+        final var qname = expectedStatement.cast(casted.statement()).argument();
+
+        final var entry = resolvePath(path);
         final var stack = entry.getKey();
-        final var stmt = stack.enterSchemaTree(BindingReflections.findQName(spec.type()).bindTo(entry.getValue()));
-        verify(stmt instanceof NotificationEffectiveStatement, "Notification %s resolved to unexpected statement %s",
-            spec, stmt);
-        return stack.toSchemaNodeIdentifier();
+        final var stmt = stack.enterSchemaTree(qname.bindTo(entry.getValue()));
+        if (expectedStatement.isInstance(stmt)) {
+            return stack.toSchemaNodeIdentifier();
+        }
+        throw new VerifyException(path + " child " + typeName + " resolved to unexpected statement" + stmt);
+    }
+
+    @Nullable ContextReferenceExtractor findExtractor(final @NonNull InputRuntimeType inputType) {
+        final var inputName = inputType.getIdentifier();
+        final var cached = extractors.get(inputName);
+        if (cached != null) {
+            return cached;
+        }
+
+        // Load the class
+        final Class<?> inputClass;
+        try {
+            inputClass = getRuntimeContext().loadClass(inputName);
+        } catch (ClassNotFoundException e) {
+            throw new IllegalArgumentException("Failed to load class for " + inputType, e);
+        }
+
+        // Check if there is an extractor at all
+        final var created = ContextReferenceExtractor.of(inputClass);
+        if (created == null) {
+            return null;
+        }
+
+        // Reconcile with cache
+        final var raced = extractors.putIfAbsent(inputName, created);
+        return raced != null ? raced : created;
     }
 
     private @NonNull Entry<SchemaInferenceStack, QNameModule> resolvePath(final @NonNull InstanceIdentifier<?> path) {
@@ -115,13 +159,6 @@ public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecSer
         QNameModule lastNamespace;
         do {
             final var arg = it.next();
-            if (arg instanceof AugmentationIdentifier) {
-                final var augChildren = ((AugmentationIdentifier) arg).getPossibleChildNames();
-                verify(!augChildren.isEmpty(), "Invalid empty augmentation %s", arg);
-                lastNamespace = augChildren.iterator().next().getModule();
-                continue;
-            }
-
             final var qname = arg.getNodeType();
             final var stmt = stack.enterDataTree(qname);
             lastNamespace = qname.getModule();
@@ -138,55 +175,4 @@ public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecSer
 
         return Map.entry(stack, lastNamespace);
     }
-
-    // FIXME: This should be probably part of Binding Runtime context
-    ImmutableBiMap<Method, RpcDefinition> getRpcMethodToSchema(final Class<? extends RpcService> key) {
-        final Module module = getModule(key);
-        final ImmutableBiMap.Builder<Method, RpcDefinition> ret = ImmutableBiMap.builder();
-        try {
-            for (final RpcDefinition rpcDef : module.getRpcs()) {
-                final Method method = findRpcMethod(key, rpcDef);
-                ret.put(method, rpcDef);
-            }
-        } catch (final NoSuchMethodException e) {
-            throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
-        }
-        return ret.build();
-    }
-
-    // FIXME: This should be probably part of Binding Runtime context
-    ImmutableBiMap<Method, QName> getRpcMethodToQName(final Class<? extends RpcService> key) {
-        final Module module = getModule(key);
-        final ImmutableBiMap.Builder<Method, QName> ret = ImmutableBiMap.builder();
-        try {
-            for (final RpcDefinition rpcDef : module.getRpcs()) {
-                final Method method = findRpcMethod(key, rpcDef);
-                ret.put(method,rpcDef.getQName());
-            }
-        } catch (final NoSuchMethodException e) {
-            throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
-        }
-        return ret.build();
-    }
-
-    private Module getModule(final Class<?> modeledClass) {
-        final QNameModule moduleName = BindingReflections.getQNameModule(modeledClass);
-        final BindingRuntimeContext localRuntimeContext = getRuntimeContext();
-        final Module module = localRuntimeContext.getEffectiveModelContext().findModule(moduleName).orElse(null);
-        if (module != null) {
-            return module;
-        }
-
-        LOG.trace("Schema for {} is not available; expected module name: {}; BindingRuntimeContext: {}",
-                modeledClass, moduleName, localRuntimeContext);
-        throw new IllegalStateException(String.format("Schema for %s is not available; expected module name: %s; "
-                + "full BindingRuntimeContext available in trace log", modeledClass, moduleName));
-    }
-
-    private Method findRpcMethod(final Class<? extends RpcService> key, final RpcDefinition rpcDef)
-            throws NoSuchMethodException {
-        final var rpcName = rpcDef.getQName();
-        final var inputClz = getRuntimeContext().getRpcInput(rpcName);
-        return key.getMethod(BindingMapping.getRpcMethodName(rpcName), inputClz);
-    }
 }