2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.yangtools.binding.data.codec.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ImmutableMap;
14 import java.lang.reflect.Method;
15 import java.util.Collection;
16 import java.util.HashMap;
17 import java.util.List;
19 import java.util.Map.Entry;
21 import org.opendaylight.yangtools.sal.binding.generator.api.ClassLoadingStrategy;
22 import org.opendaylight.yangtools.sal.binding.model.api.Type;
23 import org.opendaylight.yangtools.yang.binding.Augmentable;
24 import org.opendaylight.yangtools.yang.binding.Augmentation;
25 import org.opendaylight.yangtools.yang.binding.DataObject;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
28 import org.opendaylight.yangtools.yang.common.QName;
29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
34 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
35 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
36 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
37 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
38 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
39 import org.opendaylight.yangtools.yang.model.util.SchemaNodeUtils;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 abstract class DataObjectCodecContext<T extends DataNodeContainer> extends DataContainerCodecContext<T> {
44 private static final Logger LOG = LoggerFactory.getLogger(DataObjectCodecContext.class);
46 private final ImmutableMap<String, LeafNodeCodecContext> leafChild;
47 private final ImmutableMap<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYang;
48 private final ImmutableMap<Method, NodeContextSupplier> byMethod;
49 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byStreamClass;
50 private final ImmutableMap<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClass;
51 protected final Method augmentationGetter;
53 protected DataObjectCodecContext(final DataContainerCodecPrototype<T> prototype) {
56 this.leafChild = factory().getLeafNodes(bindingClass(), schema());
58 Map<Class<?>, Method> clsToMethod = BindingReflections.getChildrenClassToMethod(bindingClass());
60 Map<YangInstanceIdentifier.PathArgument, NodeContextSupplier> byYangBuilder = new HashMap<>();
61 Map<Method, NodeContextSupplier> byMethodBuilder = new HashMap<>();
62 Map<Class<?>, DataContainerCodecPrototype<?>> byStreamClassBuilder = new HashMap<>();
63 Map<Class<?>, DataContainerCodecPrototype<?>> byBindingArgClassBuilder = new HashMap<>();
65 // Adds leaves to mapping
66 for (LeafNodeCodecContext leaf : leafChild.values()) {
67 byMethodBuilder.put(leaf.getGetter(), leaf);
68 byYangBuilder.put(leaf.getDomPathArgument(), leaf);
71 for (Entry<Class<?>, Method> childDataObj : clsToMethod.entrySet()) {
72 DataContainerCodecPrototype<?> childProto = loadChildPrototype(childDataObj.getKey());
73 byMethodBuilder.put(childDataObj.getValue(), childProto);
74 byStreamClassBuilder.put(childProto.getBindingClass(), childProto);
75 byYangBuilder.put(childProto.getYangArg(), childProto);
76 if (childProto.isChoice()) {
77 ChoiceNodeCodecContext choice = (ChoiceNodeCodecContext) childProto.get();
78 for(Class<?> cazeChild : choice.getCaseChildrenClasses()) {
79 byBindingArgClassBuilder.put(cazeChild, childProto);
83 this.byMethod = ImmutableMap.copyOf(byMethodBuilder);
84 if (Augmentable.class.isAssignableFrom(bindingClass())) {
86 augmentationGetter = bindingClass().getMethod("getAugmentation", Class.class);
87 } catch (NoSuchMethodException | SecurityException e) {
88 throw new IllegalStateException("Could not get required method.",e);
90 ImmutableMap<AugmentationIdentifier, Type> augmentations = factory().getRuntimeContext()
91 .getAvailableAugmentationTypes(schema());
92 for (Entry<AugmentationIdentifier, Type> augment : augmentations.entrySet()) {
93 DataContainerCodecPrototype<?> augProto = getAugmentationPrototype(augment.getValue());
94 if (augProto != null) {
95 byYangBuilder.put(augProto.getYangArg(), augProto);
96 byStreamClassBuilder.put(augProto.getBindingClass(), augProto);
100 augmentationGetter = null;
103 this.byYang = ImmutableMap.copyOf(byYangBuilder);
104 this.byStreamClass = ImmutableMap.copyOf(byStreamClassBuilder);
105 byBindingArgClassBuilder.putAll(byStreamClass);
106 this.byBindingArgClass = ImmutableMap.copyOf(byBindingArgClassBuilder);
110 protected DataContainerCodecContext<?> getStreamChild(final Class<?> childClass) {
111 DataContainerCodecPrototype<?> childProto = byStreamClass.get(childClass);
112 Preconditions.checkArgument(childProto != null, " Child %s is not valid child.",childClass);
113 return childProto.get();
117 protected DataContainerCodecContext<?> getIdentifierChild(final InstanceIdentifier.PathArgument arg,
118 final List<YangInstanceIdentifier.PathArgument> builder) {
120 Class<? extends DataObject> argType = arg.getType();
121 DataContainerCodecPrototype<?> ctxProto = byBindingArgClass.get(argType);
122 Preconditions.checkArgument(ctxProto != null,"Invalid child");
124 DataContainerCodecContext<?> context = ctxProto.get();
125 if(context instanceof ChoiceNodeCodecContext) {
126 ChoiceNodeCodecContext casted = (ChoiceNodeCodecContext) context;
127 casted.addYangPathArgument(arg, builder);
128 DataContainerCodecContext<?> caze = casted.getCazeByChildClass(arg.getType());
129 caze.addYangPathArgument(arg, builder);
130 return caze.getIdentifierChild(arg, builder);
132 context.addYangPathArgument(arg, builder);
137 protected NodeCodecContext getYangIdentifierChild(YangInstanceIdentifier.PathArgument arg) {
138 if(arg instanceof NodeIdentifierWithPredicates) {
139 arg = new NodeIdentifier(arg.getNodeType());
141 NodeContextSupplier childSupplier = byYang.get(arg);
142 Preconditions.checkArgument(childSupplier != null, "Argument %s is not valid child of %s", arg, schema());
143 return childSupplier.get();
146 protected final LeafNodeCodecContext getLeafChild(final String name) {
147 final LeafNodeCodecContext value = leafChild.get(name);
148 Preconditions.checkArgument(value != null, "Leaf %s is not valid for %s", name, bindingClass());
152 private DataContainerCodecPrototype<?> loadChildPrototype(final Class<?> childClass) {
153 DataSchemaNode origDef = factory().getRuntimeContext().getSchemaDefinition(childClass);
154 // Direct instantiation or use in same module in which grouping
156 DataSchemaNode sameName;
158 sameName = schema().getDataChildByName(origDef.getQName());
159 } catch (IllegalArgumentException e) {
162 final DataSchemaNode childSchema;
163 if (sameName != null) {
164 // Exactly same schema node
165 if (origDef.equals(sameName)) {
166 childSchema = sameName;
167 // We check if instantiated node was added via uses
168 // statement and is instantiation of same grouping
169 } else if (origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(sameName))) {
170 childSchema = sameName;
172 // Node has same name, but clearly is different
176 // We are looking for instantiation via uses in other module
177 QName instantiedName = QName.create(namespace(), origDef.getQName().getLocalName());
178 DataSchemaNode potential = schema().getDataChildByName(instantiedName);
179 // We check if it is really instantiated from same
180 // definition as class was derived
181 if (potential != null && origDef.equals(SchemaNodeUtils.getRootOriginalIfPossible(potential))) {
182 childSchema = potential;
187 Preconditions.checkArgument(childSchema != null, "Node %s does not have child named %s", schema(), childClass);
188 return DataContainerCodecPrototype.from(childClass, childSchema, factory());
191 private DataContainerCodecPrototype<?> getAugmentationPrototype(final Type value) {
192 ClassLoadingStrategy loader = factory().getRuntimeContext().getStrategy();
193 @SuppressWarnings("rawtypes")
194 final Class augClass;
196 augClass = loader.loadClass(value);
197 } catch (ClassNotFoundException e) {
198 LOG.warn("Failed to load augmentation prototype for {}", value, e);
202 Entry<AugmentationIdentifier, AugmentationSchema> augSchema = factory().getRuntimeContext()
203 .getResolvedAugmentationSchema(schema(), augClass);
204 return DataContainerCodecPrototype.from(augClass, augSchema.getKey(), augSchema.getValue(), factory());
207 @SuppressWarnings("rawtypes")
208 Object getBindingChildValue(final Method method, final NormalizedNodeContainer domData) {
209 NodeCodecContext childContext = byMethod.get(method).get();
210 Optional<NormalizedNode<?, ?>> domChild = domData.getChild(childContext.getDomPathArgument());
211 if (domChild.isPresent()) {
212 return childContext.dataFromNormalizedNode(domChild.get());
217 public Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAllAugmentationsFrom(
218 final NormalizedNodeContainer<?, PathArgument, NormalizedNode<?, ?>> data) {
220 @SuppressWarnings("rawtypes")
221 Map map = new HashMap<>();
223 for(DataContainerCodecPrototype<?> value : byStreamClass.values()) {
224 if(Augmentation.class.isAssignableFrom(value.getBindingClass())) {
225 Optional<NormalizedNode<?, ?>> augData = data.getChild(value.getYangArg());
226 if(augData.isPresent()) {
227 map.put(value.getBindingClass(), value.get().dataFromNormalizedNode(augData.get()));
234 public Collection<Method> getHashCodeAndEqualsMethods() {
235 // FIXME: Sort method in same order as in hashCode for generated class.
236 return byMethod.keySet();