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.mdsal.binding.dom.codec.impl;
10 import com.google.common.collect.Iterables;
11 import javax.annotation.concurrent.GuardedBy;
12 import org.opendaylight.mdsal.binding.dom.codec.impl.NodeCodecContext.CodecContextFactory;
13 import org.opendaylight.yangtools.yang.binding.DataRoot;
14 import org.opendaylight.yangtools.yang.binding.Identifiable;
15 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
16 import org.opendaylight.yangtools.yang.common.QNameModule;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
21 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
22 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
23 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
27 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
28 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
30 final class DataContainerCodecPrototype<T> implements NodeContextSupplier {
32 private final T schema;
33 private final QNameModule namespace;
34 private final CodecContextFactory factory;
35 private final Class<?> bindingClass;
36 private final InstanceIdentifier.Item<?> bindingArg;
37 private final YangInstanceIdentifier.PathArgument yangArg;
38 private volatile DataContainerCodecContext<?,T> instance = null;
40 @SuppressWarnings({"rawtypes", "unchecked"})
41 private DataContainerCodecPrototype(final Class<?> cls, final YangInstanceIdentifier.PathArgument arg, final T nodeSchema,
42 final CodecContextFactory factory) {
43 this.bindingClass = cls;
45 this.schema = nodeSchema;
46 this.factory = factory;
47 this.bindingArg = new InstanceIdentifier.Item(bindingClass);
49 if (arg instanceof AugmentationIdentifier) {
50 this.namespace = Iterables.getFirst(((AugmentationIdentifier) arg).getPossibleChildNames(), null).getModule();
52 this.namespace = arg.getNodeType().getModule();
56 @SuppressWarnings({ "unchecked", "rawtypes" })
57 static <T extends DataSchemaNode> DataContainerCodecPrototype<T> from(final Class<?> cls, final T schema,
58 final CodecContextFactory factory) {
59 return new DataContainerCodecPrototype(cls, NodeIdentifier.create(schema.getQName()), schema, factory);
62 static DataContainerCodecPrototype<SchemaContext> rootPrototype(final CodecContextFactory factory) {
63 final SchemaContext schema = factory.getRuntimeContext().getSchemaContext();
64 final NodeIdentifier arg = NodeIdentifier.create(schema.getQName());
65 return new DataContainerCodecPrototype<SchemaContext>(DataRoot.class, arg, schema, factory);
69 @SuppressWarnings({ "rawtypes", "unchecked" })
70 static DataContainerCodecPrototype<?> from(final Class<?> augClass, final AugmentationIdentifier arg,
71 final AugmentationSchema schema, final CodecContextFactory factory) {
72 return new DataContainerCodecPrototype(augClass, arg, schema, factory);
75 static DataContainerCodecPrototype<NotificationDefinition> from(final Class<?> augClass, final NotificationDefinition schema, final CodecContextFactory factory) {
76 final PathArgument arg = NodeIdentifier.create(schema.getQName());
77 return new DataContainerCodecPrototype<NotificationDefinition>(augClass,arg, schema, factory);
80 protected T getSchema() {
84 protected QNameModule getNamespace() {
88 protected CodecContextFactory getFactory() {
92 protected Class<?> getBindingClass() {
96 protected InstanceIdentifier.Item<?> getBindingArg() {
100 protected YangInstanceIdentifier.PathArgument getYangArg() {
105 public DataContainerCodecContext<?,T> get() {
106 DataContainerCodecContext<?,T> tmp = instance;
108 synchronized (this) {
111 tmp = createInstance();
121 @SuppressWarnings({ "rawtypes", "unchecked" })
122 private DataContainerCodecContext<?,T> createInstance() {
123 // FIXME: make protected abstract
124 if (schema instanceof ContainerSchemaNode) {
125 return new ContainerNodeCodecContext(this);
126 } else if (schema instanceof ListSchemaNode) {
127 if (Identifiable.class.isAssignableFrom(getBindingClass())) {
128 return new KeyedListNodeCodecContext(this);
130 return new ListNodeCodecContext(this);
132 } else if (schema instanceof ChoiceSchemaNode) {
133 return new ChoiceNodeCodecContext(this);
134 } else if (schema instanceof AugmentationSchema) {
135 return new AugmentationNodeContext(this);
136 } else if (schema instanceof ChoiceCaseNode) {
137 return new CaseNodeCodecContext(this);
139 throw new IllegalArgumentException("Unsupported type " + bindingClass + " " + schema);
143 return schema instanceof ChoiceSchemaNode;