binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/DataObjectCodecPrototype.java

   1 /*
   2  * Copyright (c) 2023 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.mdsal.binding.dom.codec.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import org.eclipse.jdt.annotation.NonNull;
  13 import org.opendaylight.mdsal.binding.runtime.api.ChoiceRuntimeType;
  14 import org.opendaylight.mdsal.binding.runtime.api.ContainerLikeRuntimeType;
  15 import org.opendaylight.mdsal.binding.runtime.api.ContainerRuntimeType;
  16 import org.opendaylight.mdsal.binding.runtime.api.ListRuntimeType;
  17 import org.opendaylight.mdsal.binding.runtime.api.RuntimeTypeContainer;
  18 import org.opendaylight.yangtools.yang.binding.DataObject;
  19 import org.opendaylight.yangtools.yang.binding.Identifiable;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
  21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.PresenceEffectiveStatement;
  23
  24 // FIXME: abstract and sealed
  25 non-sealed class DataObjectCodecPrototype<T extends RuntimeTypeContainer> extends DataContainerCodecPrototype<T> {
  26     private final @NonNull NodeIdentifier yangArg;
  27
  28     @SuppressWarnings("unchecked")
  29     DataObjectCodecPrototype(final Class<?> cls, final NodeIdentifier yangArg, final T type,
  30             final CodecContextFactory factory) {
  31         this(Item.of((Class<? extends DataObject>) cls), yangArg, type, factory);
  32     }
  33
  34     DataObjectCodecPrototype(final Item<?> bindingArg, final NodeIdentifier yangArg, final T type,
  35             final CodecContextFactory factory) {
  36         super(bindingArg, yangArg.getNodeType().getModule(), type, factory);
  37         this.yangArg = requireNonNull(yangArg);
  38     }
  39
  40     @Override
  41     final NodeIdentifier getYangArg() {
  42         return yangArg;
  43     }
  44
  45     @Override
  46     @SuppressWarnings({ "rawtypes", "unchecked" })
  47     DataContainerCodecContext<?, T> createInstance() {
  48         final var type = getType();
  49         if (type instanceof ContainerLikeRuntimeType containerLike) {
  50             if (containerLike instanceof ContainerRuntimeType container
  51                 && container.statement().findFirstEffectiveSubstatement(PresenceEffectiveStatement.class)
  52                     .isEmpty()) {
  53                 return new NonPresenceContainerNodeCodecContext(this);
  54             }
  55             return new ContainerNodeCodecContext(this);
  56         } else if (type instanceof ListRuntimeType) {
  57             return Identifiable.class.isAssignableFrom(getBindingClass())
  58                     ? KeyedListNodeCodecContext.create((DataContainerCodecPrototype<ListRuntimeType>) this)
  59                             : new ListNodeCodecContext(this);
  60         } else if (type instanceof ChoiceRuntimeType) {
  61             return new ChoiceNodeCodecContext(this);
  62         }
  63         throw new IllegalArgumentException("Unsupported type " + getBindingClass() + " " + type);
  64     }
  65 }