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.dom.codec.impl.NodeCodecContext.CodecContextFactory;
  14 import org.opendaylight.mdsal.binding.runtime.api.CaseRuntimeType;
  15 import org.opendaylight.mdsal.binding.runtime.api.ChoiceRuntimeType;
  16 import org.opendaylight.mdsal.binding.runtime.api.ContainerLikeRuntimeType;
  17 import org.opendaylight.mdsal.binding.runtime.api.ContainerRuntimeType;
  18 import org.opendaylight.mdsal.binding.runtime.api.ListRuntimeType;
  19 import org.opendaylight.mdsal.binding.runtime.api.RuntimeTypeContainer;
  20 import org.opendaylight.yangtools.yang.binding.DataObject;
  21 import org.opendaylight.yangtools.yang.binding.Identifiable;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.PresenceEffectiveStatement;
  25
  26 // FIXME: abstract and sealed
  27 non-sealed class DataObjectCodecPrototype<T extends RuntimeTypeContainer> extends DataContainerCodecPrototype<T> {
  28     private final @NonNull NodeIdentifier yangArg;
  29
  30     @SuppressWarnings("unchecked")
  31     DataObjectCodecPrototype(final Class<?> cls, final NodeIdentifier yangArg, final T type,
  32             final CodecContextFactory factory) {
  33         this(Item.of((Class<? extends DataObject>) cls), yangArg, type, factory);
  34     }
  35
  36     DataObjectCodecPrototype(final Item<?> bindingArg, final NodeIdentifier yangArg, final T type,
  37             final CodecContextFactory factory) {
  38         super(bindingArg, yangArg.getNodeType().getModule(), type, factory);
  39         this.yangArg = requireNonNull(yangArg);
  40     }
  41
  42     @Override
  43     final NodeIdentifier getYangArg() {
  44         return yangArg;
  45     }
  46
  47     @Override
  48     @SuppressWarnings({ "rawtypes", "unchecked" })
  49     DataContainerCodecContext<?, T> createInstance() {
  50         final var type = getType();
  51         if (type instanceof ContainerLikeRuntimeType containerLike) {
  52             if (containerLike instanceof ContainerRuntimeType container
  53                 && container.statement().findFirstEffectiveSubstatement(PresenceEffectiveStatement.class)
  54                     .isEmpty()) {
  55                 return new NonPresenceContainerNodeCodecContext(this);
  56             }
  57             return new ContainerNodeCodecContext(this);
  58         } else if (type instanceof ListRuntimeType) {
  59             return Identifiable.class.isAssignableFrom(getBindingClass())
  60                     ? KeyedListNodeCodecContext.create((DataContainerCodecPrototype<ListRuntimeType>) this)
  61                             : new ListNodeCodecContext(this);
  62         } else if (type instanceof ChoiceRuntimeType) {
  63             return new ChoiceNodeCodecContext(this);
  64         } else if (type instanceof CaseRuntimeType) {
  65             return new CaseNodeCodecContext(this);
  66         }
  67         throw new IllegalArgumentException("Unsupported type " + getBindingClass() + " " + type);
  68     }
  69 }