binding/mdsal-binding-generator/src/main/java/org/opendaylight/mdsal/binding/generator/impl/reactor/IdentityGenerator.java

   1 /*
   2  * Copyright (c) 2021 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.generator.impl.reactor;
   9
  10 import static org.opendaylight.mdsal.binding.model.ri.BindingTypes.BASE_IDENTITY;
  11
  12 import java.util.List;
  13 import java.util.stream.Collectors;
  14 import org.opendaylight.mdsal.binding.generator.impl.rt.DefaultIdentityRuntimeType;
  15 import org.opendaylight.mdsal.binding.model.api.GeneratedType;
  16 import org.opendaylight.mdsal.binding.model.api.Type;
  17 import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedTypeBuilderBase;
  18 import org.opendaylight.mdsal.binding.runtime.api.IdentityRuntimeType;
  19 import org.opendaylight.yangtools.yang.binding.BaseIdentity;
  20 import org.opendaylight.yangtools.yang.binding.contract.Naming;
  21 import org.opendaylight.yangtools.yang.binding.contract.StatementNamespace;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityEffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
  25
  26 /**
  27  * Generator corresponding to a {@code identity} statement.
  28  */
  29 public final class IdentityGenerator
  30         extends AbstractDependentGenerator<IdentityEffectiveStatement, IdentityRuntimeType> {
  31     private List<IdentityGenerator> baseIdentities = null;
  32
  33     IdentityGenerator(final IdentityEffectiveStatement statement, final AbstractCompositeGenerator<?, ?> parent) {
  34         super(statement, parent);
  35     }
  36
  37     @Override
  38     StatementNamespace namespace() {
  39         return StatementNamespace.IDENTITY;
  40     }
  41
  42     @Override
  43     void pushToInference(final SchemaInferenceStack dataTree) {
  44         throw new UnsupportedOperationException("Cannot push " + statement() + " to data tree");
  45     }
  46
  47     @Override
  48     void linkDependencies(final GeneratorContext context) {
  49         baseIdentities = statement().streamEffectiveSubstatements(BaseEffectiveStatement.class)
  50             .map(BaseEffectiveStatement::argument)
  51             .map(context::resolveIdentity)
  52             .collect(Collectors.toUnmodifiableList());
  53     }
  54
  55     @Override
  56     GeneratedType createTypeImpl(final TypeBuilderFactory builderFactory) {
  57         final var builder = builderFactory.newGeneratedTypeBuilder(typeName());
  58         if (!baseIdentities.isEmpty()) {
  59             for (var baseIdentity : baseIdentities) {
  60                 builder.addImplementsType(baseIdentity.getGeneratedType(builderFactory));
  61             }
  62         } else {
  63             builder.addImplementsType(BASE_IDENTITY);
  64         }
  65
  66         annotateDeprecatedIfNecessary(statement(), builder);
  67
  68         narrowImplementedInterface(builder);
  69
  70         final var module = currentModule();
  71         module.addQNameConstant(builder, localName());
  72
  73         // Constant implementation
  74         builder.addConstant(Type.of(builder), Naming.VALUE_STATIC_FIELD_NAME, BaseIdentity.class);
  75
  76         builderFactory.addCodegenInformation(module, statement(), builder);
  77         builder.setModuleName(module.statement().argument().getLocalName());
  78 //        builder.setSchemaPath(identity.getPath());
  79
  80         return builder.build();
  81     }
  82
  83     @Override
  84     IdentityRuntimeType createExternalRuntimeType(final Type type) {
  85         return new DefaultIdentityRuntimeType(verifyGeneratedType(type), statement());
  86     }
  87
  88     @Override
  89     IdentityRuntimeType createInternalRuntimeType(final AugmentResolver resolver,
  90             final IdentityEffectiveStatement statement, final Type type) {
  91         // 'identity' statements are not part of schema tree and hence should never an internal reference
  92         throw new UnsupportedOperationException("Should never be called");
  93     }
  94
  95     @Override
  96     void addAsGetterMethod(final GeneratedTypeBuilderBase<?> builder, final TypeBuilderFactory builderFactory) {
  97         // identities are a separate concept
  98     }
  99 }