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 com.google.common.base.Verify.verify;
  11 import static org.opendaylight.mdsal.binding.model.ri.BindingTypes.BASE_IDENTITY;
  12
  13 import java.util.List;
  14 import java.util.stream.Collectors;
  15 import org.opendaylight.mdsal.binding.generator.impl.rt.DefaultIdentityRuntimeType;
  16 import org.opendaylight.mdsal.binding.model.api.GeneratedType;
  17 import org.opendaylight.mdsal.binding.model.api.Type;
  18 import org.opendaylight.mdsal.binding.model.api.type.builder.GeneratedTypeBuilderBase;
  19 import org.opendaylight.mdsal.binding.runtime.api.IdentityRuntimeType;
  20 import org.opendaylight.yangtools.yang.binding.BaseIdentity;
  21 import org.opendaylight.yangtools.yang.binding.contract.Naming;
  22 import org.opendaylight.yangtools.yang.binding.contract.StatementNamespace;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
  26
  27 /**
  28  * Generator corresponding to a {@code identity} statement.
  29  */
  30 public final class IdentityGenerator
  31         extends AbstractDependentGenerator<IdentityEffectiveStatement, IdentityRuntimeType> {
  32     private List<IdentityGenerator> baseIdentities = null;
  33
  34     IdentityGenerator(final IdentityEffectiveStatement statement, final AbstractCompositeGenerator<?, ?> parent) {
  35         super(statement, parent);
  36     }
  37
  38     @Override
  39     StatementNamespace namespace() {
  40         return StatementNamespace.IDENTITY;
  41     }
  42
  43     @Override
  44     void pushToInference(final SchemaInferenceStack dataTree) {
  45         throw new UnsupportedOperationException("Cannot push " + statement() + " to data tree");
  46     }
  47
  48     @Override
  49     void linkDependencies(final GeneratorContext context) {
  50         baseIdentities = statement().streamEffectiveSubstatements(BaseEffectiveStatement.class)
  51             .map(BaseEffectiveStatement::argument)
  52             .map(context::resolveIdentity)
  53             .collect(Collectors.toUnmodifiableList());
  54     }
  55
  56     @Override
  57     GeneratedType createTypeImpl(final TypeBuilderFactory builderFactory) {
  58         final var builder = builderFactory.newGeneratedTypeBuilder(typeName());
  59         if (!baseIdentities.isEmpty()) {
  60             for (var baseIdentity : baseIdentities) {
  61                 builder.addImplementsType(baseIdentity.getGeneratedType(builderFactory));
  62             }
  63         } else {
  64             builder.addImplementsType(BASE_IDENTITY);
  65         }
  66
  67         annotateDeprecatedIfNecessary(statement(), builder);
  68
  69         narrowImplementedInterface(builder);
  70
  71         final ModuleGenerator module = currentModule();
  72         module.addQNameConstant(builder, localName());
  73
  74         // Constant implementation
  75         builder.addConstant(Type.of(builder), Naming.VALUE_STATIC_FIELD_NAME, BaseIdentity.class);
  76
  77         builderFactory.addCodegenInformation(module, statement(), builder);
  78         builder.setModuleName(module.statement().argument().getLocalName());
  79 //        builder.setSchemaPath(identity.getPath());
  80
  81         return builder.build();
  82     }
  83
  84     @Override
  85     IdentityRuntimeType createExternalRuntimeType(final Type type) {
  86         verify(type instanceof GeneratedType, "Unexpected type %s", type);
  87         return new DefaultIdentityRuntimeType((GeneratedType) type, statement());
  88     }
  89
  90     @Override
  91     IdentityRuntimeType createInternalRuntimeType(final AugmentResolver resolver,
  92             final IdentityEffectiveStatement statement, final Type type) {
  93         // 'identity' statements are not part of schema tree and hence should never an internal reference
  94         throw new UnsupportedOperationException("Should never be called");
  95     }
  96
  97     @Override
  98     void addAsGetterMethod(final GeneratedTypeBuilderBase<?> builder, final TypeBuilderFactory builderFactory) {
  99         // identities are a separate concept
 100     }
 101 }