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Example 1 with EnumClassDefinition

use of org.drools.core.factmodel.EnumClassDefinition in project drools by kiegroup.

the class ClassDefinitionFactory method createClassDefinition.

protected ClassDefinition createClassDefinition(AbstractClassTypeDeclarationDescr typeDescr, TypeDeclaration type) {
    // extracts type, supertype and interfaces
    String fullName = typeDescr.getType().getFullName();
    if (type.getKind().equals(TypeDeclaration.Kind.CLASS)) {
        TypeDeclarationDescr tdescr = (TypeDeclarationDescr) typeDescr;
        if (tdescr.getSuperTypes().size() > 1) {
            kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "Declared class " + fullName + "  - has more than one supertype;"));
            return null;
        } else if (tdescr.getSuperTypes().isEmpty()) {
            tdescr.addSuperType("java.lang.Object");
        }
    }
    Traitable traitableAnn = typeDescr.getTypedAnnotation(Traitable.class);
    boolean traitable = traitableAnn != null;
    String[] fullSuperTypes = new String[typeDescr.getSuperTypes().size() + 1];
    int j = 0;
    for (QualifiedName qname : typeDescr.getSuperTypes()) {
        fullSuperTypes[j++] = qname.getFullName();
    }
    fullSuperTypes[j] = Thing.class.getName();
    List<String> interfaceList = new ArrayList<String>();
    interfaceList.add(traitable ? Externalizable.class.getName() : Serializable.class.getName());
    if (traitable) {
        interfaceList.add(TraitableBean.class.getName());
    }
    String[] interfaces = interfaceList.toArray(new String[interfaceList.size()]);
    // prepares a class definition
    ClassDefinition def;
    switch(type.getKind()) {
        case TRAIT:
            def = new ClassDefinition(fullName, Object.class.getName(), fullSuperTypes);
            break;
        case ENUM:
            def = new EnumClassDefinition(fullName, fullSuperTypes[0], null);
            break;
        case CLASS:
        default:
            def = new ClassDefinition(fullName, fullSuperTypes[0], interfaces);
            def.setTraitable(traitable, traitableAnn != null && traitableAnn.logical());
    }
    return def;
}
Also used : AbstractClassTypeDeclarationDescr(org.drools.compiler.lang.descr.AbstractClassTypeDeclarationDescr) TypeDeclarationDescr(org.drools.compiler.lang.descr.TypeDeclarationDescr) QualifiedName(org.drools.compiler.lang.descr.QualifiedName) ArrayList(java.util.ArrayList) TraitableBean(org.drools.core.factmodel.traits.TraitableBean) EnumClassDefinition(org.drools.core.factmodel.EnumClassDefinition) ClassDefinition(org.drools.core.factmodel.ClassDefinition) EnumClassDefinition(org.drools.core.factmodel.EnumClassDefinition) TypeDeclarationError(org.drools.compiler.compiler.TypeDeclarationError) Traitable(org.drools.core.factmodel.traits.Traitable) Thing(org.drools.core.factmodel.traits.Thing)

Aggregations

ArrayList (java.util.ArrayList)1 TypeDeclarationError (org.drools.compiler.compiler.TypeDeclarationError)1 AbstractClassTypeDeclarationDescr (org.drools.compiler.lang.descr.AbstractClassTypeDeclarationDescr)1 QualifiedName (org.drools.compiler.lang.descr.QualifiedName)1 TypeDeclarationDescr (org.drools.compiler.lang.descr.TypeDeclarationDescr)1 ClassDefinition (org.drools.core.factmodel.ClassDefinition)1 EnumClassDefinition (org.drools.core.factmodel.EnumClassDefinition)1 Thing (org.drools.core.factmodel.traits.Thing)1 Traitable (org.drools.core.factmodel.traits.Traitable)1 TraitableBean (org.drools.core.factmodel.traits.TraitableBean)1