Examples with IEntityRegistryProvider org.whole.lang.factories.IEntityRegistryProvider used on opensource projects

Example 1 with IEntityRegistryProvider

use of org.whole.lang.factories.IEntityRegistryProvider in project whole by wholeplatform.

the class WorkflowsInterpreterVisitor method visit.

@Override
public void visit(CreateEntity entity) {
    try {
        entity.getEntityName().accept(this);
        String typeName = getResultString();
        EntityDescriptor<?> ed = CommonsDataTypePersistenceParser.parseEntityDescriptor(typeName);
        if (ed == null)
            throw new WholeIllegalArgumentException("The requested entity does not exist: " + typeName).withSourceEntity(entity).withBindings(getBindings());
        IEntityRegistryProvider provider = null;
        switch(entity.getRegistry().getValue().getOrdinal()) {
            case RegistryEnum.DEFAULT_ord:
                provider = RegistryConfigurations.DEFAULT;
                break;
            case RegistryEnum.RESOLVER_ord:
                provider = RegistryConfigurations.RESOLVER;
                break;
            case RegistryEnum.ADAPTER_ord:
                provider = RegistryConfigurations.ADAPTER;
                break;
            case RegistryEnum.STRICT_ord:
                provider = RegistryConfigurations.STRICT;
                break;
            case RegistryEnum.CUSTOM_ord:
                provider = RegistryConfigurations.CUSTOM;
                break;
        }
        IEntityFactory ef = GenericEntityFactory.instance(provider);
        IEntity model;
        Arguments arguments = entity.getArguments();
        if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Assignments, arguments)) {
            ITransactionScope resettableScope = BindingManagerFactory.instance.createTransactionScope();
            getBindings().wEnterScope(resettableScope);
            arguments.accept(this);
            for (int i = 0; i < arguments.wSize(); i++) {
                String name = ((Assignments) arguments).get(i).getName().getValue();
                FeatureDescriptor fd = ed.getFeatureDescriptorEnum().valueOf(name);
                if (fd != null)
                    getBindings().wDef(name, EntityUtils.convertCloneIfReparenting(getBindings().wGet(name), ed.getEntityFeatureDescriptor(fd)));
            }
            model = ef.create(ed, getBindings());
            resettableScope.rollback();
            getBindings().wExitScope();
        } else if (Matcher.matchImpl(WorkflowsEntityDescriptorEnum.Expressions, arguments)) {
            IEntity selfEntity = getBindings().wGet("self");
            if (ed.getEntityKind().isData()) {
                ((Expressions) arguments).get(0).accept(this);
                model = DataTypeUtils.convertCloneIfParented(getResult(), ed);
                resetSelfEntity(selfEntity);
            } else {
                IEntity[] values = new IEntity[arguments.wSize()];
                for (int i = 0; i < values.length; i++) {
                    ((Expressions) arguments).get(i).accept(this);
                    values[i] = EntityUtils.convertCloneIfReparenting(getResult(), ed.getEntityFeatureDescriptor(i));
                    resetSelfEntity(selfEntity);
                }
                model = ef.create(ed, values);
            }
        } else
            model = ef.create(ed);
        setResult(entity.getModel(), model);
    } catch (Exception e) {
        throw IWholeRuntimeException.asWholeException(e, entity, getBindings());
    }
}