Examples with State org.qi4j.api.injection.scope.State used on opensource projects

Example 1 with State

use of org.qi4j.api.injection.scope.State in project qi4j-sdk by Qi4j.

the class StateInjectionProviderFactory method newInjectionProvider.

@Override
public InjectionProvider newInjectionProvider(Resolution resolution, DependencyModel dependencyModel) throws InvalidInjectionException {
    if (StateHolder.class.isAssignableFrom(dependencyModel.rawInjectionType())) {
        // @State StateHolder properties;
        return new StateInjectionProvider();
    } else if (UnitOfWork.class.isAssignableFrom(dependencyModel.rawInjectionType())) {
        if (!(resolution.model() instanceof EntityDescriptor)) {
            throw new InvalidInjectionException("Only EntityComposites can be injected with '@State UnitOfWork'");
        }
        return new UnitOfWorkInjectionProvider();
    } else if (Property.class.isAssignableFrom(dependencyModel.rawInjectionType())) {
        // @State Property<String> name;
        StateDescriptor descriptor;
        descriptor = ((StatefulCompositeDescriptor) resolution.model()).state();
        State annotation = (State) dependencyModel.injectionAnnotation();
        String name;
        if (annotation.value().equals("")) {
            name = resolution.field().getName();
        } else {
            name = annotation.value();
        }
        PropertyDescriptor propertyDescriptor = descriptor.findPropertyModelByName(name);
        // Check if property exists
        if (propertyDescriptor == null) {
            return null;
        }
        return new PropertyInjectionProvider(propertyDescriptor);
    } else if (Association.class.isAssignableFrom(dependencyModel.rawInjectionType())) {
        // @State Association<MyEntity> name;
        AssociationStateDescriptor descriptor = ((EntityDescriptor) resolution.model()).state();
        State annotation = (State) dependencyModel.injectionAnnotation();
        String name;
        if (annotation.value().equals("")) {
            name = resolution.field().getName();
        } else {
            name = annotation.value();
        }
        AssociationDescriptor model = descriptor.getAssociationByName(name);
        // No such association found
        if (model == null) {
            return null;
        }
        return new AssociationInjectionProvider(model);
    } else if (ManyAssociation.class.isAssignableFrom(dependencyModel.rawInjectionType())) {
        // @State ManyAssociation<MyEntity> name;
        AssociationStateDescriptor descriptor = ((EntityDescriptor) resolution.model()).state();
        State annotation = (State) dependencyModel.injectionAnnotation();
        String name;
        if (annotation.value().equals("")) {
            name = resolution.field().getName();
        } else {
            name = annotation.value();
        }
        AssociationDescriptor model = descriptor.getManyAssociationByName(name);
        // No such association found
        if (model == null) {
            return null;
        }
        return new ManyAssociationInjectionProvider(model);
    }
    throw new InjectionProviderException("Injected value has invalid type");
}