Examples with Parameter org.springframework.data.mapping.Parameter used on opensource projects

Example 1 with Parameter

use of org.springframework.data.mapping.Parameter in project spring-data-commons by spring-projects.

the class DtoInstantiatingConverter method convert.

/*
	 * (non-Javadoc)
	 * @see org.springframework.core.convert.converter.Converter#convert(java.lang.Object)
	 */
@NonNull
@Override
public Object convert(Object source) {
    if (targetType.isInterface()) {
        return source;
    }
    PersistentEntity<?, ? extends PersistentProperty<?>> sourceEntity = context.getRequiredPersistentEntity(source.getClass());
    PersistentPropertyAccessor<Object> sourceAccessor = sourceEntity.getPropertyAccessor(source);
    PersistentEntity<?, ? extends PersistentProperty<?>> targetEntity = context.getRequiredPersistentEntity(targetType);
    @SuppressWarnings({ "rawtypes", "unchecked" }) Object dto = instantiator.createInstance(targetEntity, new ParameterValueProvider() {

        @Override
        @Nullable
        public Object getParameterValue(Parameter parameter) {
            String name = parameter.getName();
            if (name == null) {
                throw new IllegalArgumentException(String.format("Parameter %s does not have a name", parameter));
            }
            return sourceAccessor.getProperty(sourceEntity.getRequiredPersistentProperty(name));
        }
    });
    PersistentPropertyAccessor<Object> targetAccessor = targetEntity.getPropertyAccessor(dto);
    InstanceCreatorMetadata<? extends PersistentProperty<?>> creator = targetEntity.getInstanceCreatorMetadata();
    targetEntity.doWithProperties((SimplePropertyHandler) property -> {
        if ((creator != null) && creator.isCreatorParameter(property)) {
            return;
        }
        targetAccessor.setProperty(property, sourceAccessor.getProperty(sourceEntity.getRequiredPersistentProperty(property.getName())));
    });
    return dto;
}

Example 2 with Parameter

use of org.springframework.data.mapping.Parameter in project spring-data-commons by spring-projects.

the class InstanceCreatorMetadataDiscoverer method getFactoryMethod.

@SuppressWarnings({ "unchecked", "rawtypes" })
private static <T, P extends PersistentProperty<P>> FactoryMethod<Object, P> getFactoryMethod(PersistentEntity<T, P> entity, Method method) {
    Parameter<Object, P>[] parameters = new Parameter[method.getParameterCount()];
    Annotation[][] parameterAnnotations = method.getParameterAnnotations();
    List<TypeInformation<?>> types = entity.getTypeInformation().getParameterTypes(method);
    String[] parameterNames = PARAMETER_NAME_DISCOVERER.getParameterNames(method);
    for (int i = 0; i < parameters.length; i++) {
        String name = parameterNames == null || parameterNames.length <= i ? null : parameterNames[i];
        TypeInformation<?> type = types.get(i);
        Annotation[] annotations = parameterAnnotations[i];
        parameters[i] = new Parameter(name, type, annotations, entity);
    }
    return new FactoryMethod<>(method, parameters);
}