import com.haulmont.chile.core.annotations.Composition; //导入依赖的package包/类
protected void assignPropertyType(AnnotatedElement field, MetaProperty property, Range range) {
    if (range.isClass()) {
        Composition composition = field.getAnnotation(Composition.class);
        if (composition != null) {
            ((MetaPropertyImpl) property).setType(MetaProperty.Type.COMPOSITION);
        } else {
            ((MetaPropertyImpl) property).setType(MetaProperty.Type.ASSOCIATION);
        }
    } else if (range.isDatatype()) {
        ((MetaPropertyImpl) property).setType(MetaProperty.Type.DATATYPE);
    } else if (range.isEnum()) {
        ((MetaPropertyImpl) property).setType(MetaProperty.Type.ENUM);
    } else {
        throw new UnsupportedOperationException();
    }
}