org.ofbiz.entity.util.EntityUtil has several methods useful for manipulating data returned from an Entity Engine call. This data, referred to as the "result set", is either a single
GenericValue object, a Java list containing one or more
GenericValue objects, or a null.
EntityUtil works with result sets already in memory. This means that you should use caution when manipulating data in this way as you may run out of memory and/or degrade performance in short order. If you have a choice, it is almost always better to let the Entity Engine and database perform data filtering, ordering, and sorting (by way of conditional
GenericDelegator find parameters) before bringing a result set into memory.
In this section, we take ...