Some comments on groups
On Fri, 20 Feb 2009 15:40:21 +0100, Emmanuel Bernard
<emman...@hibernate.org> wrote:
To implement such ordering, a group can be defined as a sequence of
other groups. Each group in a group sequence must be processed
sequentially in the order defined b...@groupsequence.value when the
group defined as a sequence is requested. Note that a group member of
a sequence can itself be composed of several groups via inheritance or
sequence definition. In this case, each composed group must respect
the sequence order as well.
An example would be good here. Showing the exact execution order in the
case of
group sequence containing say three groups whereof say two have
superinterfaces.
Groups defining a sequence and groups composing a sequence must not be
involved in a cyclic dependency either directly or indirectly, either
through cascaded sequence definition or group inheritance.
Groups defining a sequence should not directly inherit other groups.
In other words, the interface hosting the group sequence should not
have any super interface.
Groups defining a sequence should not be used directly in constraint
declarations. In other words, the interface hosting the group sequence
should not be used in a constraint declaration.
What does "must not" and "should not" mean in these paragraphs? Should a
ValidationException be thrown? Is it up to the provider?
--Hardy
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