Sometimes, when you need only the reference to an existing record, you will want service callers
to pass in PK (primary key) fields. PK fields are combined to form the "key" to look up a
particular record. Non-PK fields form the "data" for the record.
Other times, when you need to update an existing record or to create a new record, you will
obviously need more than PK fields. You'll need non-PK fields.
Jonathon
sqlien wrote:
Thank you for your replies.
other question : why we distinguishe these two attributes include="nonpk"
and include="pk"; in the implementation of a service i never found this
distinction when manipulating IN parameters.
jonwimp wrote:
Not sure if <attribute> overrides an <auto-attributes>. There's
<override>.
In <auto-attributes>, there's also <exclude>, so you can selectively
exclude some attributes in
the entity specified in <auto-attributes entity-name="SomeEntity">.
Usually, you'll use <override> to override the "optional" attribute of an
attribute. For eg,
<auto-attributes entity-name="SomeEntity" include="pk"
optional="false"/>
<override name="somePkInSomeEntity" optional="true"/>
I skipped several attributes in the above eg.
Jonathon
Amine AZZI wrote:
it's a shortcut, instead of declaring each attribute apart, you can use
this
tag to generate all attributes with default values taken from the entity
model definition of the used entity.
Of course, you can override this declaration by declaring an existing
attribute.
Regards.
Amine.
2007/10/3, sqlien <[EMAIL PROTECTED]>:
hi,
Can anyone tell me what mean these two lines in services.xml files
<auto-attributes mode="IN" include="pk" optional="false"/>
<auto-attributes mode="IN" include="nonpk" optional="true"/>
why we use them ?
thanks
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