Static referencing for @JoinValidation
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Key: EXTVAL-59
URL: https://issues.apache.org/jira/browse/EXTVAL-59
Project: MyFaces Extensions Validator
Issue Type: Improvement
Components: Core, Property Validation
Affects Versions: 1.2.3-SNAPSHOT, 2.0.3-SNAPSHOT, 1.1.3-SNAPSHOT
Reporter: Bart Kummel
Priority: Minor
Currently, three options exist to refer to another property to inherit the
validation from:
- local property (e.g. @JoinValidation("lastName")
- property chain (e.g. @JoinValidation("person.lastName")
- Expression Language (EL) (e.g. @JoinValidation("#{personBean.lastName}")
Consider the following situation: we have a Manager class that only has a List
of Person objects. Suppose the Manager has a lastName property and we want that
property to inherit the validation of the lastName property from the Person
class. We cannot property chain in this case. EL might be possible, but only if
we know there is a Person object we can use for that in the View layer. Even if
this is going to work, it isn't good, because we have to have detailed
knowledge of our View layer within our Model, something we don't want.
It would be nice if we could just write:
@JoinValidation("com.pany.package.Person.lastName"). In this case we sort of
statically refer to the Person class by its fully classified name.
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