5:29 a.m.
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
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5:29 a.m.
New subject: [Hibernate-JIRA] Updated: (ANN-526) Property xyz has an unbound type - is that so?
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=all ]
Sebastian Kirsch updated ANN-526:
---------------------------------
Attachment: Hibernate ANN-526.zip
The Model and JUnit
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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5:02 p.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Emmanuel Bernard commented on ANN-526:
--------------------------------------
my understanding is that
T in AbstractGenerics is not resolved in your system.
Because T is a subtype of AbstractGenerics<U>, U not being resolved.
Am I wrong?
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
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5:02 p.m.
New subject: [Hibernate-JIRA] Assigned: (ANN-526) Property xyz has an unbound type - is that so?
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=all ]
Emmanuel Bernard reassigned ANN-526:
------------------------------------
Assign To: Paolo "Nusco" Perrotta
WDYT?
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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2:30 a.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Sebastian Kirsch commented on ANN-526:
--------------------------------------
T in AbstractGenerics is not resolved - this is correct.
But T has an upper bound: it must be a subclass of AbstractGenerics.
As I mentioned before, I'm not sure if this is sufficient data to build up the model,
but I hope it could be arranged to be enough.
So it may not be a bug but a feature request...
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
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2:39 a.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Paolo "Nusco" Perrotta commented on ANN-526:
--------------------------------------------
In general, upper bounds should be recognized (except for some special cases, such as
multiple upper bounds, where we just give up and approximate the type to Object). I'll
look into this.
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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8:20 a.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Emmanuel Bernard commented on ANN-526:
--------------------------------------
this case is an infinite multiple upper bound case, if you compute at the infinite limit
you should find the type ;-)
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
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4:13 a.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Paolo "Nusco" Perrotta commented on ANN-526:
--------------------------------------------
It's a broader problem than I thought. I'm still not 100% sure that fixing it will
change the behaviour described by Sebastian, but I found other cases that are more clearly
pathological. For example, this is not approximated correctly, even if in theory it
should:
class SomeGenericType<T extends SomeType> {
public T property() {return null;}
}
We don't even have recursive definitions here, but HA still doesn't notice that
the property type can be approximated to a SomeType. The problem is that I focused on
resolving generic types in hierarchies - but there are cases (like the one above) where
you can make a decent approximation of types by just looking at the class itself. It's
not really a bug, as this is on the border of what people should be expecting to do - but
as a feature request, it's very reasonable. What do you think, Emmanuel?
We have many corner cases where type binding doesn't work as well as Java's -
generics in interfaces, inner classes and so on. Java makes extremely difficult to work
reflexively at this level. This one probably deserves fixing, though.
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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11:44 a.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Paolo "Nusco" Perrotta commented on ANN-526:
--------------------------------------------
After some thought, this is a slippery slope. If we accept this:
class SomeGenericType<T extends SomeType> {
public T property() {return null;}
}
Then there is no reason why we shouldn't accept this implicit upper bound as well:
class SomeOtherGenericType<T> {
public T property() {return null;} // T is approximated to Object
}
The problem is how much we want to push this type of guessing. I see four options:
1 - The system tries to be smart and approximates all generic types as well as it can.
List<T extends Runnable> becomes List<Runnable>, T becomes Object and so on.
This might cause problems at runtime, of course.
2 - The system does as above, but logs a warning every time an approximated type is
registered.
3 - The system approximates only in certain situations. Maybe different approximation
strategies can be plugged in.
4 - The system doesn't try to be too smart, and throws an error whenever a type is not
fully resolved.
Emmanuel, WDYT?
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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3:36 p.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Property xyz has an unbound type - is that so?
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Emmanuel Bernard commented on ANN-526:
--------------------------------------
1 - The system tries to be smart and approximates all generic types as well as it can.
List<T extends Runnable> becomes List<Runnable>, T becomes Object and so on.
This might cause problems at runtime, of course.
I'm OK for everything but Object, if you declare an upper bound,
you tend to know what you are doing. However, for Object people would be too surprised,
esp the one not understqnding generics ( like me :-) )
2 - The system does as above, but logs a warning every time an approximated type is
registered.
-1, we had that but the user experience was bad for Hibernate Validator
3 - The system approximates only in certain situations. Maybe different approximation
strategies can be plugged in.
An approximation strategy might be interesting, we sort of have that through the boolean
rendering true/false depending on whether approximation was used or not
4 - The system doesn't try to be too smart, and throws an error whenever a type is not
fully resolved.
-1 there are usecases that require approximation
Property xyz has an unbound type - is that so?
----------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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3:41 p.m.
New subject: [Hibernate-JIRA] Updated: (ANN-526) Type aproximation and unbound type limitation
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=all ]
Emmanuel Bernard updated ANN-526:
---------------------------------
Summary: Type aproximation and unbound type limitation (was: Property xyz has an
unbound type - is that so?)
Type aproximation and unbound type limitation
---------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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5:19 p.m.
New subject: [Hibernate-JIRA] Updated: (ANN-526) Type aproximation and unbound type limitation
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=all ]
Sebastian Kirsch updated ANN-526:
---------------------------------
Attachment: Hibernate-ANN-526_SecondCase.zip
Hi Paolo!
I stumbled upon another issue - see second zip file.
I'm not sure if it has the same cause like the other stuff, but it is at least
related. Please check the provided TestCase...
Type aproximation and unbound type limitation
---------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip, Hibernate-ANN-526_SecondCase.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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5:38 p.m.
New subject: [Hibernate-JIRA] Commented: (ANN-526) Type aproximation and unbound type limitation
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Paolo "Nusco" Perrotta commented on ANN-526:
--------------------------------------------
To Sebastian: whoops, I think you posted the .class files instead of the source. :)
Type aproximation and unbound type limitation
---------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip, Hibernate-ANN-526_SecondCase.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
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2:09 a.m.
New subject: [Hibernate-JIRA] Updated: (ANN-526) Type aproximation and unbound type limitation
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=all ]
Sebastian Kirsch updated ANN-526:
---------------------------------
Attachment: Hibernate-ANN-526_SecondCase.zip
Should have made me wonder when I had to rename the .jar to .zip...
Type aproximation and unbound type limitation
---------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Type: Bug
Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip, Hibernate-ANN-526_SecondCase.zip,
Hibernate-ANN-526_SecondCase.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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11:44 p.m.
New subject: [Hibernate-JIRA] Updated: (ANN-526) Type aproximation and unbound type limitation
[
http://opensource.atlassian.com/projects/hibernate/browse/ANN-526?page=co...
]
Diego Pires Plentz updated ANN-526:
-----------------------------------
Component/s: binder
Type aproximation and unbound type limitation
---------------------------------------------
Key: ANN-526
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-526
Project: Hibernate Annotations
Issue Type: Bug
Components: binder
Affects Versions: 3.2.1
Reporter: Sebastian Kirsch
Assignee: Paolo "Nusco" Perrotta
Priority: Minor
Attachments: Hibernate ANN-526.zip, Hibernate-ANN-526_SecondCase.zip,
Hibernate-ANN-526_SecondCase.zip
I get this "Property reference has an unbound type and no explictit target
entity" exception and I think this is not exactly true. I'm not sure if this is a
bug or a feature requests though.
Have a look at the attached files and read on.
I guess the model ist pretty easy to understand. The AbstractGeneric allows my to have
concrete entities referring to specifc other subclasses - as seen in ConcreteOther and
ConcreteSelf. The test case "workingClasses" shows us that Hibernate may work
with this model - note that the class AbstractGeneric itslef was NOT added to the
configuration.
Now for the problem: The class OtherEntity is a completly different entity, but it refers
to instances of AbstractGeneric - to any subclass of it actually, as AbstractGeneric is
obviously abstract.
If you run the test case "otherClass" the first part states that Hibernate
doesn't know AbstractGeneric - which is fine, so I add that class to the configuration
and try to build a session factory again. Now we receive the beforementioned exception.
That's the situation. So is AbstractGeneric really an unbound type? I'd say it is
not - T has an upper bound which should be good enough to work with - we know the table
and the PK...
--
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hibernate-issues@lists.jboss.org
14 comments
4 participants
participants (4)
-
Diego Pires Plentz (JIRA) -
Emmanuel Bernard (JIRA)
-
Paolo "Nusco" Perrotta (JIRA)
-
Sebastian Kirsch (JIRA)