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Posted to users@isis.apache.org by Jan-Willem Gmelig Meyling <ja...@youngmediaexperts.nl> on 2016/05/29 11:55:30 UTC
Action that takes an enum set?
Hey all,
I've been wondering how I could nicely implement a collection of Enums
as input for an Action. The values do not come from an persisted entity,
as it would be part of as I imagine it to be a request POJO.
I know that HTTP headers allow a path parameter to be defined multiple
times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
would use the Enum to String serialization and end up with something
similar to : { "foo" : [ "BAR", "BAZ"] }
I currently transformed my options to booleans so that they become
visible as checkboxes, but I was wondering how to do this properly.
Any response is very much appreciated,
Kind regards,
Jan-Willem
Re: Action that takes an enum set?
Posted by Dan Haywood <da...@haywood-associates.co.uk>.
Isis uses the Wicket viewer, which in turn relies heavily on HTTP
sessions. Thus, you would either need to ensure that sessions are
configured to be "sticky" to each host in the cluster, or to have some sort
of transparent distributed session store for HttpSession.
The RO viewer is stateless, so no issues from an HA viewpoint, but
delegates the issue of authentication management back to the client, eg
using basic auth or oAuth2.
The other issue is, of course, the database. Isis uses JDO/DataNuclues
which supports multiple database types, the vast majority of users will be
using an RDBMS I imagine. So, if the RDBMS is clustered in some fashion,
you should be ok. If you intend to use one of the other datastores
supported by JDO/DataNucleus, then take some additional time to check it
runs ok. We know it runs ok on Neo4J, for example, but there was a small
amount of work required to get to that point.
HTH
Dan
On 16 June 2016 at 16:59, José Alejandro Manaure Martinez <
jose.manaure@ticxar.com> wrote:
> Hi Dan
> Support ISIS HA Cluster?
>
> Greetings
>
> 2016-06-16 10:50 GMT-05:00 Dan Haywood <da...@haywood-associates.co.uk>:
>
> > Hi Jan-Willem
> >
> > sorry not to reply on this question before now.
> >
> > Short answer is that this isn't part of the Restful Objects spec, and
> > therefore isn't possible currently. That said, I do think that the Naked
> > Objects .NET implementation has made some small extensions to the spec to
> > support this capability, but I don't know the exact details.
> >
> > By all means raise a JIRA ticket on this (though I don't know exactly
> when
> > it would be implemented). If you're really need the feature then I'll be
> > happy to provide some pointers as to how you might implement it and
> > contribute back.
> >
> > Thanks
> > Dan
> >
> >
> > On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
> > jan-willem@youngmediaexperts.nl> wrote:
> >
> > >
> > >
> > > Hey all,
> > >
> > > I've been wondering how I could nicely implement a collection of Enums
> > > as input for an Action. The values do not come from an persisted
> entity,
> > > as it would be part of as I imagine it to be a request POJO.
> > >
> > > I know that HTTP headers allow a path parameter to be defined multiple
> > > times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson
> I
> > > would use the Enum to String serialization and end up with something
> > > similar to : { "foo" : [ "BAR", "BAZ"] }
> > >
> > > I currently transformed my options to booleans so that they become
> > > visible as checkboxes, but I was wondering how to do this properly.
> > >
> > > Any response is very much appreciated,
> > >
> > > Kind regards,
> > >
> > > Jan-Willem
> >
>
>
>
> --
> [image: Logo]
>
> José Alejandro Manaure
> *Project Manager*
> Tel: (57) 1 703 17 77
> Cel: (57) 312 5476188
> E-mail: jose.manaure@ticxar.com
> Calle 93 # 19b - 66 Ofc 202
> Bogotá D.C., Colombia
> www.ticxar.com
> [image: facebook]
> <https://www.facebook.com/pages/Ticxar/446503822192581> [image:
> twitter] <http://twitter.com/ticxar> [image: linkedIn]
> <https://www.linkedin.com/company/ticxar>
>
Re: Action that takes an enum set?
Posted by José Alejandro Manaure Martinez <jo...@ticxar.com>.
Hi Dan
Support ISIS HA Cluster?
Greetings
2016-06-16 10:50 GMT-05:00 Dan Haywood <da...@haywood-associates.co.uk>:
> Hi Jan-Willem
>
> sorry not to reply on this question before now.
>
> Short answer is that this isn't part of the Restful Objects spec, and
> therefore isn't possible currently. That said, I do think that the Naked
> Objects .NET implementation has made some small extensions to the spec to
> support this capability, but I don't know the exact details.
>
> By all means raise a JIRA ticket on this (though I don't know exactly when
> it would be implemented). If you're really need the feature then I'll be
> happy to provide some pointers as to how you might implement it and
> contribute back.
>
> Thanks
> Dan
>
>
> On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
> jan-willem@youngmediaexperts.nl> wrote:
>
> >
> >
> > Hey all,
> >
> > I've been wondering how I could nicely implement a collection of Enums
> > as input for an Action. The values do not come from an persisted entity,
> > as it would be part of as I imagine it to be a request POJO.
> >
> > I know that HTTP headers allow a path parameter to be defined multiple
> > times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
> > would use the Enum to String serialization and end up with something
> > similar to : { "foo" : [ "BAR", "BAZ"] }
> >
> > I currently transformed my options to booleans so that they become
> > visible as checkboxes, but I was wondering how to do this properly.
> >
> > Any response is very much appreciated,
> >
> > Kind regards,
> >
> > Jan-Willem
>
--
[image: Logo]
José Alejandro Manaure
*Project Manager*
Tel: (57) 1 703 17 77
Cel: (57) 312 5476188
E-mail: jose.manaure@ticxar.com
Calle 93 # 19b - 66 Ofc 202
Bogotá D.C., Colombia
www.ticxar.com
[image: facebook]
<https://www.facebook.com/pages/Ticxar/446503822192581> [image:
twitter] <http://twitter.com/ticxar> [image: linkedIn]
<https://www.linkedin.com/company/ticxar>
Re: Action that takes an enum set?
Posted by Jan-Willem Gmelig Meyling <ja...@youngmediaexperts.nl>.
Hi Oscar,
Thanks for your very detailled answer. I will definitely play around with it in the next few days!
Kind regards,
Jan-Willem
> On 19 Jun 2016, at 22:09, Óscar Bou - GOVERTIS <o....@govertis.com> wrote:
>
> Hi Jan-Willem,
>
> Let me show you a possible implementation of the multi-tenancy feature some of us (Dan, Jeroen, Martin and me) implemented in a project.
>
> We have an abstract base class for our Domain Entities, like this one:
>
> public abstract class AbstractDomainEntity<T extends AbstractDomainEntity <T>>
> extends AbstractDomainObject implements Comparable<T>, WithApplicationTenancy {
>
> // //////////////////////////////////////
> // Application Tenancy.
> // //////////////////////////////////////
>
> protected static String TENANT_PATH_UNIVERSAL = "/";
>
> @Property(hidden = Where.EVERYWHERE)
> @Override
> public ApplicationTenancy getApplicationTenancy() {
> final ApplicationTenancy applicationTenancy = this.applicationTenancies.findTenancyByPath(this.tenancyPath());
>
> if (applicationTenancy == null) {
> throw new FatalException("Domain Object without Application Tenancy !!! That's forbidden.");
> }
>
> return applicationTenancy;
> }
>
> @Programmatic
> public abstract String tenancyPath();
>
>
> ….
>
> }
>
>
> What is relevant here is that we force any Domain Entity to override a “tenancyPath” method which is used for giving the tenancy path for any given domain object (ie, Domain Entity instance).
> As it’s a method, it can be programmatically return a static path (ie, the same for all Domain Entity instances) or compute it dinamically (ie. from properties for this given concrete domain object).
>
> For example, we have an “Account” Domain Entity, whose tenancy path is compute as here:
>
> public class Account extends AbstractDomainEntity <Account> {
>
>
> ….
>
> @Override
> @Programmatic
> public String tenancyPath() {
> if (this.getApplicationUser() != null) {
> return "/accounts/" + this.getApplicationUser().getName();
> } else {
> return “/ONLY_APP_ADMINS”;
> }
>
> ….
>
> }
>
>
> Also, this entity is relevant because it allow us to explicitely model in our Domain the Isis Security add-on Users, having a 1-to-1 relationship with the corresponding add-on entity.
>
> And we can also indirectly evaluate if a given Account has a specific Security Role to know about our security policies at the Domain level (only if needed; perhaps not best practice if we want to keep Security completely orthogonal to our Domain):
>
>
> public class Account extends AbstractDomainEntity <Account> {
>
> ….
>
> // {{ ApplicationUser (property)
> private ApplicationUser applicationUser;
>
> // Acts as a Title because ApplicationUser has #title() impl
> @Column(allowsNull = "false")
> @PropertyLayout(hidden = Where.ANYWHERE)
> public ApplicationUser getApplicationUser() {
> return this.applicationUser;
> }
>
> public void setApplicationUser(final ApplicationUser applicationUser) {
> this.applicationUser = applicationUser;
> }
>
> // }}
>
> // {{ hasSecurityRole (action)
> @Action(semantics = SemanticsOf.SAFE, hidden = Where.EVERYWHERE)
> @MemberOrder(sequence = "1")
> public Boolean hasSecurityRole(@ParameterLayout(named = "Application Role") final ApplicationRole applicationRole) {
> if (this.getApplicationUser() != null) {
> return this.getApplicationUser().getRoles().contains(applicationRole);
> } else {
> return false;
> }
> }
>
> // }}
>
> ….
> }
>
>
> As an example of dinamically computing it, for the “Person” entity, we delegate the tenancy path to the Account it belongs to.
> And if, for any reason, this concrete Domain Object does not have an associated Account, it will become visible only to SysAdmins.
>
>
> public class Person extends AbstractDomainEntity <Person> {
>
> ….
>
> @Override
> @Programmatic
> public String tenancyPath() {
> if (this.getAssociatedAccount() != null) {
> return this.getAssociatedAccount().tenancyPath();
> } else {
> return “/ONLY_APP_ADMINS”;
> }
> }
>
> ….
> }
>
>
> For the “Order” Domain Entity, we use a different approach, mapping the order “owner” by email with the corresponding Account.
>
>
> public class Order extends AbstractDomainEntity <Order> implements OrderForPricing {
>
> ….
> @Override
> @Programmatic
> public String tenancyPath() {
> if ((this.meService.me() != null) && this.meService.me().getEmail().equals(this.getEmail())) {
> return this.meService.me().tenancyPath();
> } else {
> return “/ONLY_APP_ADMINS”;
> }
> }
> ….
> }
>
>
> Being the “MeService” a service that “maps” the current Isis user to our Domain:
>
>
> @DomainService
> @DomainServiceLayout(menuBar = DomainServiceLayout.MenuBar.TERTIARY)
> public class MeService extends AbstractMyDomainService {
>
> ….
>
> @Action(semantics = SemanticsOf.SAFE)
> @MemberOrder(sequence = "2")
> @ActionLayout(cssClass = "iconEditProfile")
> public Account me() {
> final String currentUserName = this.container.getUser().getName();
> return this.accounts.findByName(currentUserName);
> }
> ….
> }
>
>
> As you can see, the tenancy path can give you the desired level of simplicity or complexity for your Domain Entities.
>
> You could have something simple, like for example, a “Tenant” entity that could be referenced in any other Domain Entities with a property, and composing the tenancy path simply with something like here (not tested in IDE:
>
>
> public class Tenant extends AbstractDomainEntity < Tenant > {
>
> private String name;
>
> public void setName(final String name) {
> this.name = name;
> }
>
> public String getName() {
> return this.name;
> }
>
> ….
>
> }
>
>
>
> public class MultiTenantEntity extends AbstractDomainEntity <Order> implements OrderForPricing {
>
> private Tenant tenant;
>
> public void setTenant(final Tenant tenant) {
> this.tenant = tenant;
> }
>
> public String getTenant() {
> return this.tenant;
> }
>
> public String tenancyPath() {
> if (this.getTenant() != null) {
> return “/“ + this.getTenant().getName();
> } else {
> return “/ONLY_APP_ADMINS”;
> }
> }
> ….
> }
>
>
>
> HTH,
>
> Oscar
>
>
>
>> El 18 jun 2016, a las 16:31, Jan-Willem Gmelig Meyling <jan-willem@youngmediaexperts.nl <ma...@youngmediaexperts.nl>> escribió:
>>
>> Hi Dan,
>>
>> Thanks for your response! I will create an issue in the Jira issue tracker for this. Right now it’s not so important that I can allocate some time for it now, but I may very well implement it later on. First I want too look somewhat more into the framework and Wicket. Three other questions that I currently have:
>>
>> - Is there an example of how the tenancy should be used for the security module? I am wondering whether it is possible to ensure SimpleObjects can only be accessed by allowed users (/user groups).
>>
>> - Is there a way to provide a custom stylesheet from scratch, or can you only make additions to the existing styles?
>>
>> - Is there a way to use multiple persistence units? I know in CDI/JPA you can inject another persistence unit with @PersistenceContext(“unit-name”). Is something similar possible with DataNucleus / Isis?
>>
>> Cheers,
>>
>> Jan-Willem
>>
>>
>>
>>
>>> On 16 Jun 2016, at 17:50, Dan Haywood <dan@haywood-associates.co.uk <ma...@haywood-associates.co.uk>> wrote:
>>>
>>> Hi Jan-Willem
>>>
>>> sorry not to reply on this question before now.
>>>
>>> Short answer is that this isn't part of the Restful Objects spec, and
>>> therefore isn't possible currently. That said, I do think that the Naked
>>> Objects .NET implementation has made some small extensions to the spec to
>>> support this capability, but I don't know the exact details.
>>>
>>> By all means raise a JIRA ticket on this (though I don't know exactly when
>>> it would be implemented). If you're really need the feature then I'll be
>>> happy to provide some pointers as to how you might implement it and
>>> contribute back.
>>>
>>> Thanks
>>> Dan
>>>
>>>
>>> On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
>>> jan-willem@youngmediaexperts.nl <ma...@youngmediaexperts.nl>> wrote:
>>>
>>>>
>>>>
>>>> Hey all,
>>>>
>>>> I've been wondering how I could nicely implement a collection of Enums
>>>> as input for an Action. The values do not come from an persisted entity,
>>>> as it would be part of as I imagine it to be a request POJO.
>>>>
>>>> I know that HTTP headers allow a path parameter to be defined multiple
>>>> times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
>>>> would use the Enum to String serialization and end up with something
>>>> similar to : { "foo" : [ "BAR", "BAZ"] }
>>>>
>>>> I currently transformed my options to booleans so that they become
>>>> visible as checkboxes, but I was wondering how to do this properly.
>>>>
>>>> Any response is very much appreciated,
>>>>
>>>> Kind regards,
>>>>
>>>> Jan-Willem
>
> <govertis1.png>
>
> Óscar Bou Bou
> Socio - IT & GRC Management Services Director
> m: +34 620 267 520
> s: <http://www.govertis.com/>www.govertis.com <http://www.govertis.com/> e: o.bou@govertis.com <ma...@govertis.com>
>
> LinkedIn: https://www.linkedin.com/in/oscarbou <https://www.linkedin.com/in/oscarbou>
> Twitter: @oscarbou <https://twitter.com/oscarbou>
>
>
>
> Este mensaje y los ficheros anexos son confidenciales. Los mismos contienen información reservada que no puede ser difundida. Si usted ha recibido este correo por error, tenga la amabilidad de eliminarlo de su sistema y avisar al remitente mediante reenvío a su dirección electrónica; no deberá copiar el mensaje ni divulgar su contenido a ninguna persona.
>
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>
>
Re: Action that takes an enum set?
Posted by Óscar Bou - GOVERTIS <o....@govertis.com>.
Hi Jan-Willem,
Let me show you a possible implementation of the multi-tenancy feature some of us (Dan, Jeroen, Martin and me) implemented in a project.
We have an abstract base class for our Domain Entities, like this one:
public abstract class AbstractDomainEntity<T extends AbstractDomainEntity <T>>
extends AbstractDomainObject implements Comparable<T>, WithApplicationTenancy {
// //////////////////////////////////////
// Application Tenancy.
// //////////////////////////////////////
protected static String TENANT_PATH_UNIVERSAL = "/";
@Property(hidden = Where.EVERYWHERE)
@Override
public ApplicationTenancy getApplicationTenancy() {
final ApplicationTenancy applicationTenancy = this.applicationTenancies.findTenancyByPath(this.tenancyPath());
if (applicationTenancy == null) {
throw new FatalException("Domain Object without Application Tenancy !!! That's forbidden.");
}
return applicationTenancy;
}
@Programmatic
public abstract String tenancyPath();
….
}
What is relevant here is that we force any Domain Entity to override a “tenancyPath” method which is used for giving the tenancy path for any given domain object (ie, Domain Entity instance).
As it’s a method, it can be programmatically return a static path (ie, the same for all Domain Entity instances) or compute it dinamically (ie. from properties for this given concrete domain object).
For example, we have an “Account” Domain Entity, whose tenancy path is compute as here:
public class Account extends AbstractDomainEntity <Account> {
….
@Override
@Programmatic
public String tenancyPath() {
if (this.getApplicationUser() != null) {
return "/accounts/" + this.getApplicationUser().getName();
} else {
return “/ONLY_APP_ADMINS”;
}
….
}
Also, this entity is relevant because it allow us to explicitely model in our Domain the Isis Security add-on Users, having a 1-to-1 relationship with the corresponding add-on entity.
And we can also indirectly evaluate if a given Account has a specific Security Role to know about our security policies at the Domain level (only if needed; perhaps not best practice if we want to keep Security completely orthogonal to our Domain):
public class Account extends AbstractDomainEntity <Account> {
….
// {{ ApplicationUser (property)
private ApplicationUser applicationUser;
// Acts as a Title because ApplicationUser has #title() impl
@Column(allowsNull = "false")
@PropertyLayout(hidden = Where.ANYWHERE)
public ApplicationUser getApplicationUser() {
return this.applicationUser;
}
public void setApplicationUser(final ApplicationUser applicationUser) {
this.applicationUser = applicationUser;
}
// }}
// {{ hasSecurityRole (action)
@Action(semantics = SemanticsOf.SAFE, hidden = Where.EVERYWHERE)
@MemberOrder(sequence = "1")
public Boolean hasSecurityRole(@ParameterLayout(named = "Application Role") final ApplicationRole applicationRole) {
if (this.getApplicationUser() != null) {
return this.getApplicationUser().getRoles().contains(applicationRole);
} else {
return false;
}
}
// }}
….
}
As an example of dinamically computing it, for the “Person” entity, we delegate the tenancy path to the Account it belongs to.
And if, for any reason, this concrete Domain Object does not have an associated Account, it will become visible only to SysAdmins.
public class Person extends AbstractDomainEntity <Person> {
….
@Override
@Programmatic
public String tenancyPath() {
if (this.getAssociatedAccount() != null) {
return this.getAssociatedAccount().tenancyPath();
} else {
return “/ONLY_APP_ADMINS”;
}
}
….
}
For the “Order” Domain Entity, we use a different approach, mapping the order “owner” by email with the corresponding Account.
public class Order extends AbstractDomainEntity <Order> implements OrderForPricing {
….
@Override
@Programmatic
public String tenancyPath() {
if ((this.meService.me() != null) && this.meService.me().getEmail().equals(this.getEmail())) {
return this.meService.me().tenancyPath();
} else {
return “/ONLY_APP_ADMINS”;
}
}
….
}
Being the “MeService” a service that “maps” the current Isis user to our Domain:
@DomainService
@DomainServiceLayout(menuBar = DomainServiceLayout.MenuBar.TERTIARY)
public class MeService extends AbstractMyDomainService {
….
@Action(semantics = SemanticsOf.SAFE)
@MemberOrder(sequence = "2")
@ActionLayout(cssClass = "iconEditProfile")
public Account me() {
final String currentUserName = this.container.getUser().getName();
return this.accounts.findByName(currentUserName);
}
….
}
As you can see, the tenancy path can give you the desired level of simplicity or complexity for your Domain Entities.
You could have something simple, like for example, a “Tenant” entity that could be referenced in any other Domain Entities with a property, and composing the tenancy path simply with something like here (not tested in IDE:
public class Tenant extends AbstractDomainEntity < Tenant > {
private String name;
public void setName(final String name) {
this.name = name;
}
public String getName() {
return this.name;
}
….
}
public class MultiTenantEntity extends AbstractDomainEntity <Order> implements OrderForPricing {
private Tenant tenant;
public void setTenant(final Tenant tenant) {
this.tenant = tenant;
}
public String getTenant() {
return this.tenant;
}
public String tenancyPath() {
if (this.getTenant() != null) {
return “/“ + this.getTenant().getName();
} else {
return “/ONLY_APP_ADMINS”;
}
}
….
}
HTH,
Oscar
> El 18 jun 2016, a las 16:31, Jan-Willem Gmelig Meyling <ja...@youngmediaexperts.nl> escribió:
>
> Hi Dan,
>
> Thanks for your response! I will create an issue in the Jira issue tracker for this. Right now it’s not so important that I can allocate some time for it now, but I may very well implement it later on. First I want too look somewhat more into the framework and Wicket. Three other questions that I currently have:
>
> - Is there an example of how the tenancy should be used for the security module? I am wondering whether it is possible to ensure SimpleObjects can only be accessed by allowed users (/user groups).
>
> - Is there a way to provide a custom stylesheet from scratch, or can you only make additions to the existing styles?
>
> - Is there a way to use multiple persistence units? I know in CDI/JPA you can inject another persistence unit with @PersistenceContext(“unit-name”). Is something similar possible with DataNucleus / Isis?
>
> Cheers,
>
> Jan-Willem
>
>
>
>
>> On 16 Jun 2016, at 17:50, Dan Haywood <da...@haywood-associates.co.uk> wrote:
>>
>> Hi Jan-Willem
>>
>> sorry not to reply on this question before now.
>>
>> Short answer is that this isn't part of the Restful Objects spec, and
>> therefore isn't possible currently. That said, I do think that the Naked
>> Objects .NET implementation has made some small extensions to the spec to
>> support this capability, but I don't know the exact details.
>>
>> By all means raise a JIRA ticket on this (though I don't know exactly when
>> it would be implemented). If you're really need the feature then I'll be
>> happy to provide some pointers as to how you might implement it and
>> contribute back.
>>
>> Thanks
>> Dan
>>
>>
>> On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
>> jan-willem@youngmediaexperts.nl> wrote:
>>
>>>
>>>
>>> Hey all,
>>>
>>> I've been wondering how I could nicely implement a collection of Enums
>>> as input for an Action. The values do not come from an persisted entity,
>>> as it would be part of as I imagine it to be a request POJO.
>>>
>>> I know that HTTP headers allow a path parameter to be defined multiple
>>> times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
>>> would use the Enum to String serialization and end up with something
>>> similar to : { "foo" : [ "BAR", "BAZ"] }
>>>
>>> I currently transformed my options to booleans so that they become
>>> visible as checkboxes, but I was wondering how to do this properly.
>>>
>>> Any response is very much appreciated,
>>>
>>> Kind regards,
>>>
>>> Jan-Willem
Óscar Bou Bou
Socio - IT & GRC Management Services Director
m: +34 620 267 520
s: <http://www.govertis.com/>www.govertis.com <http://www.govertis.com/> e: o.bou@govertis.com <ma...@govertis.com>
LinkedIn: https://www.linkedin.com/in/oscarbou <https://www.linkedin.com/in/oscarbou>
Twitter: @oscarbou <https://twitter.com/oscarbou>
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Re: Action that takes an enum set?
Posted by Jan-Willem Gmelig Meyling <ja...@youngmediaexperts.nl>.
Hi Dan,
Thanks for your response! I will create an issue in the Jira issue tracker for this. Right now it’s not so important that I can allocate some time for it now, but I may very well implement it later on. First I want too look somewhat more into the framework and Wicket. Three other questions that I currently have:
- Is there an example of how the tenancy should be used for the security module? I am wondering whether it is possible to ensure SimpleObjects can only be accessed by allowed users (/user groups).
- Is there a way to provide a custom stylesheet from scratch, or can you only make additions to the existing styles?
- Is there a way to use multiple persistence units? I know in CDI/JPA you can inject another persistence unit with @PersistenceContext(“unit-name”). Is something similar possible with DataNucleus / Isis?
Cheers,
Jan-Willem
> On 16 Jun 2016, at 17:50, Dan Haywood <da...@haywood-associates.co.uk> wrote:
>
> Hi Jan-Willem
>
> sorry not to reply on this question before now.
>
> Short answer is that this isn't part of the Restful Objects spec, and
> therefore isn't possible currently. That said, I do think that the Naked
> Objects .NET implementation has made some small extensions to the spec to
> support this capability, but I don't know the exact details.
>
> By all means raise a JIRA ticket on this (though I don't know exactly when
> it would be implemented). If you're really need the feature then I'll be
> happy to provide some pointers as to how you might implement it and
> contribute back.
>
> Thanks
> Dan
>
>
> On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
> jan-willem@youngmediaexperts.nl> wrote:
>
>>
>>
>> Hey all,
>>
>> I've been wondering how I could nicely implement a collection of Enums
>> as input for an Action. The values do not come from an persisted entity,
>> as it would be part of as I imagine it to be a request POJO.
>>
>> I know that HTTP headers allow a path parameter to be defined multiple
>> times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
>> would use the Enum to String serialization and end up with something
>> similar to : { "foo" : [ "BAR", "BAZ"] }
>>
>> I currently transformed my options to booleans so that they become
>> visible as checkboxes, but I was wondering how to do this properly.
>>
>> Any response is very much appreciated,
>>
>> Kind regards,
>>
>> Jan-Willem
Re: Action that takes an enum set?
Posted by Dan Haywood <da...@haywood-associates.co.uk>.
Hi Jan-Willem
sorry not to reply on this question before now.
Short answer is that this isn't part of the Restful Objects spec, and
therefore isn't possible currently. That said, I do think that the Naked
Objects .NET implementation has made some small extensions to the spec to
support this capability, but I don't know the exact details.
By all means raise a JIRA ticket on this (though I don't know exactly when
it would be implemented). If you're really need the feature then I'll be
happy to provide some pointers as to how you might implement it and
contribute back.
Thanks
Dan
On 29 May 2016 at 12:55, Jan-Willem Gmelig Meyling <
jan-willem@youngmediaexperts.nl> wrote:
>
>
> Hey all,
>
> I've been wondering how I could nicely implement a collection of Enums
> as input for an Action. The values do not come from an persisted entity,
> as it would be part of as I imagine it to be a request POJO.
>
> I know that HTTP headers allow a path parameter to be defined multiple
> times. So an EnumSet is usually seen as "?foo=BAR&foo=BAZ". In Jackson I
> would use the Enum to String serialization and end up with something
> similar to : { "foo" : [ "BAR", "BAZ"] }
>
> I currently transformed my options to booleans so that they become
> visible as checkboxes, but I was wondering how to do this properly.
>
> Any response is very much appreciated,
>
> Kind regards,
>
> Jan-Willem