WSDL and "extends"

Hello,

I would like to know how can I use the "extends"
for services.
I have a Customer service that extends the User service.

/**
....
 * service
 * binding.soap
 * location http://mydomain.
com/SOA/Customer.php
*/
class Customer extends User {
...
}

What should I add into the comments or what should I to do
when using
an extension?
When I use the Customer alone it works fine, but when I use
the
Customer with the extension the WSDL is not generated.

Thank you!


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Hi,

Sorry for not getting back to you sooner.  Extends is not
something
I'm aware of being supported.  The SCA_AnnotationReader
uses
get_class_methods to return the methods which the class may
expose
(depends on whether they're public or are restricted using
an
interface).  I haven't tried it yet, but my guess is this
doesn't
return methods defined by the parent class.  If this is the
case, then
this code would need updating to include parent classes
when
determining the candidate methods to be exposed.

I hope this helps.

Graham.

On 21 Dec 2007, 15:24, aouriques <mundopi...gmail.com> wrote:
> Hello,
>
> I would like to know how can I use the
"extends" for services.
> I have a Customer service that extends the User
service.
>
> /**
> ....
>  * service
>  * binding.soap
>  * locationhttp://mydomain.
com/SOA/Customer.php
> */
> class Customer extends User {
> ...
>
> }
>
> What should I add into the comments or what should I to
do when using
> an extension?
> When I use the Customer alone it works fine, but when I
use the
> Customer with the extension the WSDL is not generated.
>
> Thank you!
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OK, so I should have tried it before responding....

Get_class_methods does include methods from parent classes. 
I've just
tried the following example:

filename: DerivedClass.php

<?php

include 'SCA/SCA.php';

class ParentClass {

    public function method1() {}
}

/**
 * My service using extension
 *
 * service
 * binding.soap
 */
class DerivedClass extends ParentClass {

    public function method2() {}
}

?>

When I point my browser at http://...../Deriv
edClass.php?wsdl, it
returns the following, which includes both methods.

<?xml version="1.0"
encoding="UTF-8"?>
<wsdl:definitions xmlns:tns2="http://DerivedClass" xmlns:wsdl="http://
schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlso
ap.org/wsdl/
soap/" xmlnssi=&q
uot;http:
//www.w3.org/2001/XMLSchema-instance"
targetNamespace="http://DerivedClass&quo
t;>
  <types>
    <xs:schema xmlnss=&qu
ot;http://www.w3.
org/2001/XMLSchema"
      targetNamespace="http://DerivedClass"
      elementFormDefault="qualified">
      <xs:element name="method2">
        <xs:complexType>
          <xs:sequence>
          </xs:sequence>
        </xs:complexType>
      </xs:element>

      <xs:element name="method2Response">
        <xs:complexType>
          <xs:sequence>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="method1">
        <xs:complexType>
          <xs:sequence>

          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="method1Response">
        <xs:complexType>
          <xs:sequence>
          </xs:sequence>
        </xs:complexType>
      </xs:element>

    </xs:schema>
  </types>

  <wsdl:message name="method2Request">
    <wsdl:part name="method2Request"
element="tns2:method2"/>
  </wsdl:message>
  <wsdl:message name="method2Response">
    <wsdl:part name="return"
element="tns2:method2Response"/>
  </wsdl:message>

  <wsdl:message name="method1Request">
    <wsdl:part name="method1Request"
element="tns2:method1"/>
  </wsdl:message>
  <wsdl:message name="method1Response">
    <wsdl:part name="return"
element="tns2:method1Response"/>
  </wsdl:message>
  <wsdl:portType
name="DerivedClassPortType">
    <wsdl:operation name="method2">
      <wsdl:input
message="tns2:method2Request"/>

      <wsdl:output
message="tns2:method2Response"/>
    </wsdl:operation>
    <wsdl:operation name="method1">
      <wsdl:input
message="tns2:method1Request"/>
      <wsdl:output
message="tns2:method1Response"/>
    </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="DerivedClassBinding"
type="tns2erivedCl
assPortType">
    <soap:binding transport="http://sch
emas.xmlsoap.org/soap/http"
style="document"/>

    <wsdl:operation name="method2">
      <soap:operation soapAction=""/>
      <wsdl:input>
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal"/>
      </wsdl:output>
    </wsdl:operation>

    <wsdl:operation name="method1">
      <soap:operation soapAction=""/>
      <wsdl:input>
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal"/>
      </wsdl:output>
    </wsdl:operation>

  </wsdl:binding>
  <wsdl:service name="DerivedClassService">
    <wsdl:port name="DerivedClassPort"
binding="tns2erivedCl
assBinding">
      <soap:address location="http://localhost/bugs/
extends/
DerivedClass.php"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>

<!-- this line identifies this file as WSDL generated by
SCA for PHP.
Do not remove -->

Can you give this example a try and see what happens?

Regards,

Graham.

On 2 Jan, 17:07, Graham Charters <gchart...googlemail.com> wrote:
> Hi,
>
> Sorry for not getting back to you sooner.  Extends is
not something
> I'm aware of being supported.  The SCA_AnnotationReader
uses
> get_class_methods to return the methods which the class
may expose
> (depends on whether they're public or are restricted
using an
> interface).  I haven't tried it yet, but my guess is
this doesn't
> return methods defined by the parent class.  If this is
the case, then
> this code would need updating to include parent classes
when
> determining the candidate methods to be exposed.
>
> I hope this helps.
>
> Graham.
>
> On 21 Dec 2007, 15:24, aouriques <mundopi...gmail.com> wrote:
>
> > Hello,
>
> > I would like to know how can I use the
"extends" for services.
> > I have a Customer service that extends the User
service.
>
> > /**
> > ....
> >  * service
> >  * binding.soap
> >  * locationhttp://mydomain.
com/SOA/Customer.php
> > */
> > class Customer extends User {
> > ...
>
> > }
>
> > What should I add into the comments or what should
I to do when using
> > an extension?
> > When I use the Customer alone it works fine, but
when I use the
> > Customer with the extension the WSDL is not
generated.
>
> > Thank you!
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First of all, thank you Graham.

I have tested your example and it works fine, but I am
trying to
create another structure where I have a parent class in a
separated
file.
For example:
<?php
include_once 'SCA/SCA.php';

/**
 * My service using extension
 *
 * service
 * binding.soap
 */
class ParentClass {

    public function method1() {}

}

?>

<?php
include_once 'ParentClass.php';
include_once 'SCA/SCA.php';

/**
 * My service using extension
 *
 * service
 * binding.soap
 */
class DerivedClass extends ParentClass {

    public function method2() {}

}

?>

Using this files structure it doesn't work.

Thank you.

On 2 Jan, 14:18, Graham Charters <gchart...googlemail.com> wrote:
> OK, so I should have tried it before responding....
>
> Get_class_methods does include methods from parent
classes.  I've just
> tried the following example:
>
> filename: DerivedClass.php
>
> <?php
>
> include 'SCA/SCA.php';
>
> class ParentClass {
>
>     public function method1() {}
>
> }
>
> /**
>  * My service using extension
>  *
>  * service
>  * binding.soap
>  */
> class DerivedClass extends ParentClass {
>
>     public function method2() {}
>
> }
>
> ?>
>
> When I point my browser athttp://...../Deriv
edClass.php?wsdl, it
> returns the following, which includes both methods.
>
> <?xml version="1.0"
encoding="UTF-8"?>
> <wsdl:definitions xmlns:tns2="http://DerivedClass" xmlns:wsdl="http://
> schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlso
ap.org/wsdl/
> soap/" xmlnssi=&q
uot;http:
//www.w3.org/2001/XMLSchema-instance"
> targetNamespace="http://DerivedClass&quo
t;>
>   <types>
>     <xs:schema xmlnss=&qu
ot;http://www.w3.
org/2001/XMLSchema"
>       targetNamespace="http://DerivedClass"
>       elementFormDefault="qualified">
>       <xs:element name="method2">
>         <xs:complexType>
>           <xs:sequence>
>           </xs:sequence>
>         </xs:complexType>
>       </xs:element>
>
>       <xs:element
name="method2Response">
>         <xs:complexType>
>           <xs:sequence>
>           </xs:sequence>
>         </xs:complexType>
>       </xs:element>
>       <xs:element name="method1">
>         <xs:complexType>
>           <xs:sequence>
>
>           </xs:sequence>
>         </xs:complexType>
>       </xs:element>
>       <xs:element
name="method1Response">
>         <xs:complexType>
>           <xs:sequence>
>           </xs:sequence>
>         </xs:complexType>
>       </xs:element>
>
>     </xs:schema>
>   </types>
>
>   <wsdl:message name="method2Request">
>     <wsdl:part name="method2Request"
element="tns2:method2"/>
>   </wsdl:message>
>   <wsdl:message
name="method2Response">
>     <wsdl:part name="return"
element="tns2:method2Response"/>
>   </wsdl:message>
>
>   <wsdl:message name="method1Request">
>     <wsdl:part name="method1Request"
element="tns2:method1"/>
>   </wsdl:message>
>   <wsdl:message
name="method1Response">
>     <wsdl:part name="return"
element="tns2:method1Response"/>
>   </wsdl:message>
>   <wsdl:portType
name="DerivedClassPortType">
>     <wsdl:operation name="method2">
>       <wsdl:input
message="tns2:method2Request"/>
>
>       <wsdl:output
message="tns2:method2Response"/>
>     </wsdl:operation>
>     <wsdl:operation name="method1">
>       <wsdl:input
message="tns2:method1Request"/>
>       <wsdl:output
message="tns2:method1Response"/>
>     </wsdl:operation>
>   </wsdl:portType>
>   <wsdl:binding
name="DerivedClassBinding"
> type="tns2erivedCl
assPortType">
>     <soap:binding transport="http://sch
emas.xmlsoap.org/soap/http"
> style="document"/>
>
>     <wsdl:operation name="method2">
>       <soap:operation soapAction=""/>
>       <wsdl:input>
>         <soap:body use="literal"/>
>       </wsdl:input>
>       <wsdl:output>
>         <soap:body use="literal"/>
>       </wsdl:output>
>     </wsdl:operation>
>
>     <wsdl:operation name="method1">
>       <soap:operation soapAction=""/>
>       <wsdl:input>
>         <soap:body use="literal"/>
>       </wsdl:input>
>       <wsdl:output>
>         <soap:body use="literal"/>
>       </wsdl:output>
>     </wsdl:operation>
>
>   </wsdl:binding>
>   <wsdl:service
name="DerivedClassService">
>     <wsdl:port name="DerivedClassPort"
> binding="tns2erivedCl
assBinding">
>       <soap:address location="http://localhost/bugs/
extends/
> DerivedClass.php"/>
>     </wsdl:port>
>   </wsdl:service>
> </wsdl:definitions>
>
> <!-- this line identifies this file as WSDL
generated by SCA for PHP.
> Do not remove -->
>
> Can you give this example a try and see what happens?
>
> Regards,
>
> Graham.
>
> On 2 Jan, 17:07, Graham Charters <gchart...googlemail.com> wrote:
>
> > Hi,
>
> > Sorry for not getting back to you sooner.  Extends
is not something
> > I'm aware of being supported.  The
SCA_AnnotationReader uses
> > get_class_methods to return the methods which the
class may expose
> > (depends on whether they're public or are
restricted using an
> > interface).  I haven't tried it yet, but my guess
is this doesn't
> > return methods defined by the parent class.  If
this is the case, then
> > this code would need updating to include parent
classes when
> > determining the candidate methods to be exposed.
>
> > I hope this helps.
>
> > Graham.
>
> > On 21 Dec 2007, 15:24, aouriques
<mundopi...gmail.com> wrote:
>
> > > Hello,
>
> > > I would like to know how can I use the
"extends" for services.
> > > I have a Customer service that extends the
User service.
>
> > > /**
> > > ....
> > >  * service
> > >  * binding.soap
> > >  * locationhttp://mydomain.
com/SOA/Customer.php
> > > */
> > > class Customer extends User {
> > > ...
>
> > > }
>
> > > What should I add into the comments or what
should I to do when using
> > > an extension?
> > > When I use the Customer alone it works fine,
but when I use the
> > > Customer with the extension the WSDL is not
generated.
>
> > > Thank you!
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Hi,

What you're seeing is a consequence of the php internals
design, in
that a derived class is not processed at compile-time.  I
encountered
this when adding the ability to control service methods
through an
interface.  You can get round the problem by moving the
include for
SCA.php to after the definition of the derived class (I
think this
should be the recommended practice, and needs updating in
the docs).
The following works for me:

ParentClass.php

<?php

class ParentClass {

    public function method1() {}
}

?>

DerivedClass.php

<?php

include 'ParentClass.php';

/**
 * My service using extension
 *
 * service
 * binding.soap
 */
class DerivedClass extends ParentClass {

    public function method2() {}
}

include 'SCA/SCA.php';

?>

I hope this helps.

Graham.

On 2 Jan, 17:46, aouriques <mundopi...gmail.com> wrote:
> First of all, thank you Graham.
>
> I have tested your example and it works fine, but I am
trying to
> create another structure where I have a parent class in
a separated
> file.
> For example:
> <?php
> include_once 'SCA/SCA.php';
>
> /**
>  * My service using extension
>  *
>  * service
>  * binding.soap
>  */
> class ParentClass {
>
>     public function method1() {}
>
> }
>
> ?>
>
> <?php
> include_once 'ParentClass.php';
> include_once 'SCA/SCA.php';
>
> /**
>  * My service using extension
>  *
>  * service
>  * binding.soap
>  */
> class DerivedClass extends ParentClass {
>
>     public function method2() {}
>
> }
>
> ?>
>
> Using this files structure it doesn't work.
>
> Thank you.
>
> On 2 Jan, 14:18, Graham Charters <gchart...googlemail.com> wrote:> OK, so I should have
tried it before responding....
>
> > Get_class_methods does include methods from parent
classes.  I've just
> > tried the following example:
>
> > filename: DerivedClass.php
>
> > <?php
>
> > include 'SCA/SCA.php';
>
> > class ParentClass {
>
> >     public function method1() {}
>
> > }
>
> > /**
> >  * My service using extension
> >  *
> >  * service
> >  * binding.soap
> >  */
> > class DerivedClass extends ParentClass {
>
> >     public function method2() {}
>
> > }
>
> > ?>
>
> > When I point my browser athttp://...../Deriv
edClass.php?wsdl, it
> > returns the following, which includes both
methods.
>
> > <?xml version="1.0"
encoding="UTF-8"?>
> > <wsdl:definitions xmlns:tns2="http://DerivedClass" xmlns:wsdl="http://
> > schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlso
ap.org/wsdl/
> > soap/" xmlnssi=&q
uot;http:
//www.w3.org/2001/XMLSchema-instance"
> > targetNamespace="http://DerivedClass&quo
t;>
> >   <types>
> >     <xs:schema xmlnss=&qu
ot;http://www.w3.
org/2001/XMLSchema"
> >       targetNamespace="http://DerivedClass"
> >      
elementFormDefault="qualified">
> >       <xs:element name="method2">
> >         <xs:complexType>
> >           <xs:sequence>
> >           </xs:sequence>
> >         </xs:complexType>
> >       </xs:element>
>
> >       <xs:element
name="method2Response">
> >         <xs:complexType>
> >           <xs:sequence>
> >           </xs:sequence>
> >         </xs:complexType>
> >       </xs:element>
> >       <xs:element name="method1">
> >         <xs:complexType>
> >           <xs:sequence>
>
> >           </xs:sequence>
> >         </xs:complexType>
> >       </xs:element>
> >       <xs:element
name="method1Response">
> >         <xs:complexType>
> >           <xs:sequence>
> >           </xs:sequence>
> >         </xs:complexType>
> >       </xs:element>
>
> >     </xs:schema>
> >   </types>
>
> >   <wsdl:message
name="method2Request">
> >     <wsdl:part name="method2Request"
element="tns2:method2"/>
> >   </wsdl:message>
> >   <wsdl:message
name="method2Response">
> >     <wsdl:part name="return"
element="tns2:method2Response"/>
> >   </wsdl:message>
>
> >   <wsdl:message
name="method1Request">
> >     <wsdl:part name="method1Request"
element="tns2:method1"/>
> >   </wsdl:message>
> >   <wsdl:message
name="method1Response">
> >     <wsdl:part name="return"
element="tns2:method1Response"/>
> >   </wsdl:message>
> >   <wsdl:portType
name="DerivedClassPortType">
> >     <wsdl:operation
name="method2">
> >       <wsdl:input
message="tns2:method2Request"/>
>
> >       <wsdl:output
message="tns2:method2Response"/>
> >     </wsdl:operation>
> >     <wsdl:operation
name="method1">
> >       <wsdl:input
message="tns2:method1Request"/>
> >       <wsdl:output
message="tns2:method1Response"/>
> >     </wsdl:operation>
> >   </wsdl:portType>
> >   <wsdl:binding
name="DerivedClassBinding"
> > type="tns2erivedCl
assPortType">
> >     <soap:binding transport="http://sch
emas.xmlsoap.org/soap/http"
> > style="document"/>
>
> >     <wsdl:operation
name="method2">
> >       <soap:operation
soapAction=""/>
> >       <wsdl:input>
> >         <soap:body
use="literal"/>
> >       </wsdl:input>
> >       <wsdl:output>
> >         <soap:body
use="literal"/>
> >       </wsdl:output>
> >     </wsdl:operation>
>
> >     <wsdl:operation
name="method1">
> >       <soap:operation
soapAction=""/>
> >       <wsdl:input>
> >         <soap:body
use="literal"/>
> >       </wsdl:input>
> >       <wsdl:output>
> >         <soap:body
use="literal"/>
> >       </wsdl:output>
> >     </wsdl:operation>
>
> >   </wsdl:binding>
> >   <wsdl:service
name="DerivedClassService">
> >     <wsdl:port
name="DerivedClassPort"
> > binding="tns2erivedCl
assBinding">
> >       <soap:address location="http://localhost/bugs/
extends/
> > DerivedClass.php"/>
> >     </wsdl:port>
> >   </wsdl:service>
> > </wsdl:definitions>
>
> > <!-- this line identifies this file as WSDL
generated by SCA for PHP.
> > Do not remove -->
>
> > Can you give this example a try and see what
happens?
>
> > Regards,
>
> > Graham.
>
> > On 2 Jan, 17:07, Graham Charters <gchart...googlemail.com> wrote:
>
> > > Hi,
>
> > > Sorry for not getting back to you sooner. 
Extends is not something
> > > I'm aware of being supported.  The
SCA_AnnotationReader uses
> > > get_class_methods to return the methods which
the class may expose
> > > (depends on whether they're public or are
restricted using an
> > > interface).  I haven't tried it yet, but my
guess is this doesn't
> > > return methods defined by the parent class. 
If this is the case, then
> > > this code would need updating to include
parent classes when
> > > determining the candidate methods to be
exposed.
>
> > > I hope this helps.
>
> > > Graham.
>
> > > On 21 Dec 2007, 15:24, aouriques
<mundopi...gmail.com> wrote:
>
> > > > Hello,
>
> > > > I would like to know how can I use the
"extends" for services.
> > > > I have a Customer service that extends
the User service.
>
> > > > /**
> > > > ....
> > > >  * service
> > > >  * binding.soap
> > > >  * locationhttp://mydomain.
com/SOA/Customer.php
> > > > */
> > > > class Customer extends User {
> > > > ...
>
> > > > }
>
> > > > What should I add into the comments or
what should I to do when using
> > > > an extension?
> > > > When I use the Customer alone it works
fine, but when I use the
> > > > Customer with the extension the WSDL is
not generated.
>
> > > > Thank you!
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