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List:       xmlbeans-dev
Subject:    RE: "minOccurs", "maxOccurs" attribute not allowed error
From:       "David Remy" <dremy () bea ! com>
Date:       2004-02-15 2:23:19
Message-ID: 4B2B4C417991364996F035E1EE39E2E1085139 () uskiex01 ! amer ! bea ! com
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it looks like this schema is not ok. i looked over at the schema spec \
(http://www.w3.org/TR/xmlschema-1/#declare-namedModelGroup) and found this:

-------
Also note that in the first (named) case above no reference is made to minOccurs or \
maxOccurs: this is because the schema for schemas does not allow them on the child of \
<group> when it is named. This in turn is because the {min occurs} and {max occurs} \
                of the particles which refer to the definition are what count.
-------

which says that you cannot have a minOccurs or maxOccurs on the child of a named \
group.

in schema for schema it looks like minOccurs and maxOccurs are explicitly prohibited \
for both the named group as well as any of the children of the named group. Here is \
the relevent part of schema for schema (http://www.w3.org/2001/XMLSchema.xsd) notice \
the minOccurs and maxOccurs prohibited below ...

------------
<xs:complexType name="namedGroup">
  <xs:complexContent>
    <xs:restriction base="xs:realGroup">
      <xs:sequence>
        <xs:element ref="xs:annotation" minOccurs="0"/>
        <xs:choice>
          <xs:element name="all">
            <xs:complexType>
              <xs:complexContent>
                <xs:restriction base="xs:all">
                  <xs:group ref="xs:allModel"/>
                    <xs:attribute name="minOccurs" use="prohibited"/>
                    <xs:attribute name="maxOccurs" use="prohibited"/>
                    <xs:anyAttribute namespace="##other" processContents="lax"/>
                </xs:restriction>
              </xs:complexContent>
            </xs:complexType>
          </xs:element>	
          <xs:element name="choice" type="xs:simpleExplicitGroup"/>
          <xs:element name="sequence" type="xs:simpleExplicitGroup"/>
        </xs:choice>
      </xs:sequence>
      <xs:attribute name="name" type="xs:NCName" use="required"/>
      <xs:attribute name="ref" use="prohibited"/>
      <xs:attribute name="minOccurs" use="prohibited"/>
      <xs:attribute name="maxOccurs" use="prohibited"/>
      <xs:anyAttribute namespace="##other" processContents="lax"/>
    </xs:restriction>
  </xs:complexContent>
</xs:complexType>

<xs:complexType name="simpleExplicitGroup">
  <xs:complexContent>
    <xs:restriction base="xs:explicitGroup">
      <xs:sequence>
        <xs:element ref="xs:annotation" minOccurs="0"/>
        <xs:group ref="xs:nestedParticle" minOccurs="0" maxOccurs="unbounded"/>
      </xs:sequence>
      <xs:attribute name="minOccurs" use="prohibited"/>
      <xs:attribute name="maxOccurs" use="prohibited"/>
      <xs:anyAttribute namespace="##other" processContents="lax"/>
    </xs:restriction>
  </xs:complexContent>
</xs:complexType>


------------------------------------

-----Original Message-----
From: Sycheu@aol.com [mailto:Sycheu@aol.com]
Sent: Thursday, February 12, 2004 8:25 PM
To: xmlbeans-dev@xml.apache.org
Subject: "minOccurs", "maxOccurs" attribute not allowed error


Hi,

I am trying to use xmlbeans to generate JavaClass.
I got this error:
[xmlbean] anguage.xsd:405: error: Attribute not allowed: minOccurs in element \
choice@http://www.w3.org/2001/XMLSchema  [xmlbean] language.xsd:405: error: Attribute \
not allowed: maxOccurs in element choice@http://www.w3.org/2001/XMLSchema

Here is the part of the schema causing  the problem:
<group name="contentControlGroup">
        <choice minOccurs="0" maxOccurs="unbounded">
            <group ref="smil20lang:switchGroup"/>
            <group ref="smil20lang:prefetchGroup"/>
        </choice>
    </group>

There are other part in the same schema which uses "minOccurs", "maxOccurs" too, but \
it works, only the above case does not work. this case works!
  <choice minOccurs="0" maxOccurs="unbounded">
                    <any namespace="##other" processContents="lax"/>
                </choice>

Can someone please tell me how to resolve this?
The schema is part of a standard, so I think there should be no error in the schema \
itself.

I appreciate if anyone can help me with this issue.

Thanks.

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