Hi
I am looking into castor for our project and would like to find out, how n x
m cross-refrencing works. Most probably I have overseen some important
point. Status: I defined an xsd and an xml (sample below) where I would like
to reference mor items from within tax items, and vice-versa. I found some
hints in this newsgroup (expecially
http://www.mail-archive.com/[email protected]/msg00418.html) and I
therefore used
<xsd:attribute name="tax" type="xsd:IDREFS"/>
to reference the objects and
<xsd:attribute name="id" type="xsd:ID"/>
to identify them. The classes do compile well, and no exceptions are thrown.
But it seems that I did not understand the system quite well, as during
unmarshalling the vectors of the cross referenced objects are not filled and
are empty.
I would appreciate to know the missing link? Does anybody can help me.
Thanks in advance
Daniel Frey
============================================================================
============
<?xml version="1.0" encoding="UTF-8"?>
<data>
<tax ID="T1" mor="M1">
<level>1</level>
<name>Keine Taxa</name>
<rank>0</rank>
<tax ID="T2" mor="">
<level>2</level>
<name>Lichenes</name>
<rank>1020</rank>
<tax ID="T4" mor="M280 M283 M286">
<level>11</level>
<name>Cladonia rangiferina</name>
<rank>1040</rank>
</tax>
</tax>
</tax>
<mor ID="M1" tax="T1">
<name>Morphologie</name>
<type>3</type>
<mor ID="M274" tax="">
<name>Thallus</name>
<type>3</type>
<mor ID="M278" tax="">
<name>Form</name>
<type>2</type>
<mor ID="M280" tax="T4">
<name>fl�chig, blattartig</name>
<text>Thallus blattartig, �
flach</text>
<type>1</type>
</mor>
</mor>
<mor ID="M282" tax="">
<name>Farbe</name>
<type>2</type>
<mor ID="M283" tax="T4">
<name>gr�nlich bis braun</name>
<text>Thallus gr�nlich bis
braun</text>
<type>1</type>
</mor>
</mor>
<mor ID="M285" tax="">
<name>Wuchsform</name>
<type>2</type>
<mor ID="M286" tax="T4">
<name>aufsteigend</name>
<text>Thallus aufsteigend</text>
<type>1</type>
</mor>
</mor>
</mor>
</mor>
</data>
============================================================================
============
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified">
<xsd:element name="name" type="xsd:string"/>
<xsd:element name="text" type="xsd:string"/>
<xsd:element name="type" type="xsd:int"/>
<xsd:element name="level" type="xsd:int"/>
<xsd:element name="rank" type="xsd:int"/>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="tax"/>
<xsd:element ref="mor"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="mor">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="name"/>
<xsd:element ref="text" minOccurs="0"/>
<xsd:element ref="type"/>
<xsd:element ref="mor" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:attribute name="tax" type="xsd:IDREFS"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="tax">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="name"/>
<xsd:element ref="level"/>
<xsd:element ref="rank"/>
<xsd:element ref="tax" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID"/>
<xsd:attribute name="mor" type="xsd:IDREFS"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>
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