+ <field name="attributes" collection="map">
+ <bind-xml name="attribute" location="attributes">
+ <class name="org.exolab.castor.mapping.MapItem">
+ <map-to
+ ns-uri="http://argeo.org/projects/slc/schemas" ns-prefix="slc" />
+ <field name="key" type="string">
+ <bind-xml name="name" node="attribute" />
+ </field>
+ <field name="value" type="string">
+ <bind-xml node="text" />
+ </field>
+ </class>
+ </bind-xml>
+ </field>