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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 34444] New: - [betwixt] Betwixt does not support polymorhpic types in collections
Date Wed, 13 Apr 2005 21:12:54 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=34444

           Summary: [betwixt] Betwixt does not support polymorhpic types in
                    collections
           Product: Commons
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Betwixt
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: tomdz@apache.org


Say a class A has a collection with elements of an interface type B which has
two subtypes:

class A
{
  private List bs;

  public Iterator getBs();
  public void addB(B b);
}

interface B
{}

class C implements B
{}

class D implements B
{}

with the following mapping

<?xml version="1.0"?>
<betwixt-config>
  <class name="A">
    <element name="a">
      <element property="bs"/>
    </element>
  </class>
  <class name="C">
    <element name="c"/>
  </class>
  <class name="D">
    <element name="d"/>
  </class>
</betwixt-config>

However for an instance of A with both instances of C and D in the collection,
no c or d sub elements are generated but B elements instead.
The attached unit test exemplifies this.

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