[displaytag-user] Need help with external sorting issue

[Juliana Arnolds]

Hi,
I'm having trouble performing an external sort.  I have a paginated list
containing a list of "Item" objects.  Each "Item" object contains an object,
"InnerTestClass" as shown below.  The InnerTestClass contains 2 member
variables, testId and testName.  I need to be able to perform a sort on the
testId and testName attributes of the encapsulated class, InnerTestClass.
Is this possible?

public class Item {
        // other member variables with getter and setters
    private class InnerTestClass innerClass;
    public void setInnerClass(InnerTestClass innerClass) {
        this.innerClass = innerClass;
    }
    public InnerTestClass getInnerClass() {
        return innerClass;
    }
}

I can set the default sort as "testId" and the table will render because
when it first displays the sort is null.  However, if I click on the column
entitled, "Item Name", then the query string has "sort=innerClass.testName"
when I need it to be "sort=testName".  Is there anyway to set this
explicitly or is display tag just using the property name that is set?


<display:table name="items" uid="foo" requestURI="display.spr"
sort="external" partialList="true" size="${items.fullListSize}"
pagesize="4">
    <display:column property="innerClass.testId" title="Item Uid"
sortName="testId">
        ${foo.innerClass.testId}&nbsp;
    </display:column>
    <display:column property="innerClass.testName" title="Item Name"
sortName="testName" sortable="true" headerClass="sortable">
        ${foo.innerClass.testName}&nbsp;
    </display:column>
</display:table>

Any help would be greatly appreciated --
Thanks!
J

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