<DataSource
    ID="supplyItemCustomHB"
    serverType="hibernate"
    tableName="supplyItemHB"
>
    <fields>
        <field name="itemID"      type="sequence" hidden="true"       primaryKey="true"/>
        <field name="itemName"    type="text"     title="Item"        length="128"       required="true"/>
        <field name="SKU"         type="text"     title="SKU"         length="10"        required="true">
            <validators>
        	    <validator type="serverCustom">
        	        <errorMessage>Custom Groovy validation: minimum length is 6</errorMessage>
        	        
                    <serverCondition language="groovy"><![CDATA[
                        value.length() >= 6
                    ]]></serverCondition>
                </validator>
        	</validators>
        </field>
        <field name="description" type="text"     title="Description" length="2000"/>
        <field name="category"    type="text"     title="Category"    length="128"       required="true"
               foreignKey="supplyCategory.categoryName"/>
        <field name="units"       type="enum"     title="Units"       length="5">
            <valueMap>
                <value>Roll</value>
                <value>Ea</value>
                <value>Pkt</value>
                <value>Set</value>
                <value>Tube</value>
                <value>Pad</value>
                <value>Ream</value>
                <value>Tin</value>
                <value>Bag</value>
                <value>Ctn</value>
                <value>Box</value>
            </valueMap>
        </field>
        <field name="unitCost"    type="float"    title="Unit Cost"   required="true">
            <validators>
                <validator type="floatRange" min="0" errorMessage="Please enter a valid (positive) cost"/>
                <validator type="floatPrecision" precision="2" errorMessage="The maximum allowed precision is 2"/>
            </validators>
        </field>
        <field name="inStock"   type="boolean"  title="In Stock"/>
        <field name="nextShipment"  type="date" title="Next Shipment"/>
    </fields>
</DataSource>