[jira] Created: (IBATISNET-283) Result mappings should work with interfaces when QueryForObject is passed an existing object

[Richard Banks (JIRA)]

Result mappings should work with interfaces when QueryForObject is passed an 
existing object
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                 Key: IBATISNET-283
                 URL: https://issues.apache.org/jira/browse/IBATISNET-283
             Project: iBatis for .NET
          Issue Type: Bug
          Components: DataMapper
    Affects Versions: DataMapper 1.6.1
            Reporter: Richard Banks


In the IBatisNet.DataMapper.DataExchange.DotNetObjectDataExchange class the 
method public override void SetData(ref object target, ResultProperty mapping, 
object dataBaseValue)
 does a check against types using this statement:

   if ((type != this._parameterClass) && 
!type.IsSubclassOf(this._parameterClass))

The problem here is that IsSubclassOf doesn't check for interface 
implementations.  When  _parameterClass is an interface you also need to check 
using 

type.GetInterfaces().Contains(this._parameterClass)

This would then allow for result mappings to use interfaces, which is really 
useful when you are using an IoC container to instantiate the class being 
populated, for example:

ISale sale = Container.Resolve<ISale>();
...
Mapper.Instance().QueryForObject<ISale>("uspSelectSale", saleNumber, sale);


Thanks

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