public static T GetMergedDataValue <T>(this IMergedData mergedData, string key, T defaultValue)
{
if (mergedData.MergedDataValues == null)
{
return(defaultValue);
}
if (mergedData.MergedDataIgnore)
{
return(defaultValue);
}
if (mergedData is BaseEntity && HostingEnvironment.IsHosted)
{
// This is absolutely bad coding! But I don't see any alternatives.
// When the passed object is a (EF)-trackable entity,
// we cannot return the merged value while EF performs
// change detection, because entity properties could be set to modified,
// where in fact nothing has changed.
var dbContext = EngineContext.Current.Resolve <IDbContext>();
if (dbContext.IsDetectingChanges())
{
return(defaultValue);
}
}
object value;
if (mergedData.MergedDataValues.TryGetValue(key, out value))
{
return((T)value);
}
return(defaultValue);
}
public static T GetMergedDataValue <T>(this IMergedData mergedData, string key, T defaultValue)
{
if (mergedData.MergedDataValues != null && !mergedData.MergedDataIgnore)
{
object value;
if (mergedData.MergedDataValues.TryGetValue(key, out value))
{
return((T)value);
}
}
return(defaultValue);
}