void Activity <TInstance> .Execute <T>(Composer composer, TInstance instance, T value)
{
composer.Execute(() =>
{
Activity <TInstance> activity = _activityFactory();
return(composer.ComposeActivity(activity, instance));
});
}
void Activity <TInstance, TData> .Execute(Composer composer, TInstance instance, TData value)
{
composer.Execute(() =>
{
if (_filterExpression(value) == false)
{
return(composer.ComposeCompleted());
}
return(composer.ComposeActivity(_activity, instance, value));
});
}
void Activity <TInstance> .Execute <T>(Composer composer, TInstance instance, T value)
{
composer.Execute(() =>
{
object dataValue = value;
if (dataValue == null)
{
throw new ArgumentNullException("value", "The data argument cannot be null");
}
if (!(dataValue is TData))
{
string message = "Expected Type " + typeof(TData).Name + " but was " + value.GetType().Name;
throw new ArgumentException(message, "value");
}
return(composer.ComposeActivity(_activity, instance, (TData)dataValue));
});
}