protected virtual object LocateFromChildContainer(IInjectionContextValueProvider valueProvider,
IExportLocatorScope scope,
StaticInjectionContext staticContext,
Type type,
object key,
IInjectionContext context,
object defaultValue,
bool useDefault,
bool isRequired)
{
var value = valueProvider.GetValueFromInjectionContext(scope, type, key, context, false);
if (value != null)
{
return(value);
}
if (scope.TryLocate(type, out value, context, withKey: key))
{
return(value);
}
if (useDefault)
{
return(defaultValue);
}
if (isRequired)
{
throw new LocateException(staticContext);
}
return(null);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="arrayExpressionCreator"></param>
/// <param name="enumerableExpressionCreator"></param>
/// <param name="wrapperExpressionCreator"></param>
/// <param name="contextValueProvider"></param>
public ActivationExpressionBuilder(IArrayExpressionCreator arrayExpressionCreator,
IEnumerableExpressionCreator enumerableExpressionCreator,
IWrapperExpressionCreator wrapperExpressionCreator,
IInjectionContextValueProvider contextValueProvider)
{
EnumerableExpressionCreator = enumerableExpressionCreator;
ArrayExpressionCreator = arrayExpressionCreator;
WrapperExpressionCreator = wrapperExpressionCreator;
_contextValueProvider = contextValueProvider;
}
