private static Expression GetIdentifierOrNull(
Type type,
Expression parameter,
IMemberMapperData mapperData,
ICache <TypeKey, Expression> cache)
{
return(cache.GetOrAdd(TypeKey.ForTypeId(type), key =>
{
var configuredIdentifier =
mapperData.MapperContext.UserConfigurations.Identifiers.GetIdentifierOrNullFor(key.Type);
if (configuredIdentifier != null)
{
return configuredIdentifier.ReplaceParameterWith(parameter);
}
var identifier = GlobalContext.Instance.MemberFinder.GetIdentifierOrNull(key);
return identifier?.GetAccess(parameter);
}));
}
public static Expression GetIdentifierOrNull(
this MapperContext context,
Expression subject,
ICache <TypeKey, Expression> cache = null)
{
var typeIdsCache = cache ?? context.Cache.CreateScopedWithHashCodes <TypeKey, Expression>();
return(typeIdsCache.GetOrAdd(TypeKey.ForTypeId(subject.Type), key =>
{
var configuredIdentifier =
context.UserConfigurations.Identifiers.GetIdentifierOrNullFor(key.Type);
if (configuredIdentifier != null)
{
return configuredIdentifier.ReplaceParameterWith(subject);
}
var identifier = context.GetIdentifierOrNull(key.Type);
return identifier?.GetAccess(subject);
}));
}
