private ProjectorInfo ProduceProjectorInfoFromType(AggregateInfo aggregateInfo, AggregateViewInfo aggregateViewInfo, Type projectorType)
{
var projectorInfo = new ProjectorInfo(projectorType, aggregateViewInfo, aggregateInfo.IsRoot);
var eventTypes = projectorInfo.Type.GetTypeInfo().DeclaredMethods
.SelectMany(m => m.GetParameters())
.Select(p => p.ParameterType)
.Where(t => t.GetTypeInfo().IsSubclassOf(typeof(AggregateEvent)))
.Distinct();
projectorInfo.Events = eventTypes.Select(t => _logicSchema.GetAggregateEvent(t)).ToImmutableHashSet();
return(projectorInfo);
}
public AggregateLogicInfo(Type aggregateLogicType, AggregateInfo aggregateFromLanguage) : base(aggregateLogicType)
{
if (!aggregateLogicType.GetTypeInfo().IsSubclassOf(typeof(Aggregate)))
{
throw new ArgumentOutOfRangeException(nameof(aggregateLogicType));
}
AggregateFromLanguage = aggregateFromLanguage ?? throw new ArgumentNullException(nameof(aggregateFromLanguage));
if (Id != AggregateFromLanguage.Id)
{
throw new LogicSchemaException("Aggregate identifiers from domain language and logic differs");
}
Name = AggregateFromLanguage.Name;
Dependencies = new ReadOnlyDictionary <CommandInfo, IReadOnlyCollection <ServiceInfo> >(new Dictionary <CommandInfo, IReadOnlyCollection <ServiceInfo> >());
}
public AggregateLogicInfo GetAggregate(AggregateInfo aggregateInfo)
{
if (aggregateInfo == null)
{
throw new ArgumentNullException(nameof(aggregateInfo));
}
var aggregate = Aggregates.SingleOrDefault(x => x.AggregateFromLanguage == aggregateInfo);
if (aggregate == null)
{
throw new LogicSchemaException($"No aggregate '{aggregateInfo.Name}' found in domain logic");
}
return(aggregate);
}
private AggregateInfo ProduceAggregateInfoFromType(Type aggregateType)
{
var aggregateInfo = new AggregateInfo(aggregateType);
var nested = aggregateType.GetTypeInfo().DeclaredNestedTypes;
var commandTypes = nested.Where(x => x.IsSubclassOf(typeof(Command)));
aggregateInfo.Commands = commandTypes.Select(x => new CommandInfo(x)).ToImmutableHashSet();
var viewTypes = nested.Where(x => x.IsSubclassOf(typeof(AggregateView)));
aggregateInfo.Views = viewTypes.Select(x => new AggregateViewInfo(x, aggregateInfo.IsRoot)).ToImmutableHashSet();
foreach (var viewInfo in aggregateInfo.Views)
{
var queryTypes = viewInfo.Type.GetTypeInfo().DeclaredNestedTypes.Where(x => typeof(Query).GetTypeInfo().IsAssignableFrom(x));
viewInfo.Queries = queryTypes.Select(x => new QueryInfo(x)).ToImmutableHashSet();
}
return(aggregateInfo);
}
private AggregateLogicInfo ProduceAggregateLogicInfoFromType(AggregateInfo aggregateInfo, Type aggregateLogicType)
{
var aggregateLogicInfo = new AggregateLogicInfo(aggregateLogicType, aggregateInfo);
var commandHandlersWithDependencies = aggregateLogicInfo.Type.GetTypeInfo().DeclaredMethods
.Where(m => m.GetParameters().Length > 1)
.Where(m => m.GetParameters().Any(p => p.ParameterType.GetTypeInfo().IsSubclassOf(typeof(Command))));
foreach (var handler in commandHandlersWithDependencies)
{
var commandParam = handler.GetParameters().Single(p => p.ParameterType.GetTypeInfo().IsSubclassOf(typeof(Command)));
var commandInfo = _languageSchema.GetCommand(commandParam.ParameterType);
var serviceParams = handler.GetParameters().Where(p =>
{
var t = p.ParameterType.GetTypeInfo();
if (t.IsArray)
{
t = t.GetElementType().GetTypeInfo();
}
return(t.IsSubclassOf(typeof(Service)));
});
_dependencies.Add(commandInfo, new List <Type>());
foreach (var serviceType in serviceParams.Select(p => p.ParameterType))
{
var t = serviceType.IsArray ? serviceType.GetElementType() : serviceType;
_dependencies[commandInfo].Add(t);
}
}
var eventTypes = aggregateLogicType.GetTypeInfo().DeclaredNestedTypes.Where(x => x.IsSubclassOf(typeof(AggregateEvent)));
aggregateLogicInfo.Events = eventTypes.Select(x => new AggregateEventInfo(x)).ToImmutableHashSet();
return(aggregateLogicInfo);
}
