/// <summary>
/// If <see cref="IsReadOnly"/> is true then throw <see cref="FactFactoryException"/>.
/// </summary>
/// <exception cref="FactFactoryException">If <see cref="IsReadOnly"/> is true.</exception>
protected virtual void CheckReadOnly()
{
if (IsReadOnly)
{
throw CommonHelper.CreateException(ErrorCode.InvalidOperation, $"Fact container is read-only.");
}
}
/// <inheritdoc/>
/// <exception cref="FactFactoryException">Did not find fact type <typeparamref name="TFact"/>.</exception>
/// <returns></returns>
public virtual TFact GetFact <TFact>() where TFact : IFact
{
if (TryGetFact <TFact>(out var fact))
{
return(fact);
}
throw CommonHelper.CreateException(ErrorCode.InvalidData, $"Not found type fact with type {GetFactType<TFact>().FactName}.");
}
private void InnerAdd <TFact>(TFact fact, IEqualityComparer <IFact> comparer) where TFact : IFact
{
IFactType factType = fact.GetFactType();
if (ContainerList.Contains(fact, comparer))
{
throw CommonHelper.CreateException(ErrorCode.InvalidData, $"The fact container already contains '{factType.FactName}' fact.");
}
ContainerList.Add(fact);
}
/// <inheritdoc/>
public TWantAction CreateWantAction <TWantAction>(Func <IEnumerable <IFact>, ValueTask> wantAction, List <IFactType> factTypes, FactWorkOption option) where TWantAction : IWantAction
{
var result = new WantAction(wantAction, factTypes, option);
if (result is TWantAction converted)
{
return(converted);
}
throw CommonHelper.CreateException(
ErrorCode.InvalidData,
$"The result of the ISingleEntityOperations.CreateWantAction cannot be converted to the type {typeof(TWantAction).Name}.");
}
/// <inheritdoc/>
public virtual TFactResult CreateRuntimeConditionFact <TFactResult>() where TFactResult : IRuntimeConditionFact
{
var type = typeof(TFact);
var resultType = typeof(TFactResult);
if (!resultType.IsAssignableFrom(type))
{
throw CommonHelper.CreateException(ErrorCode.InvalidFactType, $"{type.FullName} does not implement {resultType.FullName} type.");
}
else if (type.GetConstructor(Type.EmptyTypes) == null)
{
throw CommonHelper.CreateException(ErrorCode.InvalidFactType, $"{type.FullName} doesn't have a default constructor.");
}
return((TFactResult)Activator.CreateInstance(type, false));
}
/// <summary>
/// Error creating version incompatibility.
/// </summary>
/// <param name="versionedFact"></param>
/// <returns></returns>
protected virtual FactFactoryException CreateIncompatibilityVersionException(IVersionFact versionedFact)
{
return(CommonHelper.CreateException(ErrorCode.InvalidFactType, $"Unable to compare versions {GetFactType().FactName} and {versionedFact.GetFactType().FactName}."));
}