/// <summary>
/// Checking the equality of facts.
/// </summary>
/// <typeparam name="TWantAction"></typeparam>
/// <typeparam name="TFactContainer"></typeparam>
/// <param name="first"></param>
/// <param name="second"></param>
/// <param name="context"></param>
/// <returns></returns>
public virtual bool EqualsFacts <TWantAction, TFactContainer>(IFact first, IFact second, IWantActionContext <TWantAction, TFactContainer> context)
where TWantAction : IWantAction
where TFactContainer : IFactContainer
{
if (first == null && second == null)
{
return(true);
}
if (!FactEqualityComparer.EqualsFacts(first, second, cache: context.Cache, includeFactParams: false))
{
return(false);
}
IReadOnlyCollection <IFactParameter> firstParameters = first.GetParameters();
IReadOnlyCollection <IFactParameter> secondParameters = second.GetParameters();
if (firstParameters.IsNullOrEmpty() && secondParameters.IsNullOrEmpty())
{
return(true);
}
if (firstParameters.IsNullOrEmpty() || secondParameters.IsNullOrEmpty())
{
return(false);
}
if (firstParameters.Count != secondParameters.Count)
{
return(false);
}
foreach (IFactParameter xParameter in firstParameters)
{
bool found = false;
foreach (IFactParameter yParameter in secondParameters)
{
if (EqualsFactParameters(xParameter, yParameter, context))
{
found = true;
break;
}
}
if (!found)
{
return(false);
}
}
return(true);
}
