public void AnalyzeImplications()
{
Chains = new List <IList <Implication> >();
Implication mutex;
// parse all the implications and store in same chains the ones that
// are linked together by mutex
foreach (var implication in IB.Where(implication => implication.Mutex != string.Empty))
{
// get the mutexed implication and die if it does not exist
mutex = IB.Get(implication.Mutex);
if (mutex == null)
{
throw new BREException("Implication " +
implication.Label +
" tries to Mutex the missing implication " +
implication.Mutex);
}
// try first to find if the current implication or its mutexed one is somewhere
// in a chain, else create a new chain.
var found = false;
foreach (var chain in Chains.Where(chain => (chain.Contains(implication)) || (chain.Contains(mutex))))
{
found = true;
if (!chain.Contains(implication))
{
chain.Add(implication);
}
if (!chain.Contains(mutex))
{
chain.Add(mutex);
}
break;
}
if (found)
{
continue;
}
{
IList <Implication> chain = new List <Implication>();
chain.Add(implication);
chain.Add(mutex);
Chains.Add(chain);
}
}
// parse a second time to establish all cross references
// are linked together by mutex
foreach (var implication in IB)
{
foreach (var chain in Chains.Where(chain => chain.Contains(implication)))
{
implication.MutexChain = chain;
break;
}
}
}
public void AnalyzeImplications()
{
Chains = new List <IList <Implication> >();
Implication preconditionImplication;
bool found;
int posImplication;
int posPreconditionImplication;
// parse all the implications and analyze precondition for errors
foreach (Implication implication in IB)
{
if (implication.Precondition != String.Empty)
{
// get the precondition implication and die if it does not exist
preconditionImplication = IB.Get(implication.Precondition);
if (preconditionImplication == null)
{
throw new BREException("Implication " +
implication.Label +
" is preconditionned by the missing implication " +
implication.Precondition);
}
// check if the current implication and its precondition are not involved into
// a common mutex chain, and die if it happends
if ((implication.MutexChain != null) && (implication.MutexChain.Contains(preconditionImplication)))
{
throw new BREException("Implication " +
implication.Label +
" is preconditionned by the mutexed implication " +
preconditionImplication.Label);
}
// assign the precondition implication to save time at execution
implication.PreconditionImplication = preconditionImplication;
// try first to find if the current implication or its precondition one is somewhere
// in a chain, else create a new chain.
found = false;
foreach (IList <Implication> chain in Chains)
{
posImplication = chain.IndexOf(implication);
posPreconditionImplication = chain.IndexOf(preconditionImplication);
if ((posImplication >= 0) && (posPreconditionImplication >= 0))
{
found = true;
break;
}
else if (posImplication >= 0)
{
found = true;
chain.Insert(posImplication, preconditionImplication);
break;
}
else if (posPreconditionImplication >= 0)
{
found = true;
chain.Insert(posPreconditionImplication + 1, implication);
break;
}
}
if (!found)
{
IList <Implication> chain = new List <Implication>();
chain.Add(preconditionImplication);
chain.Add(implication);
Chains.Add(chain);
}
}
}
int salience;
foreach (IList <Implication> chain in Chains)
{
salience = chain.Count;
foreach (Implication implication in chain)
{
if (implication.Salience < salience)
{
implication.Salience = salience;
}
salience--;
}
}
}
