public static DerefResults commonDeref(
Identifier name,
IDictionary<Identifier,IScidentre> scidentres,
IEnumerable<ISieve> sieves,
IEnumerable<IWorker> exposes,
IScope scope )
{
DerefResults results = new DerefResults(null, null);
if( scidentres != null && scidentres.ContainsKey(name) )
results.Add( scidentres[name].deref() );
if(sieves != null)
foreach(ISieve d in sieves)
results.Add(d.deref(name));
if(exposes != null && results.worker == null) {
foreach(IWorker w in exposes) {
DerefResults exposeResults = GE.deref(w, name);
if(results.workerList == null || exposeResults.worker == null)
results.Add(exposeResults);
}
}
if(scope != null && results.worker == null) {
DerefResults scopeResults = scope.upDeref(name);
if(results.workerList == null || scopeResults.worker == null)
results.Add(scopeResults);
}
return results;
}
public void Add( DerefResults other )
{
if(other.worker != null) {
if(_worker != null)
throw new Exception("cannot add worker because already have worker");
if(_workerList != null)
throw new Exception("cannot add worker because already have workerList");
_worker = other.worker;
}
if(other.workerList != null) {
if(_worker != null)
throw new Exception("cannot add workerList because already have worker");
if(_workerList == null)
_workerList = other.workerList;
else
G.addEach(_workerList, other.workerList);
}
}