public override void Unregister(V extension, ConversionKey key)
{
ParamChecker.AssertParamNotNull(extension, "extension");
ParamChecker.AssertParamNotNull(key, "key");
Object writeLock = GetWriteLock();
lock (writeLock)
{
base.Unregister(extension, key);
ClassTupleEntry <V> classEntry = CopyStructure();
HashMap <Strong2Key <V>, List <Def2Entry <V> > > definitionReverseMap = classEntry.definitionReverseMap;
List <Def2Entry <V> > weakEntriesOfStrongType = definitionReverseMap.Remove(new Strong2Key <V>(extension, key));
if (weakEntriesOfStrongType == null)
{
return;
}
HashMap <ConversionKey, Object> typeToDefEntryMap = classEntry.typeToDefEntryMap;
for (int a = weakEntriesOfStrongType.Count; a-- > 0;)
{
Def2Entry <V> defEntry = weakEntriesOfStrongType[a];
ConversionKey registeredKey = new ConversionKey(defEntry.sourceType, defEntry.targetType);
Object value = typeToDefEntryMap.Get(registeredKey);
InterfaceFastList <Def2Entry <V> > list = (InterfaceFastList <Def2Entry <V> >)value;
list.Remove(defEntry);
if (list.Count == 0)
{
typeToDefEntryMap.Remove(registeredKey);
}
TypeToDefEntryMapChanged(classEntry, registeredKey);
}
this.classEntry = classEntry;
}
}
public override V GetExtension(ConversionKey key)
{
Object extension = this.classEntry.Get(key);
if (extension == null)
{
Object writeLock = GetWriteLock();
lock (writeLock)
{
extension = this.classEntry.Get(key);
if (extension == null)
{
ClassTupleEntry <V> classEntry = CopyStructure();
classEntry.Put(key, alreadyHandled);
classEntry.typeToDefEntryMap.Put(key, alreadyHandled);
CheckToWeakRegisterExistingExtensions(key, classEntry);
this.classEntry = classEntry;
extension = classEntry.Get(key);
if (extension == null)
{
return(default(V));
}
}
}
}
if (Object.ReferenceEquals(extension, alreadyHandled))
{
// Already tried
return(default(V));
}
return((V)extension);
}
protected ClassTupleEntry <V> CopyStructure()
{
ClassTupleEntry <V> newClassEntry = new ClassTupleEntry <V>();
HashMap <ConversionKey, Object> newTypeToDefEntryMap = newClassEntry.typeToDefEntryMap;
HashMap <Strong2Key <V>, List <Def2Entry <V> > > newDefinitionReverseMap = newClassEntry.definitionReverseMap;
IdentityHashMap <Def2Entry <V>, Def2Entry <V> > originalToCopyMap = new IdentityHashMap <Def2Entry <V>, Def2Entry <V> >();
foreach (Entry <ConversionKey, Object> entry in classEntry.typeToDefEntryMap)
{
ConversionKey key = entry.Key;
Object value = entry.Value;
if (Object.ReferenceEquals(value, alreadyHandled))
{
newTypeToDefEntryMap.Put(key, alreadyHandled);
}
else
{
InterfaceFastList <Def2Entry <V> > list = (InterfaceFastList <Def2Entry <V> >)value;
InterfaceFastList <Def2Entry <V> > newList = new InterfaceFastList <Def2Entry <V> >();
IListElem <Def2Entry <V> > pointer = list.First;
while (pointer != null)
{
Def2Entry <V> defEntry = pointer.ElemValue;
Def2Entry <V> newDefEntry = new Def2Entry <V>(defEntry.extension, defEntry.sourceType, defEntry.targetType, defEntry.sourceDistance, defEntry.targetDistance);
originalToCopyMap.Put(defEntry, newDefEntry);
newList.PushLast(newDefEntry);
pointer = pointer.Next;
}
newTypeToDefEntryMap.Put(key, newList);
}
TypeToDefEntryMapChanged(newClassEntry, key);
}
foreach (Entry <Strong2Key <V>, List <Def2Entry <V> > > entry in classEntry.definitionReverseMap)
{
List <Def2Entry <V> > defEntries = entry.Value;
List <Def2Entry <V> > newDefEntries = new List <Def2Entry <V> >(defEntries.Count);
for (int a = 0, size = defEntries.Count; a < size; a++)
{
Def2Entry <V> newDefEntry = originalToCopyMap.Get(defEntries[a]);
if (newDefEntry == null)
{
throw new Exception("Must never happen");
}
newDefEntries.Add(newDefEntry);
}
newDefinitionReverseMap.Put(entry.Key, newDefEntries);
}
return(newClassEntry);
}
public override void Register(V extension, ConversionKey key)
{
ParamChecker.AssertParamNotNull(extension, "extension");
ParamChecker.AssertParamNotNull(key, "key");
Object writeLock = GetWriteLock();
lock (writeLock)
{
base.Register(extension, key);
ClassTupleEntry <V> classEntry = CopyStructure();
AppendRegistration(key, key, extension, 0, 0, classEntry);
CheckToWeakRegisterExistingTypes(key, extension, classEntry);
CheckToWeakRegisterExistingExtensions(key, classEntry);
this.classEntry = classEntry;
}
}
protected bool AppendRegistration(ConversionKey strongTypeKey, ConversionKey key, V extension, int sourceDistance, int targetDistance,
ClassTupleEntry <V> classEntry)
{
HashMap <ConversionKey, Object> typeToDefEntryMap = classEntry.typeToDefEntryMap;
Object fastList = typeToDefEntryMap.Get(key);
if (fastList != null && fastList != alreadyHandled)
{
IListElem <Def2Entry <V> > pointer = ((InterfaceFastList <Def2Entry <V> >)fastList).First;
while (pointer != null)
{
Def2Entry <V> existingDefEntry = pointer.ElemValue;
if (Object.ReferenceEquals(existingDefEntry.extension, extension) && existingDefEntry.sourceDistance == sourceDistance &&
existingDefEntry.targetDistance == targetDistance)
{
// DefEntry already exists with same distance
return(false);
}
pointer = pointer.Next;
}
}
if (fastList == null || Object.ReferenceEquals(fastList, alreadyHandled))
{
fastList = new InterfaceFastList <Def2Entry <V> >();
typeToDefEntryMap.Put(key, fastList);
}
Def2Entry <V> defEntry = new Def2Entry <V>(extension, key.SourceType, key.TargetType, sourceDistance, targetDistance);
HashMap <Strong2Key <V>, List <Def2Entry <V> > > definitionReverseMap = classEntry.definitionReverseMap;
Strong2Key <V> strongKey = new Strong2Key <V>(extension, strongTypeKey);
List <Def2Entry <V> > typeEntries = definitionReverseMap.Get(strongKey);
if (typeEntries == null)
{
typeEntries = new List <Def2Entry <V> >();
definitionReverseMap.Put(strongKey, typeEntries);
}
typeEntries.Add(defEntry);
InterfaceFastList <Def2Entry <V> > .InsertOrdered((InterfaceFastList <Def2Entry <V> >) fastList, defEntry);
TypeToDefEntryMapChanged(classEntry, key);
return(true);
}
protected void TypeToDefEntryMapChanged(ClassTupleEntry <V> classEntry, ConversionKey key)
{
Object obj = classEntry.typeToDefEntryMap.Get(key);
if (obj == null)
{
classEntry.Remove(key);
return;
}
if (obj == alreadyHandled)
{
classEntry.Put(key, alreadyHandled);
return;
}
if (obj is Def2Entry <V> )
{
classEntry.Put(key, ((Def2Entry <V>)obj).extension);
return;
}
Def2Entry <V> firstDefEntry = ((InterfaceFastList <Def2Entry <V> >)obj).First.ElemValue;
classEntry.Put(key, firstDefEntry.extension);
}
protected bool CheckToWeakRegisterExistingTypes(ConversionKey key, V extension, ClassTupleEntry <V> classEntry)
{
bool changesHappened = false;
foreach (Entry <ConversionKey, Object> entry in classEntry.typeToDefEntryMap)
{
ConversionKey existingRequestedKey = entry.Key;
int sourceDistance = ClassExtendableContainer <V> .GetDistanceForType(existingRequestedKey.SourceType, key.SourceType);
if (sourceDistance == ClassExtendableContainer <V> .NO_VALID_DISTANCE)
{
continue;
}
int targetDistance = ClassExtendableContainer <V> .GetDistanceForType(key.TargetType, existingRequestedKey.TargetType);
if (targetDistance == ClassExtendableContainer <V> .NO_VALID_DISTANCE)
{
continue;
}
changesHappened |= AppendRegistration(key, existingRequestedKey, extension, sourceDistance, targetDistance, classEntry);
}
return(changesHappened);
}
protected bool CheckToWeakRegisterExistingExtensions(ConversionKey conversionKey, ClassTupleEntry <V> classEntry)
{
bool changesHappened = false;
foreach (Entry <Strong2Key <V>, List <Def2Entry <V> > > entry in classEntry.definitionReverseMap)
{
Strong2Key <V> strongKey = entry.Key;
ConversionKey registeredStrongKey = strongKey.key;
int sourceDistance = ClassExtendableContainer <V> .GetDistanceForType(conversionKey.SourceType, registeredStrongKey.SourceType);
if (sourceDistance == ClassExtendableContainer <V> .NO_VALID_DISTANCE)
{
continue;
}
int targetDistance = ClassExtendableContainer <V> .GetDistanceForType(registeredStrongKey.TargetType, conversionKey.TargetType);
if (targetDistance == ClassExtendableContainer <V> .NO_VALID_DISTANCE)
{
continue;
}
List <Def2Entry <V> > defEntries = entry.Value;
for (int a = defEntries.Count; a-- > 0;)
{
Def2Entry <V> defEntry = defEntries[a];
changesHappened |= AppendRegistration(registeredStrongKey, conversionKey, defEntry.extension, sourceDistance, targetDistance, classEntry);
}
}
return(changesHappened);
}