public Type ExecutePendingBehaviors(Type currentContent, StringBuilder sw, IBytecodeBehavior[] pendingBehaviors,
IList <IBytecodeBehavior> cascadePendingBehaviors)
{
IBytecodeBehaviorState state = BytecodeBehaviorState.State;
Type content = BytecodeClassLoader.BuildTypeFromParent(state.NewType.ClassName, currentContent, sw, delegate(IClassVisitor cv)
{
IBytecodeBehavior[] currPendingBehaviors = pendingBehaviors;
for (int a = 0; a < currPendingBehaviors.Length; a++)
{
List <IBytecodeBehavior> remainingPendingBehaviors = new List <IBytecodeBehavior>();
for (int b = a + 1, sizeB = currPendingBehaviors.Length; b < sizeB; b++)
{
remainingPendingBehaviors.Add(currPendingBehaviors[b]);
}
IClassVisitor newCv = currPendingBehaviors[a].Extend(cv, state, remainingPendingBehaviors, cascadePendingBehaviors);
currPendingBehaviors = remainingPendingBehaviors.ToArray();
a = -1;
if (newCv != null)
{
cv = newCv;
}
}
return(cv);
});
return(content);
}
protected Type EnhanceTypeIntern(Type originalType, String newTypeNamePrefix, IList <IBytecodeBehavior> pendingBehaviors,
IEnhancementHint hint)
{
if (pendingBehaviors.Count == 0)
{
return(originalType);
}
WeakReference originalTypeR = typeToExtendedType.GetWeakReferenceEntry(originalType);
if (originalTypeR == null)
{
throw new Exception("Must never happen");
}
String lastTypeHandleName = newTypeNamePrefix;
newTypeNamePrefix = newTypeNamePrefix.Replace('.', '/');
StringBuilder sw = new StringBuilder();
try
{
Type currentType = originalType;
if (currentType.IsInterface)
{
currentType = typeof(Object);
}
for (int a = 0, size = pendingBehaviors.Count; a < size; a++)
{
Type newCurrentType = pendingBehaviors[a].GetTypeToExtendFrom(originalType, currentType, hint);
if (newCurrentType != null)
{
currentType = newCurrentType;
}
}
int iterationCount = 0;
List <BytecodeBehaviorState> pendingStatesToPostProcess = new List <BytecodeBehaviorState>();
Type currentContent = currentType; //BytecodeClassLoader.ReadTypeAsBinary(currentType);
while (pendingBehaviors.Count > 0)
{
iterationCount++;
NewType newTypeHandle = NewType.GetObjectType(newTypeNamePrefix + "$A" + iterationCount);
lastTypeHandleName = newTypeHandle.ClassName;
IBytecodeBehavior[] currentPendingBehaviors = ListUtil.ToArray(pendingBehaviors);
pendingBehaviors.Clear();
if (currentPendingBehaviors.Length > 0 && Log.DebugEnabled)
{
Log.Debug("Applying behaviors on " + newTypeHandle.ClassName + ": " + Arrays.ToString(currentPendingBehaviors));
}
BytecodeEnhancer This = this;
Type fCurrentContent = currentContent;
BytecodeBehaviorState acquiredState = null;
Type newContent = BytecodeBehaviorState.SetState(originalType, currentType, newTypeHandle, BeanContext, hint,
delegate()
{
acquiredState = (BytecodeBehaviorState)BytecodeBehaviorState.State;
return(This.ExecutePendingBehaviors(fCurrentContent, sw, currentPendingBehaviors, pendingBehaviors));
});
if (newContent == null)
{
if (pendingBehaviors.Count > 0)
{
// "fix" the iterationCount to have a consistent class name hierarchy
iterationCount--;
continue;
}
return(currentType);
}
Type newType = newContent;// BytecodeClassLoader.LoadClass(newTypeHandle.InternalName, newContent);
extendedTypeToType.Add(newType, originalTypeR);
pendingStatesToPostProcess.Add(acquiredState);
currentContent = newContent;
currentType = newType;
}
for (int a = 0, size = pendingStatesToPostProcess.Count; a < size; a++)
{
pendingStatesToPostProcess[a].PostProcessCreatedType(currentType);
}
return(currentType);
}
catch (Exception e)
{
BytecodeClassLoader.Save();
String classByteCode = sw.ToString();
if (classByteCode.Length > 0)
{
if (TraceDir != null)
{
LogBytecodeOutput(lastTypeHandleName, classByteCode);
}
else
{
throw RuntimeExceptionUtil.Mask(e, "Bytecode:\n" + classByteCode);
}
}
throw;
}
}
public Type GetEnhancedType(Type typeToEnhance, String newTypeNamePrefix, IEnhancementHint hint)
{
Type extendedType = GetEnhancedTypeIntern(typeToEnhance, hint);
if (extendedType != null)
{
return(extendedType);
}
lock (writeLock)
{
// Concurrent thread may have been faster
extendedType = GetEnhancedTypeIntern(typeToEnhance, hint);
if (extendedType != null)
{
return(extendedType);
}
if (Log.InfoEnabled)
{
Log.Info("Enhancing " + typeToEnhance + " with hint: " + hint);
}
ValueType valueType = DictionaryExtension.ValueOrDefault(typeToExtendedType, typeToEnhance);
if (valueType == null)
{
valueType = new ValueType();
typeToExtendedType.Add(typeToEnhance, valueType);
}
else
{
valueType.AddChangeCount();
newTypeNamePrefix += "_O" + valueType.ChangeCount;
}
List <IBytecodeBehavior> pendingBehaviors = new List <IBytecodeBehavior>();
IBytecodeBehavior[] extensions = bytecodeBehaviorExtensions.GetExtensions();
pendingBehaviors.AddRange(extensions);
Type enhancedType;
if (pendingBehaviors.Count > 0)
{
enhancedType = EnhanceTypeIntern(typeToEnhance, newTypeNamePrefix, pendingBehaviors, hint);
}
else
{
enhancedType = typeToEnhance;
}
WeakReference entityTypeR = typeToExtendedType.GetWeakReferenceEntry(typeToEnhance);
if (entityTypeR == null)
{
throw new Exception("Must never happen");
}
hardRefToTypes.Add(enhancedType);
hardRefToTypes.Add(typeToEnhance);
if (TraceDir != null)
{
LogBytecodeOutput(enhancedType.FullName, BytecodeClassLoader.ToPrintableBytecode(enhancedType));
}
else if (Log.DebugEnabled)
{
// note that this intentionally will only be logged to the console if the traceDir is NOT specified already
Log.Debug(BytecodeClassLoader.ToPrintableBytecode(enhancedType));
}
try
{
CheckEnhancedTypeConsistency(enhancedType);
}
catch (Exception e)
{
if (Log.ErrorEnabled)
{
Log.Error(BytecodeClassLoader.ToPrintableBytecode(enhancedType), e);
}
BytecodeClassLoader.Save();
throw;
}
WeakReference enhancedEntityTypeR = new WeakReference(enhancedType);
valueType.Put(hint, enhancedEntityTypeR);
extendedTypeToType.Add(enhancedType, entityTypeR);
if (Log.InfoEnabled)
{
Log.Info("Enhancement finished successfully with type: " + enhancedType);
}
return(enhancedType);
}
}
