protected AbstractObjectInfo(OdbType type)
{
if (type != null)
OdbTypeId = type.Id;
_odbType = type;
}
public static bool TypesAreCompatible(OdbType type1, OdbType type2)
{
if (type1 == null || type2 == null)
{
return(false);
}
if (type1.IsArray() && type2.IsArray())
{
return(TypesAreCompatible(type1.SubType, type2.SubType));
}
if (type1.Name.Equals(type2.Name))
{
return(true);
}
if (type1.IsEnum() && type2.IsEnum())
{
return(type1.GetNativeClass() == type2.GetNativeClass());
}
if (type1.IsNative() && type2.IsNative())
{
return(type1.IsEquivalent(type2));
}
if (type1.IsNonNative() && type2.IsNonNative())
{
return((type1.GetNativeClass() == type2.GetNativeClass()) ||
(type1.GetNativeClass().IsAssignableFrom(type2.GetNativeClass())));
}
return(false);
}
protected AbstractObjectInfo(OdbType type)
{
if (type != null)
{
OdbTypeId = type.Id;
}
_odbType = type;
}
private NonNativeObjectInfo(object @object, ClassInfo info, AbstractObjectInfo[] values,
long[] attributesIdentification, int[] attributeIds)
: base(OdbType.GetFromName(info.FullClassName))
{
_theObject = @object;
_classInfo = info;
_attributeValues = values;
_maxNbattributes = _classInfo.MaxAttributeId;
if (_attributeValues == null)
{
_attributeValues = new AbstractObjectInfo[_maxNbattributes];
}
_objectHeader = new ObjectInfoHeader(-1, null, null, (_classInfo != null
? _classInfo.ClassInfoId
: null), attributesIdentification, attributeIds);
}
private AbstractObjectInfo GetNativeObjectInfoInternal(OdbType type, object o, bool recursive,
IDictionary<object, NonNativeObjectInfo>
alreadyReadObjects, IIntrospectionCallback callback)
{
AbstractObjectInfo aoi = null;
if (type.IsAtomicNative())
{
if (o == null)
aoi = new NullNativeObjectInfo(type.Id);
else
aoi = new AtomicNativeObjectInfo(o, type.Id);
}
else if (type.IsArray())
{
if (o == null)
aoi = new ArrayObjectInfo(null);
else
{
// Gets the type of the elements of the array
var realArrayClassName = OdbClassNameResolver.GetFullName(o.GetType().GetElementType());
var arrayObjectInfo = recursive
? IntrospectArray(o, alreadyReadObjects, type, callback)
: new ArrayObjectInfo((object[]) o);
arrayObjectInfo.SetRealArrayComponentClassName(realArrayClassName);
aoi = arrayObjectInfo;
}
}
else if (type.IsEnum())
{
var enumObject = (Enum) o;
// Here we must check if the enum is already in the meta model. Enum must be stored in the meta
// model to optimize its storing as we need to keep track of the enum class
// for each enum stored. So instead of storing the enum class name, we can store enum class id, a long
// instead of the full enum class name string
var classInfo = GetClassInfo(enumObject.GetType());
var enumValue = enumObject.ToString();
aoi = new EnumNativeObjectInfo(classInfo, enumValue);
}
return aoi;
}
internal ClassAttributeInfo(int attributeId, string name, Type nativeClass, string fullClassName, ClassInfo info)
{
_id = attributeId;
_name = name;
SetFullClassName(fullClassName);
if (nativeClass != null)
{
_attributeType = OdbType.GetFromClass(nativeClass);
}
else
{
if (fullClassName != null)
_attributeType = OdbType.GetFromName(fullClassName);
}
_classInfo = info;
_isIndex = false;
}
internal ClassAttributeInfo(int attributeId, string name, Type nativeClass, string fullClassName, ClassInfo info)
{
_id = attributeId;
_name = name;
SetFullClassName(fullClassName);
if (nativeClass != null)
{
_attributeType = OdbType.GetFromClass(nativeClass);
}
else
{
if (fullClassName != null)
{
_attributeType = OdbType.GetFromName(fullClassName);
}
}
_classInfo = info;
_isIndex = false;
}
public static OdbType GetFromClass(Type clazz)
{
if (clazz.IsEnum)
{
return(new OdbType(Enum._isPrimitive, EnumId, OdbClassNameResolver.GetFullName(clazz), 0));
}
var className = OdbClassNameResolver.GetFullName(clazz);
// First check if it is a 'default type'
OdbType odbType;
var success = TypesByName.TryGetValue(className, out odbType);
if (success)
{
return(odbType);
}
// Then check if it is a 'non default type'
success = CacheOfTypesByName.TryGetValue(className, out odbType);
if (success)
{
return(odbType);
}
if (clazz.IsArray)
{
var type = new OdbType(Array._isPrimitive, ArrayId, Array.Name, 0)
{
_subType = GetFromClass(clazz.GetElementType())
};
return(CacheOfTypesByName.GetOrAdd(className, type));
}
var nonNative = new OdbType(NonNative._isPrimitive, NonNativeId, className, 0);
return(CacheOfTypesByName.GetOrAdd(className, nonNative));
}
private bool IsEquivalent(OdbType type2)
{
return(_id == IntegerId && type2._id == IntegerId);
}
public ClassInfoCompareResult ExtractDifferences(ClassInfo newCI, bool update)
{
string attributeName;
ClassAttributeInfo cai1;
ClassAttributeInfo cai2;
var result = new ClassInfoCompareResult(FullClassName);
IOdbList <ClassAttributeInfo> attributesToRemove = new OdbList <ClassAttributeInfo>(10);
IOdbList <ClassAttributeInfo> attributesToAdd = new OdbList <ClassAttributeInfo>(10);
var attributesCount = _attributes.Count;
for (var id = 0; id < attributesCount; id++)
{
// !!!WARNING : ID start with 1 and not 0
cai1 = _attributes[id];
if (cai1 == null)
{
continue;
}
attributeName = cai1.GetName();
cai2 = newCI.GetAttributeInfoFromId(cai1.GetId());
if (cai2 == null)
{
result.AddCompatibleChange(string.Format("Field '{0}' has been removed", attributeName));
if (update)
{
// Simply remove the attribute from meta-model
attributesToRemove.Add(cai1);
}
}
else
{
if (!OdbType.TypesAreCompatible(cai1.GetAttributeType(), cai2.GetAttributeType()))
{
result.AddIncompatibleChange(
string.Format("Type of Field '{0}' has changed : old='{1}' - new='{2}'", attributeName,
cai1.GetFullClassname(), cai2.GetFullClassname()));
}
}
}
var nbNewAttributes = newCI._attributes.Count;
for (var id = 0; id < nbNewAttributes; id++)
{
// !!!WARNING : ID start with 1 and not 0
cai2 = newCI._attributes[id];
if (cai2 == null)
{
continue;
}
attributeName = cai2.GetName();
cai1 = GetAttributeInfoFromId(cai2.GetId());
if (cai1 == null)
{
result.AddCompatibleChange("Field '" + attributeName + "' has been added");
if (update)
{
// Sets the right id of attribute
cai2.SetId(MaxAttributeId + 1);
MaxAttributeId++;
// Then adds the new attribute to the meta-model
attributesToAdd.Add(cai2);
}
}
}
_attributes.RemoveAll(attributesToRemove);
_attributes.AddAll(attributesToAdd);
FillAttributesMap();
return(result);
}
internal void SetAttributeType(OdbType attributeType)
{
_attributeType = attributeType;
}
public static OdbType GetFromClass(Type clazz)
{
if (clazz.IsEnum)
return new OdbType(Enum._isPrimitive, EnumId, OdbClassNameResolver.GetFullName(clazz), 0);
var className = OdbClassNameResolver.GetFullName(clazz);
// First check if it is a 'default type'
OdbType odbType;
var success = TypesByName.TryGetValue(className, out odbType);
if (success)
return odbType;
// Then check if it is a 'non default type'
success = CacheOfTypesByName.TryGetValue(className, out odbType);
if (success)
return odbType;
if (clazz.IsArray)
{
var type = new OdbType(Array._isPrimitive, ArrayId, Array.Name, 0)
{_subType = GetFromClass(clazz.GetElementType())};
return CacheOfTypesByName.GetOrAdd(className, type);
}
var nonNative = new OdbType(NonNative._isPrimitive, NonNativeId, className, 0);
return CacheOfTypesByName.GetOrAdd(className, nonNative);
}
protected AbstractObjectInfo(int typeId)
{
OdbTypeId = typeId;
_odbType = OdbType.GetFromId(OdbTypeId);
}
public ArrayObjectInfo(IEnumerable array, OdbType type, int componentId) : base(array, type)
{
_realArrayComponentClassName = OdbType.DefaultArrayComponentClassName;
_componentTypeId = componentId;
}
protected AbstractObjectInfo(int typeId)
{
OdbTypeId = typeId;
_odbType = OdbType.GetFromId(OdbTypeId);
}
private static ArrayObjectInfo IntropectAtomicNativeArray(object array, OdbType type)
{
var length = ((Array) array).GetLength(0);
var arrayCopy = new object[length];
for (var i = 0; i < length; i++)
{
var o = ((Array) array).GetValue(i);
if (o != null)
{
// If object is not null, try to get the exact type
var typeId = OdbType.GetFromClass(o.GetType()).Id;
var atomicNativeObjectInfo = new AtomicNativeObjectInfo(o, typeId);
arrayCopy[i] = atomicNativeObjectInfo;
}
else
{
// Else take the declared type
arrayCopy[i] = new NullNativeObjectInfo(type.Id);
}
}
return new ArrayObjectInfo(arrayCopy, OdbType.Array, type.Id);
}
private ArrayObjectInfo IntrospectArray(object array,
IDictionary<object, NonNativeObjectInfo> alreadyReadObjects,
OdbType odbType, IIntrospectionCallback callback)
{
var length = ((Array) array).GetLength(0);
var elementType = array.GetType().GetElementType();
var type = OdbType.GetFromClass(elementType);
if (type.IsAtomicNative())
return IntropectAtomicNativeArray(array, type);
var arrayCopy = new object[length];
for (var i = 0; i < length; i++)
{
var o = ((Array) array).GetValue(i);
if (o != null)
{
var classInfo = GetClassInfo(o.GetType());
var abstractObjectInfo = GetObjectInfo(o, classInfo, true, alreadyReadObjects, callback);
arrayCopy[i] = abstractObjectInfo;
}
else
arrayCopy[i] = NullNativeObjectInfo.GetInstance();
}
return new ArrayObjectInfo(arrayCopy, odbType, type.Id);
}
public static bool TypesAreCompatible(OdbType type1, OdbType type2)
{
if (type1 == null || type2 == null)
return false;
if (type1.IsArray() && type2.IsArray())
return TypesAreCompatible(type1.SubType, type2.SubType);
if (type1.Name.Equals(type2.Name))
return true;
if (type1.IsEnum() && type2.IsEnum())
return type1.GetNativeClass() == type2.GetNativeClass();
if (type1.IsNative() && type2.IsNative())
return type1.IsEquivalent(type2);
if (type1.IsNonNative() && type2.IsNonNative())
return (type1.GetNativeClass() == type2.GetNativeClass()) ||
(type1.GetNativeClass().IsAssignableFrom(type2.GetNativeClass()));
return false;
}
public override string ToString()
{
var buffer = new StringBuilder(_classInfo.FullClassName).Append("(").Append(GetOid()).Append(")=");
if (_attributeValues == null)
{
buffer.Append("null attribute values");
return(buffer.ToString());
}
for (var i = 0; i < _attributeValues.Length; i++)
{
if (i != 0)
{
buffer.Append(",");
}
var attributeName = (_classInfo != null
? (_classInfo.GetAttributeInfo(i)).GetName()
: "?");
buffer.Append(attributeName).Append("=");
object @object = _attributeValues[i];
if (@object == null)
{
buffer.Append(" null object - should not happen , ");
}
else
{
var type = OdbType.GetFromClass(_attributeValues[i].GetType());
if (@object is NonNativeNullObjectInfo)
{
buffer.Append("null");
continue;
}
if (@object is NonNativeDeletedObjectInfo)
{
buffer.Append("deleted object");
continue;
}
var noi = @object as NativeObjectInfo;
if (noi != null)
{
buffer.Append(noi);
continue;
}
var nnoi = @object as NonNativeObjectInfo;
if (nnoi != null)
{
buffer.Append("@").Append(nnoi.GetClassInfo().FullClassName).Append("(id=").Append(
nnoi.GetOid()).Append(")");
continue;
}
if (@object is ObjectReference)
{
buffer.Append(@object);
continue;
}
buffer.Append("@").Append(OdbClassNameResolver.GetClassName(type.Name));
}
}
return(buffer.ToString());
}
private bool IsEquivalent(OdbType type2)
{
return (_id == IntegerId && type2._id == IntegerId);
}
public ArrayObjectInfo(IEnumerable array, OdbType type, int componentId) : base(array, type)
{
_realArrayComponentClassName = OdbType.DefaultArrayComponentClassName;
_componentTypeId = componentId;
}
internal void SetAttributeType(OdbType attributeType)
{
_attributeType = attributeType;
}
