protected virtual Object[] CreateMethodArgument(IList <Object> businessObjects, Type expectedType)
{
int objectCount = businessObjects.Count;
if (typeof(IEnumerable).IsAssignableFrom(expectedType))
{
Object targetCollection = ListUtil.CreateCollectionOfType(expectedType);
MethodInfo addMethod = targetCollection.GetType().GetMethod("Add");
Object[] parameters = new Object[1];
for (int a = 0; a < objectCount; a++)
{
parameters[0] = businessObjects[a];
addMethod.Invoke(targetCollection, parameters);
}
return(new Object[] { targetCollection });
}
else if (expectedType.IsArray)
{
Array array = Array.CreateInstance(expectedType.GetElementType(), objectCount);
for (int a = 0; a < objectCount; a++)
{
array.SetValue(businessObjects[a], a);
}
return(new Object[] { array });
}
return(ListUtil.ToArray(businessObjects));
}
protected void BuildSetterCommands(Object entity, IObjRef[] newORIs, RelationMember member, IReader reader)
{
if (!member.IsToMany)
{
if (newORIs.Length == 0)
{
return;
}
else if (newORIs.Length == 1)
{
IObjectFuture objectFuture = new ObjRefFuture(newORIs[0]);
IObjectCommand command = CommandBuilder.Build(reader.CommandTypeRegistry, objectFuture, entity, member);
reader.AddObjectCommand(command);
}
else
{
throw new ArgumentException("Multiple values for to-one relation");
}
}
else
{
Object coll = ListUtil.CreateCollectionOfType(member.RealType, newORIs.Length);
MethodInfo addMethod = coll.GetType().GetMethod("Add");
Object[] parameters = new Object[1];
bool useObjectFuture = false;
ICommandBuilder commandBuilder = CommandBuilder;
ICommandTypeRegistry commandTypeRegistry = reader.CommandTypeRegistry;
foreach (IObjRef ori in newORIs)
{
if (!(ori is IDirectObjRef))
{
IObjectFuture objectFuture = new ObjRefFuture(ori);;
IObjectCommand command = commandBuilder.Build(commandTypeRegistry, objectFuture, coll, addMethod);
reader.AddObjectCommand(command);
useObjectFuture = true;
continue;
}
Object item = ((IDirectObjRef)ori).Direct;
if (useObjectFuture)
{
IObjectCommand command = commandBuilder.Build(commandTypeRegistry, null, coll, addMethod, item);
reader.AddObjectCommand(command);
}
else
{
parameters[0] = item;
addMethod.Invoke(coll, parameters);
}
}
}
}
protected Object ConvertToExpectedType(Type expectedType, Object result)
{
if (typeof(void).Equals(expectedType) || result == null)
{
return(null);
}
else if (expectedType.IsAssignableFrom(result.GetType()))
{
return(result);
}
if (typeof(IEnumerable).IsAssignableFrom(expectedType) && !typeof(String).Equals(expectedType))
{
Object targetCollection = ListUtil.CreateCollectionOfType(expectedType);
MethodInfo addMethod = targetCollection.GetType().GetMethod("Add");
Type addType = addMethod.GetParameters()[0].ParameterType;
Object[] parameters = new Object[1];
if (result is IEnumerable)
{
foreach (Object item in (IEnumerable)result)
{
Object convertedItem = ConversionHelper.ConvertValueToType(addType, item);
parameters[0] = convertedItem;
addMethod.Invoke(targetCollection, parameters);
}
}
return(targetCollection);
}
else if (expectedType.IsArray)
{
List <Object> list = new List <Object>();
if (result is IEnumerable)
{
foreach (Object item in (IEnumerable)result)
{
list.Add(item);
}
}
Array array = Array.CreateInstance(expectedType.GetElementType(), list.Count);
for (int a = 0, size = list.Count; a < size; a++)
{
array.SetValue(list[a], a);
}
return(array);
}
throw new Exception("Can not convert result " + result + " to expected type " + expectedType.FullName);
}
protected virtual Object PostProcessCacheResult(IList <IObjRef> objRefs, IList <Object> cacheResult, Type expectedType, IServiceResult serviceResult, Object[] originalArgs,
Attribute annotation)
{
int cacheResultSize = cacheResult != null ? cacheResult.Count : objRefs.Count;
if (typeof(IEnumerable).IsAssignableFrom(expectedType))
{
Object targetCollection = ListUtil.CreateCollectionOfType(expectedType);
MethodInfo addMethod = targetCollection.GetType().GetMethod("Add");
Object[] parameters = new Object[1];
if (cacheResult != null)
{
for (int a = 0; a < cacheResultSize; a++)
{
parameters[0] = cacheResult[a];
addMethod.Invoke(targetCollection, parameters);
}
}
else
{
for (int a = 0; a < cacheResultSize; a++)
{
parameters[0] = objRefs[a];
addMethod.Invoke(targetCollection, parameters);
}
}
return(targetCollection);
}
else if (expectedType.IsArray)
{
Array array = Array.CreateInstance(expectedType.GetElementType(), cacheResultSize);
if (cacheResult != null)
{
for (int a = 0; a < cacheResultSize; a++)
{
array.SetValue(cacheResult[a], a);
}
}
else
{
for (int a = 0; a < cacheResultSize; a++)
{
array.SetValue(objRefs[a], a);
}
}
return(array);
}
IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(expectedType, true);
if (metaData != null)
{
// It is a simple entity which can be returned directly
if (cacheResultSize == 0)
{
return(null);
}
else if (cacheResultSize == 1)
{
return(cacheResult != null ? cacheResult[0] : objRefs[0]);
}
}
Object additionalInformation = serviceResult != null ? serviceResult.AdditionalInformation : null;
if (additionalInformation == null)
{
throw new Exception("Can not convert list of " + cacheResultSize + " results from cache to type " + expectedType.FullName);
}
IServiceResultProcessor serviceResultProcessor = ServiceResultProcessorRegistry.GetServiceResultProcessor(expectedType);
return(serviceResultProcessor.ProcessServiceResult(additionalInformation, objRefs, cacheResult, expectedType, originalArgs, annotation));
}