public CompositeObject(byte[] serializedObject, IBusinessObjectDefinitionProvider businessObjectDefinitionProvider)
{
var stream = new MemoryStream(serializedObject);
var header = Serializer.DeserializeWithLengthPrefix <CompositeObjectHeader>(stream, PrefixStyle.Base128, 1);
Id = header.Id;
CompositeObjectTypeId = header.CompositeObjectTypeId;
CreatedByUserId = header.CreatedByUserId;
DateTimeCreated = new DateTimeOffset(header.DateTimeCreated, new TimeSpan(0));
LastUpdatedByUserId = header.LastUpdatedByUserId;
LastModified = new DateTimeOffset(header.DateTimeLastUpdated, new TimeSpan(0));
Revision = header.Revision;
compositeObjectDefinition = businessObjectDefinitionProvider.GetCompositeObjectDefinition(CompositeObjectTypeId);
for (var i = 0; i < header.AttributeCount; i++)
{
var attribute = Serializer.DeserializeWithLengthPrefix <AttributeValue>(stream, PrefixStyle.Base128, 2);
if (compositeObjectDefinition.Attributes.ContainsKey(attribute.Name))
{
var attributeDefinition = compositeObjectDefinition.Attributes[attribute.Name];
attributes.Add(attributeDefinition,
attributeDefinition.Serializer.Deserialize(attributeDefinition.Name, attributeDefinition.AttributeType, attribute.Value));
}
}
for (var i = 0; i < header.SimpleObjectCount; i++)
{
var serializedSimpleObject = Serializer.DeserializeWithLengthPrefix <byte[]>(stream, PrefixStyle.Base128, 3);
var simpleObject = new SimpleObject(serializedSimpleObject, businessObjectDefinitionProvider, CompositeObjectTypeId);
simpleObjects.Add(simpleObject.Id, simpleObject);
}
Attributes = new ReadOnlyDictionary <AttributeDefinition, object>(attributes);
SimpleObjects = new ReadOnlyDictionary <Guid, SimpleObject>(simpleObjects);
}
/// <summary>
/// Applying a changeset. This method is NOT thread safe.
/// </summary>
/// <param name="changeSet"></param>
/// <param name="definitionProvider"></param>
public void ApplyChangeSet(CompositeObjectChangeSet changeSet, IBusinessObjectDefinitionProvider definitionProvider)
{
if (appliedChangeSets.Contains(changeSet.ChangeSetId))
{
return;
}
foreach (var modification in changeSet.AttributeValues)
{
if (!compositeObjectDefinition.Attributes.ContainsKey(modification.Name))
{
continue;
}
var attribute = compositeObjectDefinition.Attributes[modification.Name];
attributes[attribute] = attribute.Serializer.Deserialize(attribute.Name, attribute.AttributeType, modification.Value);
}
var lastModified = new DateTimeOffset(changeSet.Timestamp, new TimeSpan(0));
var changeSetUserId = changeSet.UserId ?? Guid.Empty; // TODO: a hack, changeSet.UserId should not be nullable
foreach (var simpleObjectChangeSet in changeSet.ChildObjectChangeSets)
{
if (simpleObjectChangeSet.Action == SimpleObjectChangeSetType.Delete && simpleObjects.ContainsKey(simpleObjectChangeSet.SimpleObjectId))
{
simpleObjects.Remove(simpleObjectChangeSet.SimpleObjectId);
}
else if (simpleObjectChangeSet.Action == SimpleObjectChangeSetType.UpdateParent &&
simpleObjects.ContainsKey(simpleObjectChangeSet.SimpleObjectId))
{
var simpleObject = simpleObjects[simpleObjectChangeSet.SimpleObjectId];
var updateSimpleObjectParentChangeSet = (UpdateSimpleObjectParentChangeSet)simpleObjectChangeSet;
simpleObject.UpdateParentId(updateSimpleObjectParentChangeSet.ParentId);
}
else
{
SimpleObject simpleObject;
var createOrUpdateSimpleObjectCommand = simpleObjectChangeSet as CreateOrUpdateSimpleObjectChangeSet;
SimpleObjectDefinition simpleObjectDefinition;
if (simpleObjectChangeSet.Action == SimpleObjectChangeSetType.Create)
{
var commandCreate = (CreateSimpleObjectChangeSet)simpleObjectChangeSet;
simpleObjectDefinition = definitionProvider.FindSimpleObjectDefinition(CompositeObjectTypeId, commandCreate.SimpleObjectType);
if (simpleObjectDefinition == null)
{
continue;
}
simpleObject = new SimpleObject(commandCreate.SimpleObjectId, commandCreate.ParentId, simpleObjectDefinition, changeSetUserId, lastModified, changeSet.ChangeSetId);
}
else if (simpleObjects.ContainsKey(simpleObjectChangeSet.SimpleObjectId))
{
simpleObject = simpleObjects[simpleObjectChangeSet.SimpleObjectId];
simpleObjectDefinition = simpleObject.SimpleObjectDefinition;
}
else
{
continue;
}
try
{
simpleObject.ApplyChangeSet(createOrUpdateSimpleObjectCommand, simpleObjectDefinition, changeSet.ChangeSetId, lastModified, changeSetUserId);
}
catch (Exception ex)
{
simpleObjectChangeSetExceptions.Add(new SimpleObjectChangeSetExceptionRecord(simpleObjectChangeSet, ex));
}
if (!simpleObjects.ContainsKey(simpleObjectChangeSet.SimpleObjectId))
{
simpleObjects.Add(simpleObjectChangeSet.SimpleObjectId, simpleObject);
}
}
}
appliedChangeSets.Add(changeSet.ChangeSetId);
LastModified = lastModified;
LastUpdatedByUserId = changeSetUserId;
Revision = changeSet.ChangeSetId;
}
