private static bool UpdateMyAttribute(IServerSession session)
{
var attrBroker = session.DataAccess.Brokers.NodeAttributeDefinition;
var dacFactory = session.DataAccess.ModelFactory;
IChangeSet changes = session.DataAccess.CreateChangeSet();
INodeAttributeDefinition attr = dacFactory.CreateNodeAttributeDefinition();
attr.DefaultValue = "hello";
attrBroker.UpdateNodeAttributeDefinitions(changes, attr, dacFactory.CreateSelectorByFilter(dacFactory.CreateFilterExpression("Name LIKE \"" + ATTRIBUTE_NAME + "\"")));
Console.Write("Updating my NodeAttributeDefinition... ");
using (var result = changes.Save())
{
if (result.IsSuccess)
{
Console.WriteLine("success");
return(true);
}
else
{
Console.WriteLine("failed: " + result.ToString());
return(false);
}
}
}
private static bool CreateMyAttribute(IServerSession session)
{
var attrBroker = session.DataAccess.Brokers.NodeAttributeDefinition;
IChangeSet changes = session.DataAccess.CreateChangeSet();
INodeAttributeDefinition attr = session.DataAccess.ModelFactory.CreateNodeAttributeDefinition();
attr.Id = new Oid();
attr.Name = ATTRIBUTE_NAME;
attr.DefaultValue = "hi";
attrBroker.CreateNodeAttributeDefinition(changes, attr);
Console.Write("Creating my NodeAttributeDefinition... ");
using (var result = changes.Save())
{
if (result.IsSuccess)
{
// extract the actual id of the created attr def
Oid newId = result.IdMap[attr.Id];
Console.WriteLine("success, my attribute def has id {0}", newId);
return(true);
}
else
{
Console.WriteLine("failed: " + result.ToString());
return(false);
}
}
}
