public override void UpdateOrCreateSchema(SchemaStatus SchemaStatus)
{
if (XpoDefault.DataLayer == null)
{
using (var updateDataLayer =
new SimpleDataLayer(Dictionary, CreateUpdatingDataStore(true)))
{
//HACK you can use any of the following versions to pass persistent types or assemblies
//updateDataLayer.UpdateSchema(false, dictionary.CollectClassInfos(GetPersistentTypes()));
if (Assemblies != null)
{
updateDataLayer.UpdateSchema(false, Dictionary.CollectClassInfos(Assemblies));
new UnitOfWork(updateDataLayer).CreateObjectTypeRecords();
return;
}
if (PersistentTypes != null)
{
updateDataLayer.UpdateSchema(false, Dictionary.CollectClassInfos(PersistentTypes));
new UnitOfWork(updateDataLayer).CreateObjectTypeRecords();
return;
}
throw new Exception(Message);
}
}
}
public void AutoScript()
{
// Создание скрипта
const string path = "autoscript.txt";
StreamWriter script = new StreamWriter(path);
ReflectionDictionary dictionary = new ReflectionDictionary();
XPDictionaryInformer.Register(dictionary);
SimpleDataLayer dataLayer = new SimpleDataLayer(dictionary, new OracleConnectionProviderEx(
ODPConnectionProvider.CreateConnection(Properties.Settings.Default.ConnectionAdmin), AutoCreateOption.SchemaOnly, script, UpdateSchemaOptions.Default));
dataLayer.UpdateSchema(false, new Type[] {
typeof(AutoIdClass), typeof(StringIdClass), typeof(ComplexIdClass), typeof(NoIdClass),
typeof(NotNullClass), typeof(ReadOnlyClass),
typeof(ConsistentPeriodClass), typeof(ConsistentPeriodClass2), typeof(ContinuousPeriodClass), typeof(HierarchyClass),
typeof(SimpleConstraintClass), typeof(ConstraintClass), typeof(CategoryClass), typeof(SecurityClass),
typeof(UniqueBaseClass), typeof(UniqueClass),
typeof(DevExpress.Xpo.XPObjectType)
}.Select(c => dictionary.GetClassInfo(c)).ToArray());
script.Close();
// Проверка непустого содержания файла
FileStream file = new FileStream(path, FileMode.Open);
Assert.IsFalse(file.Length == 0, "File of autoscript is empty.");
file.Close();
// Проверка валидности скрипта
Connection.ExecuteFile(path);
dataLayer.Dispose();
}
private static IDataLayer CreateDataLayer()
{
var dict = new DevExpress.Xpo.Metadata.ReflectionDictionary();
var classes = dict.CollectClassInfos(typeof(SampleObject).Assembly);
var provider = XpoDefault.GetConnectionProvider(DevExpress.Xpo.DB.MSSqlConnectionProvider.GetConnectionString("localhost", "XpoImportHelperTest"), Xpo.DB.AutoCreateOption.DatabaseAndSchema);
var dal = new SimpleDataLayer(dict, provider);
((IDataLayerForTests)dal).ClearDatabase();
dal.UpdateSchema(false, classes);
return(dal);
}
public override void Init()
{
XpoDefault.DataLayer = null;
XpoDefault.Session = null;
var Args = new SchemaMismatchEventArgs(this, SchemaStatus.None);
PrepareDictionary();
//Check if the schema requires update https://www.devexpress.com/Support/Center/Question/Details/Q245466/determining-if-schema-needs-to-be-updated
if (XpoDefault.DataLayer == null)
{
try
{
using (var CheckSchemaDataLayer = new SimpleDataLayer(Dictionary, CreateSchemaCheckingDataStore()))
{
//HACK new way to compare schema https://www.devexpress.com/Support/Center/Question/Details/T562023/xpo-how-to-detect-of-chnage-structure-of-database-by-new-change-in-db-model
var types = Dictionary.Classes.Cast <XPClassInfo>().Where(ci => ci.IsPersistent).ToArray();
var Result = CheckSchemaDataLayer.UpdateSchema(true, types);
if (Result == UpdateSchemaResult.FirstTableNotExists)
{
OnSchemaMismatch(this, Args);
}
//HACK the old version of checking the schema https://www.devexpress.com/Support/Center/Question/Details/T189303/xpo-how-to-check-if-db-schema-needs-to-be-changed-without-changing-it
//using (var session = new Session(CheckSchemaDataLayer))
//{
// session.UpdateSchema();
// //session.CreateObjectTypeRecords();
//}
}
Args.Handled = true;
}
catch (SchemaCorrectionNeededException)
{
OnSchemaMismatch(this, Args);
}
//catch (DevExpress.Xpo.DB.Exceptions.SchemaCorrectionNeededException)
//{
// OnSchemaMismatch(this, Args);
//}
if (Args.Handled)
{
workingStore =
XpoDefault.GetConnectionProvider(ConnectionString, AutoCreateOption.SchemaAlreadyExists);
DataLayer = new ThreadSafeDataLayer(Dictionary, workingStore);
}
}
}
public static void InitXpo(IDataStore DataStore)
{
var dictionary = PrepareDictionary();
if (XpoDefault.DataLayer == null)
{
using (var updateDataLayer = new SimpleDataLayer(dictionary, DataStore))
{
updateDataLayer.UpdateSchema(false, dictionary.CollectClassInfos(entityTypes));
}
}
var dataStore = DataStore;//XpoDefault.GetConnectionProvider(connectionString, AutoCreateOption.SchemaAlreadyExists);
XpoDefault.DataLayer = new ThreadSafeDataLayer(dictionary, dataStore);
XpoDefault.Session = null;
}