public void AutoNumberField_Seed()
{
var field = new AutoNumberField( );
field.Name = "TestAutoNumberField";
field.AutoNumberSeed = 123;
var definition = new Definition( );
definition.Name = "TestAutoNumberDefinition";
definition.Fields.Add(field.As <Field>( ));
definition.Save( );
Entity instance1 = new Entity(definition.Id);
instance1.Save( );
int value = instance1.GetField <int>(field);
Assert.AreEqual(123, value);
Entity instance2 = new Entity(definition.Id);
instance2.Save( );
value = instance2.GetField <int>(field);
Assert.AreEqual(124, value);
Entity instance3 = new Entity(definition.Id);
instance3.Save( );
value = instance3.GetField <int>(field);
Assert.AreEqual(125, value);
}
/// <summary>
/// Constructor.
/// </summary>
internal AutoNumberFieldHelper(AutoNumberField fieldEntity)
{
_field = fieldEntity;
}
protected IStorageAutoNumberField CreateEmptyAutoNumberFieldObject(AutoNumberField field)
{
var storageService = service.StorageService;
return((IStorageAutoNumberField)storageService.GetObjectFactory().CreateEmptyFieldObject(field.GetType()));
}
public static IFieldHelper ConvertToFieldHelper(IEntity fieldEntity)
{
if (fieldEntity == null)
{
throw new ArgumentNullException("fieldEntity");
}
// Ensure we have the specific type of field in question.
IEntity field = Entity.AsNative(fieldEntity);
if (field == null)
{
throw new Exception("Assert false");
}
StringField stringField = field as StringField;
if (stringField != null)
{
return(new StringFieldHelper(stringField));
}
AliasField aliasField = field as AliasField;
if (aliasField != null)
{
return(new AliasFieldHelper(aliasField));
}
AutoNumberField autoNumberField = field as AutoNumberField;
if (autoNumberField != null)
{
return(new AutoNumberFieldHelper(autoNumberField));
}
BoolField boolField = field as BoolField;
if (boolField != null)
{
return(new BoolFieldHelper(boolField));
}
CurrencyField currencyField = field as CurrencyField;
if (currencyField != null)
{
return(new CurrencyFieldHelper(currencyField));
}
DateField dateField = field as DateField;
if (dateField != null)
{
return(new DateFieldHelper(dateField));
}
DateTimeField dateTimeField = field as DateTimeField;
if (dateTimeField != null)
{
return(new DateTimeFieldHelper(dateTimeField));
}
DecimalField decimalField = field as DecimalField;
if (decimalField != null)
{
return(new DecimalFieldHelper(decimalField));
}
IntField intField = field as IntField;
if (intField != null)
{
return(new IntFieldHelper(intField));
}
TimeField timeField = field as TimeField;
if (timeField != null)
{
return(new TimeFieldHelper(timeField));
}
GuidField guidField = field as GuidField;
if (guidField != null)
{
return(new GuidFieldHelper(guidField));
}
XmlField xmlField = field as XmlField;
if (xmlField != null)
{
return(new XmlFieldHelper(xmlField));
}
throw new Exception("Entity is not a valid field type: " + field.GetType().ToString());
}
public void AutoNumberField_Concurrency( )
{
var field = new AutoNumberField( );
var definition = new Definition( );
var deletables = new List <Entity>( );
try
{
field.Name = "TestAutoNumberField";
definition.Name = "TestAutoNumberDefinition";
definition.Fields.Add(field.As <Field>( ));
definition.Save( );
var values = new List <int>( );
object lockObject = new object( );
var thread1 = new Thread(() =>
{
for (int i = 0; i < 10; i++)
{
var instance = new Entity(definition.Id);
instance.Save( );
deletables.Add(instance);
int value = instance.GetField <int>(field);
lock ( lockObject )
{
values.Add(value);
}
}
});
var thread2 = new Thread(() =>
{
for (int i = 0; i < 10; i++)
{
var instance = new Entity(definition.Id);
instance.Save( );
deletables.Add(instance);
int value = instance.GetField <int>(field);
lock ( lockObject )
{
values.Add(value);
}
}
});
thread1.IsBackground = true;
thread1.Start( );
thread2.IsBackground = true;
thread2.Start( );
thread1.Join( );
thread2.Join( );
Assert.AreEqual(20, values.Count);
Assert.AreEqual(20, values.Distinct( ).Count( ));
for (int i = 1; i <= 20; i++)
{
Assert.IsTrue(values.Contains(i));
}
}
finally
{
deletables.ForEach(e => e.Delete( ));
definition.Delete( );
field.Delete( );
}
}
protected IStorageAutoNumberField CreateEmptyAutoNumberFieldObject(AutoNumberField field)
{
var storageService = service.StorageService;
return (IStorageAutoNumberField)storageService.GetObjectFactory().CreateEmptyFieldObject(field.GetType());
}
