public void BulkDelete(IEnumerable <TEntity> items)
{
CheckForObjectAlreadyDisposedOrNot(typeof(EntityFrameworkCodeFirstCommand <TEntity, TId>).FullName);
ContractUtility.Requires <ArgumentNullException>(items.IsNotNull(), "items instance cannot be null");
ContractUtility.Requires <ArgumentOutOfRangeException>(items.IsNotEmpty(), "items count should be greater than 0");
DbConnection connection = _dbContext.Database.Connection;
if (connection.State != ConnectionState.Open)
{
connection.Open();
}
var bulkOperation = new BulkOperation <TEntity>(connection);
ApplyAuditInfoRules();
bulkOperation.BulkDelete(items);
}
/// <summary>Executes this object.</summary>
public void Execute()
{
if (IsExecuted)
{
return;
}
if (DataSource == null)
{
IsExecuted = true;
return;
}
var bulkOperation = new BulkOperation
{
Connection = (DbConnection)Connection
};
var mapperKey = "";
var enumerableDataSource = DataSource as IEnumerable <object>;
if (enumerableDataSource != null)
{
var first = enumerableDataSource.FirstOrDefault();
if (first == null)
{
IsExecuted = true;
return;
}
var enumerableFirst = first as IEnumerable <object>;
if (enumerableFirst != null)
{
// List<List<Entity>>
var list = enumerableDataSource.Where(x => x != null).Cast <IEnumerable <object> >().SelectMany(x => x).ToList();
var firstElement = list[0];
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(firstElement.GetType(), Key);
// Convert DataSource to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(firstElement.GetType());
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(firstElement.GetType());
var obj = castMethod.Invoke(null, new[] { list });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
else if (DataSource.GetType().GetGenericArguments()[0] == typeof(object))
{
// List<object> => List<Entity>
var type = first.GetType();
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(type, Key);
// Convert DataSource to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(type);
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(type);
var obj = castMethod.Invoke(null, new[] { DataSource });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
else
{
// List<Entity>
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(first.GetType(), Key);
}
}
else
{
// item
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(DataSource.GetType(), Key);
// CREATE list
var list = new List <object> {
DataSource
};
// Convert List<object> to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(DataSource.GetType());
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(DataSource.GetType());
var obj = castMethod.Invoke(null, new[] { list });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
DapperPlusEntityMapper config;
if (!DapperPlusManager.MapperCache.TryGetValue(mapperKey, out config))
{
var elementType = DataSource.GetType().GetElementType();
var constructor = typeof(DapperPlusEntityMapper <>).MakeGenericType(elementType).GetConstructor(new Type[0]);
config = (DapperPlusEntityMapper)constructor.Invoke(new object[0]);
}
bulkOperation.DataSource = DataSource;
bulkOperation.AllowDuplicateKeys = true;
bulkOperation.CaseSensitive = CaseSensitiveType.DestinationInsensitive;
if (Kind == DapperPlusActionKind.Insert)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkInsert();
}
else if (Kind == DapperPlusActionKind.Update)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkUpdate();
}
else if (Kind == DapperPlusActionKind.Delete)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkDelete();
}
else if (Kind == DapperPlusActionKind.Merge)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkMerge();
}
IsExecuted = true;
}
/// <summary>Executes this object.</summary>
public void Execute()
{
if (IsExecuted) return;
if (DataSource == null)
{
IsExecuted = true;
return;
}
var bulkOperation = new BulkOperation
{
Connection = (DbConnection) Connection
};
var mapperKey = "";
var enumerableDataSource = DataSource as IEnumerable<object>;
if (enumerableDataSource != null)
{
var first = enumerableDataSource.FirstOrDefault();
if (first == null)
{
IsExecuted = true;
return;
}
var enumerableFirst = first as IEnumerable<object>;
if (enumerableFirst != null)
{
// List<List<Entity>>
var list = enumerableDataSource.Where(x => x != null).Cast<IEnumerable<object>>().SelectMany(x => x).ToList();
var firstElement = list[0];
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(firstElement.GetType(), Key);
// Convert DataSource to List<Entity>
var castMethod = typeof (Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(firstElement.GetType());
var toListMethod = typeof (Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(firstElement.GetType());
var obj = castMethod.Invoke(null, new[] {list});
obj = toListMethod.Invoke(null, new[] {obj});
DataSource = obj;
}
else if (DataSource.GetType().GetGenericArguments()[0] == typeof (object))
{
// List<object> => List<Entity>
var type = first.GetType();
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(type, Key);
// Convert DataSource to List<Entity>
var castMethod = typeof (Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(type);
var toListMethod = typeof (Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(type);
var obj = castMethod.Invoke(null, new[] {DataSource});
obj = toListMethod.Invoke(null, new[] {obj});
DataSource = obj;
}
else
{
// List<Entity>
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(first.GetType(), Key);
}
}
else
{
// item
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(DataSource.GetType(), Key);
// CREATE list
var list = new List<object> {DataSource};
// Convert List<object> to List<Entity>
var castMethod = typeof (Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(DataSource.GetType());
var toListMethod = typeof (Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(DataSource.GetType());
var obj = castMethod.Invoke(null, new[] {list});
obj = toListMethod.Invoke(null, new[] {obj});
DataSource = obj;
}
DapperPlusEntityMapper config;
if (!DapperPlusManager.MapperCache.TryGetValue(mapperKey, out config))
{
var elementType = DataSource.GetType().GetElementType();
var constructor = typeof (DapperPlusEntityMapper<>).MakeGenericType(elementType).GetConstructor(new Type[0]);
config = (DapperPlusEntityMapper) constructor.Invoke(new object[0]);
}
bulkOperation.DataSource = DataSource;
bulkOperation.AllowDuplicateKeys = true;
bulkOperation.CaseSensitive = CaseSensitiveType.DestinationInsensitive;
if (Kind == DapperPlusActionKind.Insert)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkInsert();
}
else if (Kind == DapperPlusActionKind.Update)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkUpdate();
}
else if (Kind == DapperPlusActionKind.Delete)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkDelete();
}
else if (Kind == DapperPlusActionKind.Merge)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkMerge();
}
IsExecuted = true;
}
/// <summary>Executes this object.</summary>
public void Execute()
{
if (IsExecuted)
{
return;
}
if (DataSource == null)
{
IsExecuted = true;
return;
}
var bulkOperation = new BulkOperation
{
Connection = (DbConnection)Connection
};
var mapperKey = "";
var enumerableDataSource = DataSource as IEnumerable <object>;
if (enumerableDataSource != null)
{
var first = enumerableDataSource.FirstOrDefault();
if (first == null)
{
IsExecuted = true;
return;
}
var enumerableFirst = first as IEnumerable <object>;
if (enumerableFirst != null)
{
// List<List<Entity>>
var list = enumerableDataSource.Where(x => x != null).Cast <IEnumerable <object> >().SelectMany(x => x).ToList();
var firstElement = list[0];
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(firstElement.GetType(), Key);
// Convert DataSource to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(firstElement.GetType());
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(firstElement.GetType());
var obj = castMethod.Invoke(null, new[] { list });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
else if (DataSource.GetType().GetGenericArguments()[0] == typeof(object))
{
// List<object> => List<Entity>
var type = first.GetType();
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(type, Key);
// Convert DataSource to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(type);
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(type);
var obj = castMethod.Invoke(null, new[] { DataSource });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
else
{
// List<Entity>
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(first.GetType(), Key);
}
}
else
{
// item
// GET mapper key
mapperKey = DapperPlusManager.GetFullMapperKey(DataSource.GetType(), Key);
// CREATE list
var list = new List <object> {
DataSource
};
// Convert List<object> to List<Entity>
var castMethod = typeof(Enumerable).GetMethod("Cast");
castMethod = castMethod.MakeGenericMethod(DataSource.GetType());
var toListMethod = typeof(Enumerable).GetMethod("ToList");
toListMethod = toListMethod.MakeGenericMethod(DataSource.GetType());
var obj = castMethod.Invoke(null, new[] { list });
obj = toListMethod.Invoke(null, new[] { obj });
DataSource = obj;
}
DapperPlusEntityMapper config;
if (!DapperPlusManager.MapperCache.TryGetValue(mapperKey, out config))
{
// CHECK for Entity Framework Proxy Type
if (mapperKey.StartsWith("zzz_proxy;"))
{
var mapperProxy = new List <DapperPlusEntityMapper>();
// Try to find if one mapping could correspond
foreach (var keyValue in DapperPlusManager.MapperCache)
{
var key = keyValue.Key;
var prefix = string.IsNullOrEmpty(Key) ? "zzz_null" : Key;
// MUST start with the same suffix
if (!key.StartsWith(prefix))
{
continue;
}
var suffix = key.Split('.').Last().Split('+').Last();
var mapperSuffix = mapperKey.Split(';').Last();
if (suffix.Length < 20)
{
// MUST BE Equal
if (suffix != mapperSuffix)
{
continue;
}
}
else
{
// MUST START with same name but only one!
if (!suffix.StartsWith(mapperSuffix))
{
continue;
}
}
mapperProxy.Add(keyValue.Value);
}
if (mapperProxy.Count == 1)
{
config = mapperProxy[0];
}
}
if (config == null)
{
if (DapperPlusManager.ThrowErrorIfNotMapped)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Mapping Not Found!");
sb.AppendLine("Current MapperKey: " + mapperKey);
sb.AppendLine("Possible Mapping:");
foreach (var keyValue in DapperPlusManager.MapperCache)
{
sb.AppendLine(" - " + keyValue.Key);
}
throw new Exception(sb.ToString());
}
else
{
var type = DataSource.GetType();
var elementType = type.GetGenericArguments()[0];
var constructor = typeof(DapperPlusEntityMapper <>).MakeGenericType(elementType).GetConstructor(new Type[0]);
config = (DapperPlusEntityMapper)constructor.Invoke(new object[0]);
}
}
}
bulkOperation._isDapperPlus = true;
bulkOperation.DataSource = DataSource;
bulkOperation.AllowDuplicateKeys = true;
bulkOperation.CaseSensitive = CaseSensitiveType.DestinationInsensitive;
if (Kind == DapperPlusActionKind.Insert)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkInsert();
}
else if (Kind == DapperPlusActionKind.Update)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkUpdate();
}
else if (Kind == DapperPlusActionKind.Delete)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkDelete();
}
else if (Kind == DapperPlusActionKind.Merge)
{
ApplyConfig(bulkOperation, config._configInsert);
bulkOperation.BulkMerge();
}
IsExecuted = true;
}