public EfSaveEngine(DbContext context, CancellationToken cancellationToken, params Expression <Func <T, object> >[] pivotKeys)
{
this._cancellationToken = cancellationToken;
_context = context;
var entityType = context.Model.FindEntityType(typeof(T));
if (entityType == null)
{
throw new InvalidOperationException("DbContext does not contain EntitySet for Type: " + typeof(T).Name);
}
_keyPropertyInfos = entityType.GetProperties().Where(i => !i.IsShadowProperty() && i.IsPrimaryKey()).Select(i => i.PropertyInfo).ToList();
List <List <PropertyInfo> > propertyInfosForPivot;
if ((pivotKeys?.Length ?? 0) == 0)
{
propertyInfosForPivot = new List <List <PropertyInfo> > {
entityType.FindPrimaryKey().Properties.Select(i => i.PropertyInfo).ToList()
}
}
;
else
{
propertyInfosForPivot = pivotKeys.Select(pivotKey => KeyDefinitionExtractor.GetKeys(pivotKey)).ToList();
}
_findConditionExpression = CreateFindConditionExpression(propertyInfosForPivot);
}
private List <IProperty> GetPropertiesForPivot(List <IProperty> allProperties, IProperty tenantIdProp, Expression <Func <T, object> > pivotKey)
{
var pivotKeyNames = KeyDefinitionExtractor.GetKeys(pivotKey).Select(i => i.Name).ToList();
if (tenantIdProp != null)
{
pivotKeyNames.Add(tenantIdProp.GetColumnName(StoreObject));
}
return(allProperties.Where(i => pivotKeyNames.Contains(i.Name)).ToList());
}
public BulkSaveEngineBase(DbContext context, Expression <Func <T, object> > pivotKey = null)
{
List <IProperty> computedProperties;
List <IProperty> defaultValuesProperties;
List <IProperty> notPivotComputedProperties;
this._context = context;
var entityType = context.Model.FindEntityType(typeof(T));
if (entityType == null)
{
throw new InvalidOperationException("DbContext does not contain EntitySet for Type: " + typeof(T).Name);
}
_schema = entityType.Relational().Schema;
_table = entityType.Relational().TableName;
_entityTypes = GetAllRelatedEntityTypes(entityType).Distinct().ToList();
var allProperties = _entityTypes.SelectMany(dt => dt.GetProperties()).Distinct(new LambdaEqualityComparer <IProperty, string>(i => i.Relational().ColumnName)).ToList();
if (pivotKey == null)
{
_propertiesForPivot = entityType.FindPrimaryKey().Properties.ToList();
}
else
{
var pivotKeyNames = KeyDefinitionExtractor.GetKeys(pivotKey).Select(i => i.Name).ToList();
_propertiesForPivot = allProperties.Where(i => pivotKeyNames.Contains(i.Name)).ToList();
}
//identityProperty = entityType.GetProperties().FirstOrDefault(i => i.SqlServer().ValueGenerationStrategy == SqlServerValueGenerationStrategy.IdentityColumn);
// string timestampDbTypeName = nameof(TimestampAttribute).Replace("Attribute", "").ToLower(); // = "timestamp";
computedProperties = allProperties.Where(i => (i.ValueGenerated & ValueGenerated.OnAddOrUpdate) != ValueGenerated.Never).ToList();
notPivotComputedProperties = computedProperties.Except(_propertiesForPivot).ToList();
defaultValuesProperties = allProperties.Where(i => i.Relational().DefaultValueSql != null).ToList();
_propertiesToBulkLoad = allProperties.Except(notPivotComputedProperties).ToList();
_propertiesToInsert = allProperties
.Except(computedProperties)
//.Except(new[] { identityProperty })
.ToList();
_propertiesToUpdate = allProperties
.Except(_propertiesForPivot)
.Except(computedProperties)
//.Except(new[] { identityProperty })
.ToList();
_propertiesToGetAfterSetInTarget = computedProperties
//.Union(new[] { identityProperty })
.Union(defaultValuesProperties)
.Distinct(new LambdaEqualityComparer <IProperty, string>(i => i.Relational().ColumnName))
.ToList();
}
public EfSaveEngine(DbContext context, Expression <Func <T, object> > pivotKey = null)
{
_context = context;
var entityType = context.Model.FindEntityType(typeof(T));
if (entityType == null)
{
throw new InvalidOperationException("DbContext does not contain EntitySet for Type: " + typeof(T).Name);
}
_keyPropertyInfos = entityType.GetProperties().Where(i => !i.IsShadowProperty && i.IsPrimaryKey()).Select(i => i.PropertyInfo).ToList();
List <PropertyInfo> propertyInfosForPivot;
if (pivotKey == null)
{
propertyInfosForPivot = entityType.FindPrimaryKey().Properties.Select(i => i.PropertyInfo).ToList();
}
else
{
propertyInfosForPivot = KeyDefinitionExtractor.GetKeys(pivotKey);
}
_findConditionExpression = CreateFindConditionExpression(propertyInfosForPivot);
}