/// <summary>
/// Specify the primary key for this entity
/// </summary>
public void Id <TPrimaryKey>(
Expression <Func <T, TPrimaryKey> > memberExpression,
EntityMappingOptions options)
{
// Unsupported options: Length, Unique, Nullable
// Index, CustomSqlType, CascadeDelete, WithSerialization
options = options ?? new EntityMappingOptions();
idMember = ((MemberExpression)memberExpression.Body).Member;
MapActions.Add(m => {
var memberMap = m.MapIdMember(memberExpression);
if (!string.IsNullOrEmpty(options.Column))
{
memberMap = memberMap.SetElementName(options.Column);
}
});
}
/// <summary>
/// Create a member mapping<br/>
/// 创建成员映射<br/>
/// </summary>
public void Map <TMember>(
Expression <Func <T, TMember> > memberExpression,
EntityMappingOptions options = null)
{
// Unsupported options: Length, CustomSqlType, CascadeDelete, WithSerialization
options = options ?? new EntityMappingOptions();
ordinaryMembers.Add(((MemberExpression)memberExpression.Body).Member);
MapActions.Add(m =>
{
var memberMap = m.MapMember(memberExpression);
if (!string.IsNullOrEmpty(options.Column))
{
memberMap = memberMap.SetElementName(options.Column);
}
if (options.Nullable == true)
{
memberMap.SetIsRequired(true);
}
else if (options.Nullable == false)
{
memberMap.SetIsRequired(false);
}
});
if (options.Unique == true || !string.IsNullOrEmpty(options.Index))
{
// Create indexes
CollectionActions.Add(c =>
{
var keys = new IndexKeysDefinitionBuilder <T>().Ascending(
Expression.Lambda <Func <T, object> >(
Expression.Convert(memberExpression.Body, typeof(object)),
memberExpression.Parameters));
var indexOptions = new CreateIndexOptions()
{
Background = true,
Unique = options.Unique,
Sparse = !options.Unique // ignore null member on indexing
};
var model = new CreateIndexModel <T>(keys, indexOptions);
c.Indexes.CreateOne(model);
});
}
}
public void NotifyAction(MapActions action)
{
this.queuedActions.Enqueue(action);
}
