public T Get(string id)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
var entity = collection.FindOne(Query.EQ("_id", ObjectId.Parse(id)));
return(entity);
}
/// <summary>
/// 根据Identity列的值进行对象查找，能有效的使用内置缓存优化读性能
/// 建议使用这个方法而不用linq或Where等方法
/// </summary>
/// <param name="id">标识列值</param>
/// <returns>找到的对应实体对象(找不到为null)</returns>
public T Get(int id)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
var entity = collection.FindOne(Query.EQ("_id", BsonValue.Create(id)));
return(entity);
}
public void Update <TV>(int id, string where, string propertyName, TV value)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
collection.Update(Query.EQ(where, BsonValue.Create(id)),
new UpdateBuilder().Set(propertyName, BsonValue.Create(value)));
}
public virtual T MakePersistent(T entity)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
if (entity.Id == ObjectId.Empty)
{
collection.Insert <T>(entity);
}
else
{
collection.Save <T>(entity);
}
return(entity);
}
public PagedEntity <T2> GetPagedEntity <T2>(int pageIndex, int pageSize, string orderBy, ICollection <Tuple <string, string, object> > parameters)
{
var entities = new PagedEntity <T2>();
var collection = MongoDataBase.GetCollection <T2>(DataBase);
var queries = new List <IMongoQuery>();
if (parameters != null)
{
foreach (var parameter in parameters)
{
queries.Add(Query.EQ(parameter.Item1, BsonValue.Create(parameter.Item3)));
}
}
MongoCursor <T2> cursor;
if (queries.Count > 0)
{
cursor = collection.Find(Query.And(queries));
}
else
{
cursor = collection.FindAll();
}
IMongoSortBy sortBy;
var value = orderBy.Split(' ');
if (value.Length == 2)
{
if (value[1] == "asc")
{
sortBy = SortBy.Ascending(value[0]);
}
else
{
sortBy = SortBy.Descending(value[0]);
}
}
else
{
sortBy = SortBy.Descending(orderBy);
}
//CreateTime
entities.Items = cursor.SetSortOrder(sortBy).SetSkip(pageIndex * pageSize).SetLimit(pageSize).ToList();
entities.TotalItems = (int)cursor.Count();
return(entities);
}
/// <summary>
/// 根据标识属性删除对象
/// </summary>
/// <param name="id"></param>
public void MakeTransient(string id)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
collection.Remove(Query.EQ("_id", ObjectId.Parse(id)));
}
/// <summary>
/// 根据标识属性删除对象
/// </summary>
/// <param name="id"></param>
public void MakeTransient(int id)
{
var collection = MongoDataBase.GetCollection <T>(DataBase);
collection.Remove(Query.EQ("_id", BsonValue.Create(id)));
}
