/// <summary>
/// 为一致性哈希组策略从DbDataReader中赋值
/// </summary>
/// <param name="record"></param>
/// <param name="reader"></param>
/// <param name="prefix"></param>
public static void SetHashGroupStrategySelectFields(HashGroupStrategy record, DbDataReader reader, string prefix)
{
record.ID = (Guid)reader[string.Format("{0}id", prefix)];
if (reader[string.Format("{0}name", prefix)] != DBNull.Value)
{
record.Name = reader[string.Format("{0}name", prefix)].ToString();
}
if (reader[string.Format("{0}strategyservicefactorytype", prefix)] != DBNull.Value)
{
record.StrategyServiceFactoryType = reader[string.Format("{0}strategyservicefactorytype", prefix)].ToString();
}
if (reader[string.Format("{0}strategyservicefactorytypeusedi", prefix)] != DBNull.Value)
{
record.StrategyServiceFactoryTypeUseDI = (bool)reader[string.Format("{0}strategyservicefactorytypeusedi", prefix)];
}
if (reader[string.Format("{0}createtime", prefix)] != DBNull.Value)
{
record.CreateTime = (DateTime)reader[string.Format("{0}createtime", prefix)];
}
if (reader[string.Format("{0}modifytime", prefix)] != DBNull.Value)
{
record.ModifyTime = (DateTime)reader[string.Format("{0}modifytime", prefix)];
}
}
public async Task Update(HashGroupStrategy strategy)
{
//获取读写连接字符串
var strConn = _hashConnectionFactory.CreateAllForHash();
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, false, false, strConn, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran,
CommandText = @"update [dbo].[HashGroupStrategy]
set [name]=@name
,[strategyservicefactorytype]=@strategyservicefactorytype
,[strategyservicefactorytypeusedi]=@strategyservicefactorytypeusedi
,[modifytime]=getutcdate()
where [id]=@id"
})
{
var parameter = new SqlParameter("@id", SqlDbType.UniqueIdentifier)
{
Value = strategy.ID
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@name", SqlDbType.VarChar, 100)
{
Value = strategy.Name
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@strategyservicefactorytype", SqlDbType.VarChar, 500)
{
Value = strategy.StrategyServiceFactoryType
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@strategyservicefactorytypeusedi", SqlDbType.Bit)
{
Value = strategy.StrategyServiceFactoryTypeUseDI
};
commond.Parameters.Add(parameter);
commond.Prepare();
await commond.ExecuteNonQueryAsync();
}
});
}
public async Task <HashGroupStrategy> QueryById(Guid id)
{
HashGroupStrategy strategy = null;
//获取只读连接字符串
var strConn = _hashConnectionFactory.CreateReadForHash();
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, strConn, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran,
CommandText = string.Format(@"select {0} from HashGroupStrategy where [id]=@id", StoreHelper.GetHashGroupStrategySelectFields(string.Empty))
})
{
var parameter = new SqlParameter("@id", SqlDbType.UniqueIdentifier)
{
Value = id
};
commond.Parameters.Add(parameter);
commond.Prepare();
SqlDataReader reader = null;
using (reader = await commond.ExecuteReaderAsync())
{
if (await reader.ReadAsync())
{
strategy = new HashGroupStrategy();
StoreHelper.SetHashGroupStrategySelectFields(strategy, reader, string.Empty);
}
reader.Close();
}
}
});
return(strategy);
}
public async Task Add(HashGroupStrategy strategy)
{
//获取读写连接字符串
var strConn = _hashConnectionFactory.CreateAllForHash();
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, false, false, strConn, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran
})
{
SqlParameter parameter;
if (strategy.ID != Guid.Empty)
{
commond.CommandText = @"
insert into [dbo].[HashGroupStrategy](
[id]
,[name]
,[strategyservicefactorytype]
,[strategyservicefactorytypeusedi]
,[createtime]
,[modifytime]
)
values(
@id
,@name
,@strategyservicefactorytype
,@strategyservicefactorytypeusedi
,getutcdate()
,getutcdate()
)
";
parameter = new SqlParameter("@id", SqlDbType.UniqueIdentifier)
{
Value = strategy.ID
};
commond.Parameters.Add(parameter);
}
else
{
commond.CommandText = @"insert into [dbo].[HashGroupStrategy]
(
[id]
,[name]
,[strategyservicefactorytype]
,[strategyservicefactorytypeusedi]
,[createtime]
,[modifytime]
)
values(
default
,@name
,@strategyservicefactorytype
,@strategyservicefactorytypeusedi
,getutcdate()
,getutcdate()
)
select @newid=[id] from [dbo].[HashGroupStrategy]
where [sequence]=SCOPE_IDENTITY()";
parameter = new SqlParameter("@newid", SqlDbType.UniqueIdentifier)
{
Direction = ParameterDirection.Output
};
commond.Parameters.Add(parameter);
}
parameter = new SqlParameter("@name", SqlDbType.VarChar, 100)
{
Value = strategy.Name
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@strategyservicefactorytype", SqlDbType.VarChar, 500)
{
Value = strategy.StrategyServiceFactoryType
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@strategyservicefactorytypeusedi", SqlDbType.Bit)
{
Value = strategy.StrategyServiceFactoryTypeUseDI
};
commond.Parameters.Add(parameter);
commond.Prepare();
await commond.ExecuteNonQueryAsync();
if (strategy.ID == Guid.Empty)
{
strategy.ID = (Guid)commond.Parameters["@newid"].Value;
}
}
});
}
public async Task <QueryResult <HashGroupStrategy> > QueryByName(string name, int page, int pageSize)
{
QueryResult <HashGroupStrategy> result = new QueryResult <HashGroupStrategy>();
//获取只读连接字符串
var strConn = _hashConnectionFactory.CreateReadForHash();
await DBTransactionHelper.SqlTransactionWorkAsync(DBTypes.SqlServer, true, false, strConn, async (conn, transaction) =>
{
SqlTransaction sqlTran = null;
if (transaction != null)
{
sqlTran = (SqlTransaction)transaction;
}
using (SqlCommand commond = new SqlCommand()
{
Connection = (SqlConnection)conn,
CommandType = CommandType.Text,
Transaction = sqlTran,
CommandText = string.Format(@"set @currentpage=@page
select @count= count(*) from HashGroupStrategy where [name] like @name
if @pagesize*@page>=@count
begin
set @currentpage= @count/@pagesize
if @count%@pagesize<>0
begin
set @currentpage=@currentpage+1
end
if @currentpage=0
set @currentpage=1
end
else if @page<1
begin
set @currentpage=1
end
select {0} from HashGroupStrategy where [name] like @name
order by sequence
offset (@pagesize * (@currentpage - 1)) rows
fetch next @pagesize rows only;" , StoreHelper.GetHashGroupStrategySelectFields(string.Empty))
})
{
var parameter = new SqlParameter("@name", SqlDbType.VarChar, 100)
{
Value = $"{name.ToSqlLike()}%"
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@page", SqlDbType.Int)
{
Value = page
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@pagesize", SqlDbType.Int)
{
Value = pageSize
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@count", SqlDbType.Int)
{
Direction = ParameterDirection.Output
};
commond.Parameters.Add(parameter);
parameter = new SqlParameter("@currentpage", SqlDbType.Int)
{
Direction = ParameterDirection.Output
};
commond.Parameters.Add(parameter);
commond.Prepare();
SqlDataReader reader = null;
using (reader = await commond.ExecuteReaderAsync())
{
while (await reader.ReadAsync())
{
var record = new HashGroupStrategy();
StoreHelper.SetHashGroupStrategySelectFields(record, reader, string.Empty);
result.Results.Add(record);
}
reader.Close();
result.TotalCount = (int)commond.Parameters["@count"].Value;
result.CurrentPage = (int)commond.Parameters["@currentpage"].Value;
}
}
});
return(result);
}
