private List<tb_messagequeue_model> GetMessagesOfPatition(tb_consumer_partition_model partition, long scanlastmqid, MQIDInfo mqidinfo, string datanodeconnectstring, PartitionIDInfo partionidinfo)
{
//从数据库取数据,检查数据时间，和数据状态，无问题则插入队列，并修改上一次扫描的mqid
List<tb_messagequeue_model> messages = new List<tb_messagequeue_model>();
SqlHelper.ExcuteSql(datanodeconnectstring, (c) =>
{
string tablename = PartitionRuleHelper.GetTableName(partionidinfo.TablePartition, mqidinfo.Day);
if (exsittablenames.ContainsKey(tablename) || c.TableIsExist(tablename))
{
AddExsitTableNameCache(tablename);
tb_messagequeue_dal dal = new tb_messagequeue_dal(); dal.TableName = tablename;
messages = dal.GetMessages(c, scanlastmqid, SystemParamConfig.Consumer_ReceiveMessageQuque_EVERY_PULL_COUNT);
}
});
return messages;
}
public tb_consumer_partition_model RegisterConsumerPartition(DbConn PubConn, int clientid, int partitionindex,string mqpath, long tempid)
{
var mqpathmodel = GetMQPath(PubConn, mqpath);
tb_mqpath_partition_dal mqpathpartitiondal = new tb_mqpath_partition_dal();
var mqpathpartitionmodel = mqpathpartitiondal.GetOfConsumer(PubConn, partitionindex,mqpathmodel.id);
if (mqpathpartitionmodel == null)
return null;
tb_consumer_partition_dal dal = new tb_consumer_partition_dal();
if (dal.Edit2(PubConn, new tb_consumer_partition_model() { consumerclientid = clientid, lastconsumertempid = tempid, partitionid = mqpathpartitionmodel.partitionid, partitionindex = partitionindex }) <= 0)
{
var partitionidinfo = PartitionRuleHelper.GetPartitionIDInfo(mqpathpartitionmodel.partitionid); var datanodename = PartitionRuleHelper.GetDataNodeName(partitionidinfo.DataNodePartition);
long maxid = -1; DateTime serverdate = PubConn.GetServerDate(); string tablename = PartitionRuleHelper.GetTableName(partitionidinfo.TablePartition,serverdate);
SqlHelper.ExcuteSql(this.GetDataNodeConnectString(PubConn, partitionidinfo.DataNodePartition), (c) => {
var exist = c.TableIsExist(tablename); if (!exist) { throw new BusinessMQException(string.Format("当前数据节点{0},表{1}不存在", partitionidinfo.DataNodePartition,tablename)); }
tb_messagequeue_dal mqdal = new tb_messagequeue_dal(); mqdal.TableName = tablename;
maxid = mqdal.GetMaxId(c);
if (maxid <= 0)
maxid = PartitionRuleHelper.GetMQID(new MQIDInfo() { AutoID=0, DataNodePartition=partitionidinfo.DataNodePartition, Day=serverdate, TablePartition=partitionidinfo.TablePartition });
});
dal.Add2(PubConn, new tb_consumer_partition_model() { consumerclientid = clientid, lastconsumertempid = tempid, lastmqid = maxid, partitionid = mqpathpartitionmodel.partitionid, partitionindex = partitionindex });
}
return dal.Get(PubConn, clientid, mqpathpartitionmodel.partitionid);
}