多執行緒優化

public void newexecute() 

executorservice service = executors.newfixedthreadpool(threadnum);
//所有賬號總數
int accountcount = accountdao.findallmerchantaccountcount();
int latchcount = accountcount % batch_size == 0 ? accountcount / batch_size : (accountcount / batch_size + 1);
final countdownlatch latch = new countdownlatch(latchcount);
final date bizdate = dateutils.adddate(dateutils.removetime(new date()), -1);
final date lastbizdate = dateutils.adddate(bizdate, -1);
int offset = 0;
while (offset < accountcount) 
} catch (exception e) finally }};
service.submit(run);
}try catch (interruptedexception e) 
}

public string execute() throws exception 

string strthreadnum= lionconfigutils.getproperty("ts-tg-settle-service.tgsettlegroupjob.groupthreadnum");
if(isnumeric(strthreadnum))
executorservice service = executors.newfixedthreadpool(threadnum);
//得到所有要發的數量和latch數量。
int resultcount=tstgsettlegroupdao.selectcountsettlegrouptotuangoujob(starttime,endtime,statuslist);
int latchcount=0;
if(resultcount%pagesize==0)else
countdownlatch latch=new countdownlatch(latchcount);
//查詢每頁資料並傳送 直到查沒有了
int lastid = 0;
listentitylist = null;
while(true)else
if(collectionutils.isempty(entitylist))
" send group ： pagesize: "+pagesize +" startrow:"+startrow +" starttime: "+starttime+" endtime: "+endtime);
" send group ： pagesize: "+pagesize +" startrow:"+startrow +" starttime: "+starttime+" endtime: "+endtime);
service.submit(new managelistandsendthread(tstgsettlegroupdao,entitylist,settleaccountmessageproducer,latch,sleeptime));
lastid = entitylist.get(entitylist.size() - 1).getid();
} try catch (exception e)
return null;
}

public class managelistandsendthread implements runnablecatch (exception e)

}}finally 
}}

select id,accountid,accounttype,accountsubject,credit,debit,status,isbuffer,accountdirection,balance,frozenbalance,addtime,updatetime

from account
where accounttype = 2
order by id
limit 1825000, 10;
select id,accountid,accounttype,accountsubject,credit,debit,status,isbuffer,accountdirection,balance,frozenbalance,addtime,updatetime
from account
where accounttype = 2 and id >= 2790048
order by id asc
limit 10;
select id,accountid,accounttype,accountsubject,credit,debit,status,isbuffer,accountdirection,balance,frozenbalance,addtime,updatetime
from account 
where accounttype = 2 and id >(
select id from account order by id limit 1825000,1 
) order by id limit 10;

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