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導(dǎo)讀:在上篇《SQL Server 2008中Service Broker基礎(chǔ)應(yīng)用(上)》中,簡(jiǎn)要介紹了Service Broker的一般步驟,本文繼續(xù)介紹Service Broker的設(shè)置會(huì)話優(yōu)先級(jí),存儲(chǔ)過程中實(shí)現(xiàn)。
一、Service Broker的設(shè)置會(huì)話優(yōu)先級(jí)
自SQL Server 2008起,對(duì)非?;钴S的Service Broker應(yīng)用程序,提供了設(shè)置優(yōu)先級(jí)的命令CREATE BROKER PRIORITY(http://msdn.microsoft.com/en-us/library/bb934170.ASPx)。通過該命令,可以設(shè)置從1至10共10個(gè)等級(jí)的顆粒度來調(diào)試會(huì)話的優(yōu)先級(jí),默認(rèn)為5。在此之前,你必須得首先打開HONOR_BROKER_PRIORITY開關(guān)。
-- 設(shè)置會(huì)話優(yōu)先級(jí)
--啟用會(huì)話優(yōu)先級(jí)選項(xiàng)
ALTER DATABASE BookStore
SET HONOR_BROKER_PRIORITY ON
--啟用會(huì)話優(yōu)先級(jí)選項(xiàng)
ALTER DATABASE BOOKDistribution
SET HONOR_BROKER_PRIORITY ON
--查看設(shè)置結(jié)果
SELECT name, is_honor_broker_priority_on
FROM sys.databases
WHERE name IN ('BookStore', 'BookDistribution')
/*
name is_honor_broker_priority_on
BookStore 1
BookDistribution 1
*/
USE BookStore
GO
CREATE BROKER PRIORITY Conv_Priority_BookOrderContract_BookOrderService
FOR CONVERSATION
SET (CONTRACT_NAME = [//SackConsulting/BookOrderContract],--特定的契約
LOCAL_SERVICE_NAME = [//SackConsulting/BookOrderService],--本地服務(wù)
REMOTE_SERVICE_NAME = ANY,--遠(yuǎn)程服務(wù)為ANY,即Service Broker端點(diǎn)的任何相關(guān)服務(wù)
PRIORITY_LEVEL =10)--設(shè)置優(yōu)先級(jí)為10
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