subscription 테이블에 대한 변경사항, 정의된 토픽 목록이나 액세스 제어 목록(ACL)의 변경사항의 공고를 제공하도록 이벤트가 publish됩니다.
$SYS/Broker/broker_name/Subscription/topic
각 publication의 본문은 등록이나 등록취소 요청과 관련된 추가 정보를 제공하는 XML 메시지입니다.
이 이벤트는 비지속적, 비보유 publication입니다.
Event publication topic = "$SYS/Broker/Broker1/Subscription/stock/IBM" <Broker uuid="1234" label="Broker1" version="1"> <ControlGroup> <DynamicSubscriptionEngine> <Topic name="stock/IBM"> <Create> <Subscription clientId="mqrfh2:Broker1:client1queue" subscriptionPoint="poundsSterling" filter="currentPrice>100" user="Fred" persistent="true" localOnly="false" pubOnReqOnly="false" informIfRet="true" expiryTimeStamp="2000-12-31 23:59:59" createTimeStamp="2000-01-01 00:00:00" tempDynamicQueue="false" clientContext="hex digits"/> </Create> </Topic> </DynamicSubscriptionEngine> </ControlGroup> </Broker>
Event publication topic = "$SYS/Broker/Broker1/Subscription/stock/IBM" <Broker uuid="1234" label="Broker1" version="1"> <ControlGroup> <DynamicSubscriptionEngine> <Topic name="stock/IBM"> <Change> <Subscription clientId="mqrfh2:Broker1:client1queue" subscriptionPoint="poundsSterling" filter="currentPrice>100" user="Fred" persistent="false" localOnly="true" pubOnReqOnly="true" informIfRet="false" expiryTimeStamp="2005-12-31 23:59:59" createTimeStamp="2000-01-01 00:00:00" tempDynamicQueue="false" clientContext="hex digits"/> </Change> </Topic> </DynamicSubscriptionEngine> </ControlGroup> </Broker>
Event publication topic = "$SYS/Broker/Broker1/Subscription/stock/IBM" <Broker uuid="1234" label="Broker1" version="1"> <ControlGroup> <DynamicSubscriptionEngine> <Topic name="stock/IBM"> <Delete> <Subscription clientId="mqrfh2:Broker1:client1queue" subscriptionPoint="poundsSterling" filter="currentPrice>100" user="Fred"/> </Delete> </Topic> </DynamicSubscriptionEngine> </ControlGroup> </Broker>