public static Set<MessageQueue> topicRouteData2TopicSubscribeInfo(
final String topic, final TopicRouteData route) {
Set<MessageQueue> mqList = new HashSet<MessageQueue>();
List<QueueData> qds = route.getQueueDatas();
for (QueueData qd : qds) {
if (PermName.isReadable(qd.getPerm())) {
for (int i = 0; i < qd.getReadQueueNums(); i++) {
MessageQueue mq = new MessageQueue(topic, qd.getBrokerName(), i);
mqList.add(mq);
}
}
}
return mqList;
}
@Override
public String toString() {
return "TopicConfig [topicName="
+ topicName
+ ", readQueueNums="
+ readQueueNums
+ ", writeQueueNums="
+ writeQueueNums
+ ", perm="
+ PermName.perm2String(perm)
+ ", topicFilterType="
+ topicFilterType
+ ", topicSysFlag="
+ topicSysFlag
+ ", order="
+ order
+ "]";
}
public static TopicPublishInfo topicRouteData2TopicPublishInfo(
final String topic, final TopicRouteData route) {
TopicPublishInfo info = new TopicPublishInfo();
// 顺序消息
if (route.getOrderTopicConf() != null && route.getOrderTopicConf().length() > 0) {
String[] brokers = route.getOrderTopicConf().split(";");
for (String broker : brokers) {
String[] item = broker.split(":");
int nums = Integer.parseInt(item[1]);
for (int i = 0; i < nums; i++) {
MessageQueue mq = new MessageQueue(topic, item[0], i);
info.getMessageQueueList().add(mq);
}
}
info.setOrderTopic(true);
}
// 非顺序消息
else {
List<QueueData> qds = route.getQueueDatas();
// 排序原因：即使没有配置顺序消息模式，默认队列的顺序同配置的一致。
Collections.sort(qds);
for (QueueData qd : qds) {
if (PermName.isWriteable(qd.getPerm())) {
for (int i = 0; i < qd.getWriteQueueNums(); i++) {
MessageQueue mq = new MessageQueue(topic, qd.getBrokerName(), i);
info.getMessageQueueList().add(mq);
}
}
}
info.setOrderTopic(false);
}
return info;
}
/** 发消息时，如果Topic不存在，尝试创建 */
public TopicConfig createTopicInSendMessageMethod(
final String topic,
final String defaultTopic,
final String remoteAddress,
final int clientDefaultTopicQueueNums) {
TopicConfig topicConfig = null;
boolean createNew = false;
try {
if (this.lockTopicConfigTable.tryLock(LockTimeoutMillis, TimeUnit.MILLISECONDS)) {
try {
topicConfig = this.topicConfigTable.get(topic);
if (topicConfig != null) return topicConfig;
TopicConfig defaultTopicConfig = this.topicConfigTable.get(defaultTopic);
if (defaultTopicConfig != null) {
if (PermName.isInherited(defaultTopicConfig.getPerm())) {
topicConfig = new TopicConfig(topic);
int queueNums =
clientDefaultTopicQueueNums > defaultTopicConfig.getWriteQueueNums()
? defaultTopicConfig.getWriteQueueNums()
: clientDefaultTopicQueueNums;
if (queueNums < 0) {
queueNums = 0;
}
topicConfig.setReadQueueNums(queueNums);
topicConfig.setWriteQueueNums(queueNums);
int perm = defaultTopicConfig.getPerm();
perm &= ~PermName.PERM_INHERIT;
topicConfig.setPerm(perm);
topicConfig.setTopicFilterType(defaultTopicConfig.getTopicFilterType());
} else {
log.warn(
"create new topic failed, because the default topic["
+ defaultTopic
+ "] no perm, "
+ defaultTopicConfig.getPerm()
+ " producer: "
+ remoteAddress);
}
} else {
log.warn(
"create new topic failed, because the default topic["
+ defaultTopic
+ "] not exist."
+ " producer: "
+ remoteAddress);
}
if (topicConfig != null) {
log.info(
"create new topic by default topic["
+ defaultTopic
+ "], "
+ topicConfig
+ " producer: "
+ remoteAddress);
this.topicConfigTable.put(topic, topicConfig);
createNew = true;
this.persist();
}
} finally {
this.lockTopicConfigTable.unlock();
}
}
} catch (InterruptedException e) {
log.error("createTopicInSendMessageMethod exception", e);
}
if (createNew) {
this.brokerController.registerBrokerAll();
}
return topicConfig;
}