本文整理汇总了C++中Topic类的典型用法代码示例。如果您正苦于以下问题：C++ Topic类的具体用法？C++ Topic怎么用？C++ Topic使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Topic类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getTopic
uint16_t Topics::getTopicId(MQString* topic){
Topic *p = getTopic(topic);
if ( p != NULL) {
return p->getTopicId();
}
return 0;
}示例2: Topic
/*=====================================
Class Topics
======================================*/
Topics::Topics(){
Topic* tp = new Topic(string(MQTTSN_TOPIC_PREDEFINED_TIME));
tp->setTopicId(MQTTSN_TOPICID_PREDEFINED_TIME);
_topics.push_back(tp);
_cnt = 1;
_nextTopicId = MQTTSN_TOPICID_NORMAL;
}示例3: getTopic
int Topics::execCallback(MQString* topic, MqttsnPublish* msg) {
Topic* p = getTopic(topic);
if ( p != 0) {
return p->execCallback(msg);
}
return 0;
}示例4: get
String WIFI::get(Topic &topic) {
if (topic.itemIs(3, "macAddress")) {
return macAddress();
} else if (topic.itemIs(3, "scanResult")){
return scanResult();
} else {
return TOPIC_NO;
}
}示例5: set
String WIFI::set(Topic &topic) {
if (topic.itemIs(3, "scan")) {
return scanWifi();
} else {
return TOPIC_NO;
}
}示例6: get
String customDevice::get(Topic &topic) {
/*
~/get
└─device (level 2)
└─sensor1 (level 3)
*/
logging.debug("device get topic " + topic.topic_asString());
if (topic.getItemCount() != 4) // ~/get/device/sensor1
return TOPIC_NO;
if (topic.itemIs(3, "sensor1")) {
return String(measure());
} else {
return TOPIC_NO;
}
}示例7: set
String customDevice::set(Topic &topic) {
/*
~/set
└─device (level 2)
└─yourItem (level 3)
*/
logging.debug("device set topic " + topic.topic_asString() + " to " +
topic.arg_asString());
if (topic.getItemCount() != 4) // ~/set/device/yourItem
return TOPIC_NO;
if (topic.itemIs(3, "yourItem")) {
return TOPIC_OK;
} else {
return TOPIC_NO;
}
}示例8: section_beg
void TXTWriter::renderSectionStart(ostream& out, const string& id)
{
const string& sectTopicID = m_data->getElementProperty(id, "topic");
const string& sectDesc = m_data->getElementProperty(id, "desc");
if ( m_printDetailed )
out << "/section id=" << id << "/ ";
out << endl << endl << section_beg() << m_data->getElementProperty(id, "type") ;
if (sectDesc != "")
out << " - " << sectDesc;
if (sectTopicID != "")
{
Topic* topic = Topics::getTopicFromAll(sectTopicID, m_data->conventions().getTopics());
out << " {" << topic->getLabel() << "} ";
}
out << section_end() << endl;
}示例9: GetEveryWordInOneTopicByWordProperty
void IsPolitics::GetEveryWordInOneTopicByWordProperty(Topic &onetopic) {
this->topic_word_size=0;
this->keyword_map.clear();
// std::cout<<"mapsize: "<<this->keyword_map.size()<<std::endl;
std::vector<WeiboWord>::iterator or_it;
std::list<Weibo>::iterator t_w_it;
t_w_it = onetopic.GetTopicWeibo()->begin();
for(;t_w_it != onetopic.GetTopicWeibo()->end();++t_w_it){
std::vector<WeiboWord> resultword;
this->SplitWeiboSplit(t_w_it->spilt,resultword);
or_it = resultword.begin();
for (; or_it != resultword.end(); ++or_it) {
onetopic.allweibowordnum++;
this-> topic_word_size++;
this->AddKeyToMapWithProperty(*or_it);
}
}
}示例10: Cal_Words_Topic_Distance
/*@input
* Topic:话题
* TopicWord:特征词
* 计算簇与特征词之间的距离
*/
double Cluster::Cal_Words_Topic_Distance(Topic &topic, TopicWord &topic_word) {
double topic_word_dis = 0.0;
std::string keyword = topic_word.GetTopicWord();
std::map<std::string, double>* map_map;
std::map<string, CooccurrenceWord>::iterator co_it = co_ccur_matrix.find(keyword);
if (co_it != co_ccur_matrix.end()) {
map_map = co_it->second.GetWordCooccurrence();
} else {
return 0.0;
}
list<TopicWord>::iterator clu_it = topic.GetsTopic()->begin();//这里一定要指针？？为什么？
std::string one_topic_word;
std::map<std::string, double>::iterator second_it;
for (; clu_it != topic.GetsTopic()->end(); ++clu_it) {
one_topic_word = clu_it->GetTopicWord();
second_it = map_map->find(one_topic_word);
if (second_it != map_map->end()) {
topic_word_dis += second_it->second;
}
}
return topic_word_dis / topic.GetsTopic()->size();
}示例11: insert
void Tag::insert(Topic& topic) {
/*
find the given topic_id with the given last_post_time
if it exists, remove it
insert the given topic.
*/
TopicList::iterator search_iter = _topic_list.find_topic(topic);
if (search_iter != _topic_list.end() && (*search_iter).time() != topic.time()) {
_topic_list.erase(search_iter);
_topic_list.insert(topic);
} else {
_topic_list.insert(topic);
}
}示例12: set
String customDevice::set(Topic &topic) {
/*
~/set
└─device (level 2)
└─deviceCFG (level 3)
└─index (level 4) individual setting
└─value (level 4) individual setting
└─scanBus (level 4) scan 1W-Bus for new devices
*/
logging.debug("device set topic " + topic.topic_asString() + " to " +
topic.arg_asString());
String ret = TOPIC_NO;
if (topic.itemIs(3, "deviceCFG")) {
//modify dashboard-------------------
if (topic.itemIs(4, "addItem")) {
modifyDashboard();
return TOPIC_OK;
}
}
return ret;
}示例13: sw
void Cluster::ListEveryTopicWeiboId(Topic &one_topic) {
list<TopicWord>::iterator topic_it = one_topic.GetsTopic()->begin();
std::map<std::string, double> *topic_weibo_id_map =one_topic.GetTopicWeiboId();
std::map<std::string, double>::iterator topic_weibo_id_map_it;
one_topic.topic_message_num = 0;
for (; topic_it != one_topic.GetsTopic()->end(); ++topic_it) {
std::set<std::string>::iterator topicword_weibolist_it =
topic_it->GetWordToWeiboidList()->begin();
for (; topicword_weibolist_it
!= topic_it->GetWordToWeiboidList()->end(); ++topicword_weibolist_it) {
std::string weiboid = *topicword_weibolist_it;
topic_weibo_id_map_it = topic_weibo_id_map->find(weiboid);
if (topic_weibo_id_map_it != topic_weibo_id_map->end()) {
topic_weibo_id_map_it->second = topic_weibo_id_map_it->second + 1;
} else {
topic_weibo_id_map->insert(make_pair(weiboid, 1.0));
}
}
}
topic_weibo_id_map_it = topic_weibo_id_map->begin();
for (; topic_weibo_id_map_it != topic_weibo_id_map->end(); ++topic_weibo_id_map_it) {
if (topic_weibo_id_map_it->second >= this->BELONG_TOPIC_THROD) {
subword sw(topic_weibo_id_map_it->first,topic_weibo_id_map_it->second);
one_topic.GetWeiboIdList()->push_back(sw);
one_topic.topic_message_num += 1;
}
}
one_topic.GetTopicWeiboId()->clear();
std::sort(one_topic.GetWeiboIdList()->begin(),
one_topic.GetWeiboIdList()->end(), weibosort);
//及时清除内存
if(one_topic.topic_message_num<=this->MIN_TOPIC_MESSAGE_NUM) {
one_topic.weibo_id_list.clear();
std::vector<subword>(one_topic.weibo_id_list).swap(one_topic.weibo_id_list);
}
//将得出的结果存进数据库
}示例14: printMessages
bool MyEventHandler::processEvent(const Event& event, ProviderSession* session)
{
if (event.eventType() == Event::SESSION_STATUS) {
printMessages(event);
MessageIterator iter(event);
while (iter.next()) {
Message msg = iter.message();
if (msg.messageType() == SESSION_TERMINATED) {
g_running = false;
}
}
}
else if (event.eventType() == Event::TOPIC_STATUS) {
TopicList topicList;
MessageIterator iter(event);
while (iter.next()) {
Message msg = iter.message();
std::cout << msg << std::endl;
if (msg.messageType() == TOPIC_SUBSCRIBED) {
std::string topicStr = msg.getElementAsString("topic");
MutexGuard guard(&g_mutex);
MyStreams::iterator it = g_streams.find(topicStr);
if (it == g_streams.end()) {
// TopicList knows how to add an entry based on a
// TOPIC_SUBSCRIBED message.
topicList.add(msg);
it = (g_streams.insert(MyStreams::value_type(
topicStr,
new MyStream(topicStr)))).first;
}
it->second->setSubscribedState(true);
if (it->second->isAvailable()) {
++g_availableTopicCount;
}
}
else if (msg.messageType() == TOPIC_UNSUBSCRIBED) {
std::string topicStr = msg.getElementAsString("topic");
MutexGuard guard(&g_mutex);
MyStreams::iterator it = g_streams.find(topicStr);
if (it == g_streams.end()) {
// we should never be coming here. TOPIC_UNSUBSCRIBED can
// not come before a TOPIC_SUBSCRIBED or TOPIC_CREATED
continue;
}
if (it->second->isAvailable()) {
--g_availableTopicCount;
}
it->second->setSubscribedState(false);
}
else if (msg.messageType() == TOPIC_CREATED) {
std::string topicStr = msg.getElementAsString("topic");
MutexGuard guard(&g_mutex);
MyStreams::iterator it = g_streams.find(topicStr);
if (it == g_streams.end()) {
it = (g_streams.insert(MyStreams::value_type(
topicStr,
new MyStream(topicStr)))).first;
}
try {
Topic topic = session->getTopic(msg);
it->second->setTopic(topic);
} catch (blpapi::Exception &e) {
std::cerr
<< "Exception in Session::getTopic(): "
<< e.description()
<< std::endl;
continue;
}
if (it->second->isAvailable()) {
++g_availableTopicCount;
}
}
else if (msg.messageType() == TOPIC_RECAP) {
// Here we send a recap in response to a Recap request.
try {
std::string topicStr = msg.getElementAsString("topic");
MyStreams::iterator it = g_streams.find(topicStr);
MutexGuard guard(&g_mutex);
if (it == g_streams.end() || !it->second->isAvailable()) {
continue;
}
Topic topic = session->getTopic(msg);
Service service = topic.service();
CorrelationId recapCid = msg.correlationId();
Event recapEvent = service.createPublishEvent();
EventFormatter eventFormatter(recapEvent);
eventFormatter.appendRecapMessage(topic, &recapCid);
eventFormatter.setElement("numRows", 25);
eventFormatter.setElement("numCols", 80);
eventFormatter.pushElement("rowUpdate");
for (int i = 1; i < 6; ++i) {
eventFormatter.appendElement();
eventFormatter.setElement("rowNum", i);
eventFormatter.pushElement("spanUpdate");
eventFormatter.appendElement();
eventFormatter.setElement("startCol", 1);
eventFormatter.setElement("length", 10);
eventFormatter.setElement("text", "RECAP");
eventFormatter.popElement();
//.........这里部分代码省略.........
示例15: printf
/*-------------------------------------------------------
Upstream MQTTSnSubscribe
-------------------------------------------------------*/
void GatewayControlTask::handleSnSubscribe(Event* ev, ClientNode* clnode, MQTTSnMessage* msg){
printf(FORMAT2, currentDateTime(), "SUBSCRIBE", LEFTARROW, clnode->getNodeId()->c_str(), msgPrint(msg));
MQTTSnSubscribe* sSubscribe = new MQTTSnSubscribe();
MQTTSubscribe* subscribe = new MQTTSubscribe();
sSubscribe->absorb(msg);
uint8_t topicIdType = sSubscribe->getFlags() & 0x03;
subscribe->setMessageId(sSubscribe->getMsgId());
if(sSubscribe->getFlags() & MQTTSN_FLAG_DUP ){
subscribe->setDup();
}
if(sSubscribe->getFlags() & MQTTSN_FLAG_RETAIN){
subscribe->setRetain();
}
subscribe->setQos(sSubscribe->getQos());
if(topicIdType != MQTTSN_FLAG_TOPICID_TYPE_RESV){
if(topicIdType == MQTTSN_FLAG_TOPICID_TYPE_PREDEFINED){
/*----- Predefined TopicId ------*/
MQTTSnSubAck* sSuback = new MQTTSnSubAck();
if(sSubscribe->getMsgId()){ // MessageID
sSuback->setQos(sSubscribe->getQos());
sSuback->setTopicId(sSubscribe->getTopicId());
sSuback->setMsgId(sSubscribe->getMsgId());
if(sSubscribe->getTopicId() == MQTTSN_TOPICID_PREDEFINED_TIME){
sSuback->setReturnCode(MQTT_RC_ACCEPTED);
}else{
sSuback->setReturnCode(MQTT_RC_REFUSED_IDENTIFIER_REJECTED);
}
clnode->setClientSendMessage(sSuback);
Event* evsuback = new Event();
evsuback->setClientSendEvent(clnode);
printf(FORMAT1, currentDateTime(), "SUBACK", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(sSuback));
_res->getClientSendQue()->post(evsuback);
}
if(sSubscribe->getTopicId() == MQTTSN_TOPICID_PREDEFINED_TIME){
MQTTSnPublish* pub = new MQTTSnPublish();
pub->setTopicIdType(1); // pre-defined
pub->setTopicId(MQTTSN_TOPICID_PREDEFINED_TIME);
pub->setMsgId(clnode->getNextSnMsgId());
uint8_t buf[4];
uint32_t tm = time(0);
setUint32(buf,tm);
pub->setData(buf, 4);
printf(GREEN_FORMAT1, currentDateTime(), "PUBLISH", RIGHTARROW, clnode->getNodeId()->c_str(), msgPrint(pub));
clnode->setClientSendMessage(pub);
Event *evpub = new Event();
evpub->setClientSendEvent(clnode);
_res->getClientSendQue()->post(evpub);
}
delete subscribe;
}else{
uint16_t tpId;
Topic* tp = clnode->getTopics()->getTopic(sSubscribe->getTopicName());
if (tp){
tpId = tp->getTopicId();
}else{
tpId = clnode->getTopics()->createTopic(sSubscribe->getTopicName());
}
subscribe->setTopic(sSubscribe->getTopicName(), sSubscribe->getQos());
if(sSubscribe->getMsgId()){
MQTTSnSubAck* sSuback = new MQTTSnSubAck();
sSuback->setMsgId(sSubscribe->getMsgId());
sSuback->setTopicId(tpId);
clnode->setWaitedSubAck(sSuback);
}
clnode->setBrokerSendMessage(subscribe);
Event* ev1 = new Event();
ev1->setBrokerSendEvent(clnode);
_res->getBrokerSendQue()->post(ev1);
delete sSubscribe;
return;
}
}else{
/*-- Irregular TopicIdType --*/
if(sSubscribe->getMsgId()){
MQTTSnSubAck* sSuback = new MQTTSnSubAck();
sSuback->setMsgId(sSubscribe->getMsgId());
sSuback->setTopicId(sSubscribe->getTopicId());
//.........这里部分代码省略.........