116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
#include "alarmEventUtils.h"
|
||
|
||
///////------AlarmEventDataFilter-----
|
||
AlarmEventDataFilter::AlarmEventDataFilter()
|
||
{
|
||
reset();
|
||
}
|
||
|
||
void AlarmEventDataFilter::reset()
|
||
{
|
||
m_beginTime = QDateTime();
|
||
m_endTime = QDateTime();
|
||
m_station.clear();
|
||
m_bay.clear();
|
||
m_type = -1;
|
||
m_severity.clear();
|
||
m_description.clear();
|
||
m_status = -1;
|
||
}
|
||
|
||
bool AlarmEventDataFilter::isEmpty()
|
||
{
|
||
return !m_beginTime.isValid() &&
|
||
!m_endTime.isValid() &&
|
||
m_station.isEmpty() &&
|
||
m_bay.isEmpty() &&
|
||
m_type == -1 &&
|
||
m_severity.isEmpty() &&
|
||
m_description.isEmpty() &&
|
||
m_status == -1;
|
||
}
|
||
|
||
bool AlarmEventDataFilter::matches(const EventData& event)
|
||
{
|
||
QDateTime eventTime = QDateTime::fromMSecsSinceEpoch(event.timestamp);
|
||
if(m_beginTime.isValid() && eventTime < m_beginTime)
|
||
return false;
|
||
if(m_endTime.isValid() && eventTime > m_endTime)
|
||
return false;
|
||
|
||
if(!m_station.isEmpty() && event.stationName != m_station)
|
||
return false;
|
||
|
||
if(!m_bay.isEmpty() && event.bayName != m_bay)
|
||
return false;
|
||
|
||
if(m_type != -1 && event.type != m_type)
|
||
return false;
|
||
|
||
if(!m_severity.isEmpty() && event.severity != m_severity)
|
||
return false;
|
||
|
||
if(!m_description.isEmpty() && event.description != m_description)
|
||
return false;
|
||
|
||
if(m_status != -1 && event.status != m_status)
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
void AlarmEventDataFilter::clear()
|
||
{
|
||
reset();
|
||
}
|
||
|
||
QVector<EventData> AlarmEventDataFilter::apply(const QVector<EventData>& events)
|
||
{
|
||
if(isEmpty())
|
||
return events;
|
||
|
||
QVector<EventData> filteredEvents;
|
||
filteredEvents.reserve(events.size()); //分配好内存，防止后面执行append时造成的多次扩容开销
|
||
|
||
for(const EventData& event : events)
|
||
{
|
||
if(matches(event))
|
||
filteredEvents.append(event);
|
||
}
|
||
|
||
return filteredEvents; //RVO + QT的隐式共享(QVector)，不用担心开销
|
||
}
|
||
|
||
|
||
///////------AlarmEventDataFilter-----
|
||
AlarmEventCache::AlarmEventCache()
|
||
: m_maxSize(10000)
|
||
{}
|
||
|
||
void AlarmEventCache::trimToSize()
|
||
{
|
||
if(m_events.size() > m_maxSize)
|
||
{
|
||
int removeCount = m_events.size() - m_maxSize;
|
||
for(int i = 0; i < removeCount; ++i)
|
||
m_events.removeFirst();
|
||
}
|
||
}
|
||
|
||
void AlarmEventCache::setMaxSize(int maxSize)
|
||
{
|
||
m_maxSize = maxSize;
|
||
trimToSize();
|
||
}
|
||
|
||
void AlarmEventCache::clear()
|
||
{
|
||
m_events.clear();
|
||
}
|
||
|
||
void AlarmEventCache::addEvent(const EventData& event)
|
||
{
|
||
m_events.append(event);
|
||
trimToSize();
|
||
}
|