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Ref T515, allow to override the timestamps

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Rational: Sometime we want to keep a certain order of status messages,
and this can be achieved "by that trick"
This commit is contained in:
Klaus Basan
2019-01-30 19:59:26 +01:00
committed by Mat Sutcliffe
parent 407aaba746
commit e3da559c5e
2 changed files with 48 additions and 0 deletions
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38
src/blackmisc/timestampobjectlist.cpp
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@@ -294,6 +294,44 @@ namespace BlackMisc
}
}
template<class OBJ, class CONTAINER>
void ITimestampObjectList<OBJ, CONTAINER>::push_backIncreaseTimestamp(const OBJ &newObject)
{
if (this->container().isEmpty())
{
this->container().push_back(newObject);
return;
}
const qint64 newMs = newObject.getMSecsSinceEpoch();
const qint64 oldMs = this->container().back().getMSecsSinceEpoch();
if (newMs > oldMs)
{
this->container().push_back(newObject);
return;
}
this->push_backOverrideTimestamp(newObject, oldMs + 1);
}
template<class OBJ, class CONTAINER>
void ITimestampObjectList<OBJ, CONTAINER>::push_backOverrideTimestamp(const OBJ &newObject, qint64 newTsMsSinceEpoch)
{
OBJ newObjectCopy(newObject);
newObjectCopy.setMSecsSinceEpoch(newTsMsSinceEpoch);
this->container().push_back(newObjectCopy);
}
template<class OBJ, class CONTAINER>
void ITimestampObjectList<OBJ, CONTAINER>::setNewTimestampStartingLast(qint64 startTimeStampMs, qint64 deltaTimeMs)
{
if (this->container().isEmpty()) { return; }
qint64 currentMs = startTimeStampMs;
for (auto it = this->container().rbegin(); it != this->container().rend(); ++it)
{
it->setMSecsSinceEpoch(currentMs);
currentMs += deltaTimeMs;
}
}
template<class OBJ, class CONTAINER>
int ITimestampObjectList<OBJ, CONTAINER>::replaceIfSameTimestamp(const OBJ &newObject)
{

10
src/blackmisc/timestampobjectlist.h
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@@ -132,6 +132,16 @@ namespace BlackMisc
//! Insert as first element by keeping maxElements and the latest first
void push_frontKeepLatestFirst(const OBJ &value, bool replaceSameTimestamp = true, int maxElements = -1);
//! Push back and increase the timestamp at least by +1ms if equal to last element
//! \remark if the timestamp is already greater it does not modifcation
void push_backIncreaseTimestamp(const OBJ &newObject);
//! Push back, but set new timestamp
void push_backOverrideTimestamp(const OBJ &newObject, qint64 newTsMsSinceEpoch);
//! Set new timestamps starting with the last element
void setNewTimestampStartingLast(qint64 startTimeStampMs, qint64 deltaTimeMs);
//! Replace if an object has the same timestamp
int replaceIfSameTimestamp(const OBJ &newObject);