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refs #581 Use JSON to store timestamps in data cache revision file.

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This commit is contained in:
Mathew Sutcliffe
2016-02-02 18:03:32 +00:00
parent ef38c1620f
commit 97fad301ae
4 changed files with 120 additions and 21 deletions
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15
src/blackmisc/valuecache.cpp
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@@ -62,6 +62,16 @@ namespace BlackMisc
return result;
}
QMap<QString, qint64> CValueCachePacket::toTimestampMap() const
{
QMap<QString, qint64> result;
for (auto it = cbegin(); it != cend(); ++it)
{
implementationOf(result).insert(result.cend(), it.key(), it.timestamp());
}
return result;
}
void CValueCachePacket::registerMetadata()
{
MetaType::registerMetadata();
@@ -259,13 +269,13 @@ namespace BlackMisc
{
QMutexLocker lock(&m_mutex);
CValueCachePacket values;
auto status = loadFromFiles(dir, getAllValues(), values);
auto status = loadFromFiles(dir, {}, getAllValues(), values);
values.setSaved();
insertValues(values);
return status;
}
CStatusMessage CValueCache::loadFromFiles(const QString &dir, const CVariantMap &currentValues, CValueCachePacket &o_values) const
CStatusMessage CValueCache::loadFromFiles(const QString &dir, const QSet<QString> &keys, const CVariantMap &currentValues, CValueCachePacket &o_values) const
{
if (! QDir(dir).isReadable())
{
@@ -285,6 +295,7 @@ namespace BlackMisc
}
CVariantMap temp;
temp.convertFromJson(json.object());
temp.removeByKeyIf([&keys](const QString &key) { return keys.contains(key); }); // TODO optimize by skipping files
temp.removeDuplicates(currentValues);
o_values.insert(temp, QFileInfo(file).lastModified().toMSecsSinceEpoch());
}