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Ref T24, adjusted readers

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* utility functions for shared info objects (count/timestamp)
* support for shared and DB info objects
* renamed functions reflecting using info objects now (no longer headers)
This commit is contained in:
Klaus Basan
2017-04-20 02:35:29 +02:00
parent db3370f8f7
commit 77c539b650
6 changed files with 159 additions and 72 deletions
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39
src/blackcore/db/databasereader.h
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@@ -181,8 +181,11 @@ namespace BlackCore
//! Cache`s number of entities
virtual int getCacheCount(BlackMisc::Network::CEntityFlags::Entity entity) const = 0;
//! Info objects available?
bool hasInfoObjects() const;
//! DB info objects available?
bool hasDbInfoObjects() const;
//! Shared info objects available?
bool hasSharedInfoObjects() const;
//! Header of shared file read (for single entity)?
bool hasSharedFileHeader(const BlackMisc::Network::CEntityFlags::Entity entity) const;
@@ -190,26 +193,34 @@ namespace BlackCore
//! Headers of shared file read (for single entity)?
bool hasSharedFileHeaders(const BlackMisc::Network::CEntityFlags::Entity entities) const;
//! Obtain latest object timestamp from info objects
//! Obtain latest object timestamp from DB info objects
//! \sa BlackCore::Db::CInfoDataReader
QDateTime getLatestEntityTimestampFromInfoObjects(BlackMisc::Network::CEntityFlags::Entity entity) const;
QDateTime getLatestEntityTimestampFromDbInfoObjects(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Obtain latest object timestamp from shared info objects
//! \sa BlackCore::Db::CInfoDataReader
QDateTime getLatestEntityTimestampFromSharedInfoObjects(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Header timestamp (last-modified) for shared file
//! \deprecated use getLatestEntityTimestampFromSharedInfoObjects
QDateTime getLatestSharedFileHeaderTimestamp(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Is the file timestamp neer than cache timestamp?
//! Is the file timestamp newer than cache timestamp?
//! \deprecated use isSharedInfoNewerThanCacheTimestamp
bool isSharedHeaderNewerThanCacheTimestamp(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Is the shared info timestamp newer than cache timestamp?
bool isSharedInfoObjectNewerThanCacheTimestamp(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Those entities where the timestamp of header is newer than the cache timestamp
BlackMisc::Network::CEntityFlags::Entity getEntitesWithNewerHeaderTimestamp(BlackMisc::Network::CEntityFlags::Entity entities) const;
//! Those entities where the timestamp of shared info obejct is newer than the cache timestamp
BlackMisc::Network::CEntityFlags::Entity getEntitesWithNewerSharedInfoObject(BlackMisc::Network::CEntityFlags::Entity entities) const;
//! Request header of shared file
bool requestHeadersOfSharedFiles(BlackMisc::Network::CEntityFlags::Entity entities);
//! Count from info objects
//! \sa BlackCore::Db::CInfoDataReader
int getCountFromInfoObjects(BlackMisc::Network::CEntityFlags::Entity entity) const;
//! Status message (error message)
const QString &getStatusMessage() const;
@@ -256,9 +267,13 @@ namespace BlackCore
//! Check if terminated or error, otherwise split into array of objects
CDatabaseReader::JsonDatastoreResponse setStatusAndTransformReplyIntoDatastoreResponse(QNetworkReply *nwReply);
//! Info list (latest data timestamp)
//! DB Info list (latest data timestamps from DB web service)
//! \sa BlackCore::Db::CInfoDataReader
BlackMisc::Db::CDbInfoList infoList() const;
BlackMisc::Db::CDbInfoList getDbInfoObjects() const;
//! Shared info list (latest data timestamps from DB web service)
//! \sa BlackCore::Db::CInfoDataReader
BlackMisc::Db::CDbInfoList getSharedInfoObjects() const;
//! Config for given entity
CDatabaseReaderConfig getConfigForEntity(BlackMisc::Network::CEntityFlags::Entity entity) const;
@@ -307,7 +322,7 @@ namespace BlackCore
//! @}
private:
static BlackMisc::Network::CUrl s_workingSharedDbData; //!< one chhosen URL for all DB reader objects
static BlackMisc::Network::CUrl s_workingSharedDbData; //!< one choosen URL for all DB reader objects
//! Start reading in own thread (without config/caching)
//! \remarks can handle DB or shared file reads