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occt/src/Message/Message_Report.hxx
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// Created on: 2017-06-26
// Created by: Andrey Betenev
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Message_Report_HeaderFile
#define _Message_Report_HeaderFile
#include <Message_Level.hxx>
#include <Message_ListOfAlert.hxx>
#include <Message_MetricType.hxx>
#include <NCollection_IndexedMap.hxx>
#include <NCollection_Sequence.hxx>
#include <Standard_Mutex.hxx>
class Message_CompositeAlerts;
class Message_Messenger;
class Message_Report;
DEFINE_STANDARD_HANDLE(Message_Report, Standard_Transient)
//! Container for alert messages, sorted according to their gravity.
//!
//! For each gravity level, alerts are stored in simple list.
//! If alert being added can be merged with another alert of the same
//! type already in the list, it is merged and not added to the list.
//!
//! This class is intended to be used as follows:
//!
//! - In the process of execution, algorithm fills report by alert objects
//! using methods AddAlert()
//!
//! - The result can be queried for presence of particular alert using
//! methods HasAlert()
//!
//! - The reports produced by nested or sequentially executed algorithms
//! can be collected in one using method Merge()
//!
//! - The report can be shown to the user either as plain text with method
//! Dump() or in more advanced way, by iterating over lists returned by GetAlerts()
//!
//! - Report can be cleared by methods Clear() (usually after reporting)
//!
//! Message_PrinterToReport is a printer in Messenger to convert data sent to messenger into report
class Message_Report : public Standard_Transient
{
public:
//! Empty constructor
Standard_EXPORT Message_Report ();
//! Add alert with specified gravity.
//! This method is thread-safe, i.e. alerts can be added from parallel threads safely.
Standard_EXPORT void AddAlert (Message_Gravity theGravity, const Handle(Message_Alert)& theAlert);
//! Returns list of collected alerts with specified gravity
Standard_EXPORT const Message_ListOfAlert& GetAlerts (Message_Gravity theGravity) const;
//! Returns true if specific type of alert is recorded
Standard_EXPORT Standard_Boolean HasAlert (const Handle(Standard_Type)& theType);
//! Returns true if specific type of alert is recorded with specified gravity
Standard_EXPORT Standard_Boolean HasAlert (const Handle(Standard_Type)& theType, Message_Gravity theGravity);
//! Returns true if a report printer for the current report is registered in the messenger
//! @param theMessenger the messenger. If it's NULL, the default messenger is used
Standard_EXPORT Standard_Boolean IsActiveInMessenger (const Handle(Message_Messenger)& theMessenger = NULL) const;
//! Creates an instance of Message_PrinterToReport with the current report and register it in messenger
//! @param toActivate if true, activated else deactivated
//! @param theMessenger the messenger. If it's NULL, the default messenger is used
Standard_EXPORT void ActivateInMessenger (const Standard_Boolean toActivate,
const Handle(Message_Messenger)& theMessenger = NULL);
//! Updates internal flag IsActiveInMessenger.
//! It becomes true if messenger contains at least one instance of Message_PrinterToReport.
//! @param theMessenger the messenger. If it's NULL, the default messenger is used
Standard_EXPORT void UpdateActiveInMessenger (const Handle(Message_Messenger)& theMessenger = NULL);
//! Add new level of alerts
//! @param theLevel a level
Standard_EXPORT void AddLevel (Message_Level* theLevel, const TCollection_AsciiString& theName);
//! Remove level of alerts
Standard_EXPORT void RemoveLevel (Message_Level* theLevel);
//! Clears all collected alerts
Standard_EXPORT void Clear ();
//! Clears collected alerts with specified gravity
Standard_EXPORT void Clear (Message_Gravity theGravity);
//! Clears collected alerts with specified type
Standard_EXPORT void Clear (const Handle(Standard_Type)& theType);
//! Returns computed metrics when alerts are performed
const NCollection_IndexedMap<Message_MetricType>& ActiveMetrics() const { return myActiveMetrics; }
//! Sets metrics to compute when alerts are performed
//! @param theMetrics container of metrics
Standard_EXPORT void SetActiveMetric (const Message_MetricType theMetricType, const Standard_Boolean theActivate);
//! Removes all activated metrics
void ClearMetrics() { myActiveMetrics.Clear(); }
//! Returns maximum number of collecting alerts. If the limit is achieved,
//! first alert is removed, the new alert is added in the container.
//! @return the limit value
Standard_Integer Limit() const { return myLimit; }
//! Sets maximum number of collecting alerts.
//! @param theLimit limit value
void SetLimit(const Standard_Integer theLimit) { myLimit = theLimit; }
//! Dumps all collected alerts to stream
Standard_EXPORT void Dump (Standard_OStream& theOS);
//! Dumps collected alerts with specified gravity to stream
Standard_EXPORT void Dump (Standard_OStream& theOS, Message_Gravity theGravity);
//! Sends all collected alerts to messenger.
Standard_EXPORT virtual void SendMessages (const Handle(Message_Messenger)& theMessenger);
//! Dumps collected alerts with specified gravity to messenger.
//! Default implementation creates Message_Msg object with a message
//! key returned by alert, and sends it in the messenger.
Standard_EXPORT virtual void SendMessages (const Handle(Message_Messenger)& theMessenger,
Message_Gravity theGravity);
//! Merges data from theOther report into this
Standard_EXPORT void Merge (const Handle(Message_Report)& theOther);
//! Merges alerts with specified gravity from theOther report into this
Standard_EXPORT void Merge (const Handle(Message_Report)& theOther, Message_Gravity theGravity);
//! Dumps the content of me into the stream
Standard_EXPORT void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const;
// OCCT RTTI
DEFINE_STANDARD_RTTIEXT(Message_Report,Standard_Transient)
protected:
//! Returns class provided hierarchy of alerts if created or create if the parameter is true
//! @param isCreate if composite alert has not been created for this alert, it should be created
//! @return instance or NULL
Standard_EXPORT const Handle(Message_CompositeAlerts)& compositeAlerts (const Standard_Boolean isCreate = Standard_False);
//! Sends alerts to messenger
Standard_EXPORT void sendMessages (const Handle(Message_Messenger)& theMessenger, Message_Gravity theGravity,
const Handle(Message_CompositeAlerts)& theCompositeAlert);
//! Dumps collected alerts with specified gravity to stream
Standard_EXPORT void dumpMessages (Standard_OStream& theOS, Message_Gravity theGravity,
const Handle(Message_CompositeAlerts)& theCompositeAlert);
protected:
Standard_Mutex myMutex;
Handle(Message_CompositeAlerts) myCompositAlerts; //!< container of alerts
// clang-format off
NCollection_Sequence<Message_Level*> myAlertLevels; //!< container of active levels, new alerts are added below the latest level
// clang-format on
NCollection_IndexedMap<Message_MetricType> myActiveMetrics; //!< metrics to compute on alerts
Standard_Integer myLimit; //!< Maximum number of collected alerts on the top level
Standard_Boolean myIsActiveInMessenger; //! state whether the report is activated in messenger
};
#endif // _Message_Report_HeaderFile