QH::BigDataParser Class Reference

The BigDataParser class is main manager for control big data packages. More...

#include <bigdataparser.h>

Inheritance diagram for QH::BigDataParser:

Collaboration diagram for QH::BigDataParser:

Public Member Functions
	BigDataParser (AbstractNode *parentNode)
ParserResult	parsePackage (const QSharedPointer< PKG::AbstractData > &pkg, const Header &pkgHeader, AbstractNodeInfo *sender) override
	parsePackage This is main method of all childs classes of an AbstractNode class. This method work on own thread. If you ovveride this method you need to create this than an example:
int	version () const override
	version This method return version of parser object
QString	parserId () const override
	parserId This is id of the parsers. All parser will be synced betwin nodes by ids.
Public Member Functions inherited from QH::iParser
	iParser (AbstractNode *parentNode)
virtual	~iParser ()=default
template<class T >
void	registerPackageType ()
	registerPackageType This method register package type T. This is need to prepare pacakge for parsing in the parsePackage method.
template<class PackageClass , class HandlerType , class HandlerMethod >
ParserResult	commandHandler (HandlerType handlerObject, HandlerMethod method, const QSharedPointer< QH::PKG::AbstractData > &pkg, QH::AbstractNodeInfo *sender, const QH::Header &pkgHeader)
	commandHandler This method it is simple wrapper for the handle pacakges in the AbstractNode::parsePackage method. Exmaple of use :
const PacksMap &	registeredTypes () const
	registeredTypes This method return list of registered command.
QSharedPointer< PKG::AbstractData >	genPackage (unsigned short cmd) const
	genPackage This is factory method that generate data pacakge objects by command. All object should be registered before using this method.
bool	checkCommand (unsigned short cmd) const
	checkCommand This method check command are if registered type or not.
virtual void	initSupportedCommands ()
	initSupportedCommands This method will be invoked before add a parser into parser's storage. Use this method to register your command for this parser object. By default, this method does nothing, You still can register your command in the class constructor. But if you use inheritance between your APIs versions to you must use this method, because your constructors both all your commands, this broken API selector of your node.
QString	toString () const override
const PackagesVersionData &	multiVersionPackages () const
	multiVersionPackages return list of the supported multiversions packages.

Protected Member Functions
bool	newPackage (const QSharedPointer< PKG::BigDataHeader > &header, AbstractNodeInfo *sender, const Header &pkgHeader)
	newPackage This method process first header packge of the big data.
bool	processPart (const QSharedPointer< PKG::BigDataPart > &part, AbstractNodeInfo *sender, const QH::Header &pkgHeader)
	processPart This method process part of package
bool	processRequest (const QSharedPointer< PKG::BigDataRequest > &request, QH::AbstractNodeInfo *sender, const QH::Header &pkgHeader)
	finishPart This metho process last package of big data transaction.
bool	processBigDataWraper (const QSharedPointer< PKG::BigDataWraper > &request, AbstractNodeInfo *sender, const Header &pkgHeader)
	sendBigDataPackage This method separate big pacakge and sent only heder ot serve.
Protected Member Functions inherited from QH::iParser
AbstractNode *	node () const
virtual unsigned int	sendData (const PKG::AbstractData *resp, const HostAddress &address, const Header *req=nullptr) const
	sendData This method send data object another to node
virtual unsigned int	sendData (const PKG::AbstractData *resp, const AbstractNodeInfo *node, const Header *req=nullptr) const
	sendData This method send data object another to node

Additional Inherited Members
Static Public Member Functions inherited from QH::iParser
static QString	pareseResultToString (const ParserResult &parseResult)
	pareseResultToString This method convert ParserResult value to string.

Detailed Description

The BigDataParser class is main manager for control big data packages.

Definition at line 36 of file bigdataparser.h.

Constructor & Destructor Documentation

BigDataParser()

QH::BigDataParser::BigDataParser

(

AbstractNode *

parentNode

)

Definition at line 22 of file bigdataparser.cpp.

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Member Function Documentation

newPackage()

bool QH::BigDataParser::newPackage ( const QSharedPointer< PKG::BigDataHeader > &  header, AbstractNodeInfo *  sender, const Header &  pkgHeader  )

protected

newPackage This method process first header packge of the big data.

Parameters

header	This is header package.
pkgHeader	This is header of an incomming package.
sender	This is socket object of a sender that send this package.

Returns

true if packge processed successful else false

Definition at line 85 of file bigdataparser.cpp.

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parsePackage()

ParserResult QH::BigDataParser::parsePackage ( const QSharedPointer< PKG::AbstractData > &  pkg, const Header &  pkgHeader, AbstractNodeInfo *  sender  )

overridevirtual

parsePackage This is main method of all childs classes of an AbstractNode class. This method work on own thread. If you ovveride this method you need to create this than an example:

ParserResult DataBaseNode::parsePackage(PKG::AbstractData *pkg,
                                        const Header& pkgHeader,
                                        const AbstractNodeInfo* sender) {
    auto parentResult = AbstractNode::parsePackage(pkg, sender);
    if (parentResult != ParserResult::NotProcessed) {
        return parentResult;
    }
 
    // you can use parsing without the commandHandler method
    if (MyCommand::command() == pkg->cmd()) {
 
        BaseId requesterId = getSender(sender, &obj);
 
        ...
 
        if (FailCondition) {
            return ParserResult::Error;
        }
 
        ...
 
        return ParserResult::Processed;
 
    }
 
    // Or with the commandHandler method
 
    auto result = commandHandler<MyPackage>(this, &MyClass::processMyPackage, pkg, sender, pkgHeader);
    if (result != QH::ParserResult::NotProcessed) {
        return result;
    }
 
    return ParserResult::NotProcessed;
}

Parameters

pkg	This is package with incomming data.
sender	This is sender this pacakge.
pkgHeader	This is header of the incoming packet is used to create a response.

Returns

item of ParserResult. For more information see The ParserResult enum.

See also

AbstractNode::commandHandler

AbstractNode::sendData

AbstractNode::badRequest

Implements QH::iParser.

Definition at line 31 of file bigdataparser.cpp.

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parserId()

QString QH::BigDataParser::parserId ( ) const

overridevirtual

parserId This is id of the parsers. All parser will be synced betwin nodes by ids.

Returns

parser id.

Implements QH::iParser.

Definition at line 71 of file bigdataparser.cpp.

processBigDataWraper()

bool QH::BigDataParser::processBigDataWraper ( const QSharedPointer< PKG::BigDataWraper > &  request, AbstractNodeInfo *  sender, const Header &  pkgHeader  )

protected

sendBigDataPackage This method separate big pacakge and sent only heder ot serve.

Parameters

data	This is package that will be sent to remote node.
sender	This is request object.
pkgHeader	requested header.

Returns

true if package sent successful

Definition at line 195 of file bigdataparser.cpp.

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processPart()

bool QH::BigDataParser::processPart ( const QSharedPointer< PKG::BigDataPart > &  part, AbstractNodeInfo *  sender, const QH::Header &  pkgHeader  )

protected

processPart This method process part of package

Parameters

part	This is pacakge part.
pkgHeader	This is header of an incomming package.
sender	This is socket object of a sender that send this package.

Returns

true if packge processed successful else false

Definition at line 103 of file bigdataparser.cpp.

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processRequest()

bool QH::BigDataParser::processRequest ( const QSharedPointer< PKG::BigDataRequest > &  request, QH::AbstractNodeInfo *  sender, const QH::Header &  pkgHeader  )

protected

finishPart This metho process last package of big data transaction.

Parameters

request	this is shared pointer to last part of big data transaction.
pkgHeader	This is header of an incomming package.
sender	This is socket object of a sender that send this package.

Returns

true if pacakge parsed successful else false.

Definition at line 162 of file bigdataparser.cpp.

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version()

int QH::BigDataParser::version ( ) const

overridevirtual

version This method return version of parser object

Returns

version of parsed object.

Implements QH::iParser.

Definition at line 67 of file bigdataparser.cpp.

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The documentation for this class was generated from the following files:

• src/private/bigdataparser.h
• src/private/bigdataparser.cpp