metrivis::SQL2JsonConverter Class Reference

Converts the SQL reply to JSON format. More...

#include <SQL2JsonConverter.h>

Inheritance diagram for metrivis::SQL2JsonConverter:

Public Member Functions
	SQL2JsonConverter ()
	Default constructor.
virtual	~SQL2JsonConverter ()
	Deconstructor.
virtual void	Execute ()
	Executes the SQL2JsonConverter. Produces ouput data from input.
void	set_target (const std::string &target)
	Interface function to member variable target.
void	set_type (const std::string &type)
	Interface function to member variable type.
void	set_action (const std::string &action)
	Interface function to member variable action.
void	set_callback (const std::string &callback)
	Interface function to member variable callback.
Protected Member Functions
void	ExecuteSelect ()
	Separate execution function for SQL SELECT commands.
void	ExecuteDelete ()
	Separate execution function for SQL DELETE commands.
void	ExecuteInsert ()
	Separate execution function for SQL INSERT commands.
Private Attributes
std::string	target_
	The SQL column names to retrieve.
std::string	type_
	The type of the return value.
std::string	action_
	The SQL action to execute.
std::string	callback_
	Callback function to be called.

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Detailed Description

Converts the SQL reply to JSON format.

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Constructor & Destructor Documentation

metrivis::SQL2JsonConverter::SQL2JsonConverter

(

)

Default constructor.

Constructor.

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Member Function Documentation

void metrivis::SQL2JsonConverter::Execute

(

)

[virtual]

Executes the SQL2JsonConverter. Produces ouput data from input.

Executes this process and evaluates this input data and creates output from it. Abstract function needs to be overloaded.

See header file for more information.

Implements metrivis::PipelineProcess.

void metrivis::SQL2JsonConverter::set_target

(

const std::string &

target

)

[inline]

Interface function to member variable target.

Parameters:

target,:

The name of the columns to retrieve.

void metrivis::SQL2JsonConverter::set_type

(

const std::string &

type

)

[inline]

Interface function to member variable type.

Parameters:

target,:

The type of the data to retrieve {"string", "double"}.

void metrivis::SQL2JsonConverter::set_action

(

const std::string &

action

)

[inline]

Interface function to member variable action.

Parameters:

action,:

The SQL action to be executed.

The action may be one of the following SQL commands:

• SELECT (requires table, target)
• INSERT (requires table, argument)
• DELETE (requires table, argument)

void metrivis::SQL2JsonConverter::set_callback

(

const std::string &

callback

)

[inline]

Interface function to member variable callback.

Parameters:

target,:

The callback function to be called client side (JavaScript).

This function will be called on the client side once the data is been delivered to the client.

void metrivis::SQL2JsonConverter::ExecuteSelect

(

)

[protected]

Separate execution function for SQL SELECT commands.

See header file for more information.

void metrivis::SQL2JsonConverter::ExecuteDelete

(

)

[protected]

Separate execution function for SQL DELETE commands.

See header file for more information.

void metrivis::SQL2JsonConverter::ExecuteInsert

(

)

[protected]

Separate execution function for SQL INSERT commands.

See header file for more information.

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

• src/SQL2JsonConverter.h
• src/SQL2JsonConverter.cc

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