QH::DBPatch Struct Reference

DBPatch This is function that should be upgrade database. More...

#include <dbpatch.h>

Collaboration diagram for QH::DBPatch:

Public Member Functions
bool	isValid () const
	isValid This method check this oject to valid.

Public Attributes
unsigned short	versionFrom = 0
unsigned short	versionTo = 0
std::function< bool(QH::iObjectProvider *)>	action
	This is lymbda function with action that will upgrade data base to new versio.

Detailed Description

DBPatch This is function that should be upgrade database.

See also

DBPatchMap

DataBaseNode::dbPatch

Note

version is version number of the current database. After execute this path version of data base will be increment.

Definition at line 25 of file dbpatch.h.

Member Function Documentation

isValid()

bool QH::DBPatch::isValid

(

)

const

isValid This method check this oject to valid.

Returns

true if object is valid else false.

Definition at line 12 of file dbpatch.cpp.

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Member Data Documentation

action

std::function<bool (QH::iObjectProvider *)> QH::DBPatch::action

This is lymbda function with action that will upgrade data base to new versio.

Definition at line 35 of file dbpatch.h.

versionFrom

unsigned short QH::DBPatch::versionFrom = 0

This is version of data base that need to up. For example - we has a data base with version 1 and we want to upgrade to version 2 then you need to set cersion field version to 1.

Definition at line 28 of file dbpatch.h.

versionTo

unsigned short QH::DBPatch::versionTo = 0

This is version of data base that need to up. For example - we has a data base with version 1 and we want to upgrade to version 2 then you need to set cersion field version to 1.

Definition at line 32 of file dbpatch.h.

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

• src/public/dbpatch.h
• src/public/dbpatch.cpp