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.

Here is the caller graph for this function:

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.

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

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

Public Member Functions