pkgDepCache::Transaction Class Reference

Perform changes to the depcache atomically. More...

#include <apt-pkg/depcache.h>

Classes
struct	Private

Public Types
enum class	Behavior { COMMIT , ROLLBACK , AUTO }

Public Member Functions
	Transaction (pkgDepCache &cache, Behavior behavior)
void	commit ()
	Commit the transaction immediately.
void	rollback ()
	Rollback the transaction immediately.
void	temporaryRollback ()
	Like rollback, but can be called multiple times.
	~Transaction ()
	Commit or rollback the transaction based on default policy.

Detailed Description

Perform changes to the depcache atomically.

The default policy for a transaction is to rollback if the number of broken packages increased, otherwise to commit. Call commit() or rollback() to override the default policy.

Member Function Documentation

temporaryRollback()

void temporaryRollback

(

)

Like rollback, but can be called multiple times.

You can for example create a new transaction, then temporarily rollback to the state before the previous transaction in that transaction.

Referenced by rollback().

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

• apt-pkg/depcache.h
• apt-pkg/depcache.cc