Restores state when an update loop over mSequences fails midway. More...

Collaboration diagram for WaveClip::Transaction:

Public Member Functions
	Transaction (WaveClip &clip)

	~Transaction ()

void	Commit ()

Public Attributes
WaveClip &	clip

std::vector< std::unique_ptr< Sequence > >	sequences

const double	mTrimLeft

const double	mTrimRight

bool	committed { false }

Detailed Description

Restores state when an update loop over mSequences fails midway.

Definition at line 930 of file WaveClip.h.

Constructor & Destructor Documentation

◆ Transaction()

WaveClip::Transaction::Transaction ( WaveClip & clip )

explicit

Does not copy un-flushed append buffer data

Definition at line 2050 of file WaveClip.cpp.

   : clip{ clip }
   , mTrimLeft{ clip.mTrimLeft }
   , mTrimRight{ clip.mTrimRight }
{
   sequences.reserve(clip.mSequences.size());
   auto &factory = clip.GetFactory();
   for (auto &pSequence : clip.mSequences)
      sequences.push_back(
         std::make_unique<Sequence>(*pSequence, factory));
}

References clip, factory, WaveClip::GetFactory(), WaveClip::mSequences, and sequences.

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◆ ~Transaction()

WaveClip::Transaction::~Transaction ( )

Definition at line 2063 of file WaveClip.cpp.

{
   if (!committed) {
      clip.mSequences.swap(sequences);
      clip.mTrimLeft = mTrimLeft;
      clip.mTrimRight = mTrimRight;
   }
}

References WaveClip::mTrimLeft, and WaveClip::mTrimRight.

Member Function Documentation

◆ Commit()

void WaveClip::Transaction::Commit ( )

inline

Definition at line 933 of file WaveClip.h.

933{ committed = true; }

Referenced by WaveClip::Append(), WaveClip::Flush(), and WaveClip::SetSilence().

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Member Data Documentation

◆ clip

WaveClip& WaveClip::Transaction::clip

Definition at line 935 of file WaveClip.h.

Referenced by Transaction().

◆ committed

bool WaveClip::Transaction::committed { false }

Definition at line 939 of file WaveClip.h.

◆ mTrimLeft

const double WaveClip::Transaction::mTrimLeft

Definition at line 937 of file WaveClip.h.

◆ mTrimRight

const double WaveClip::Transaction::mTrimRight

Definition at line 938 of file WaveClip.h.

◆ sequences

std::vector<std::unique_ptr<Sequence> > WaveClip::Transaction::sequences

Definition at line 936 of file WaveClip.h.