public void Commit( CommitStage c )
{
if ( Saved ) return;
if ( c == CommitStage.Prepare )
{
// Save the pages to the underlying stream.
foreach ( G.KeyValuePair<long,IndexPage> pair in PageMap )
{
IndexPage p = pair.Value;
if ( !p.Saved )
{
p.WriteHeader();
F.Position = (long)p.PageId * IndexPage.PageSize;
// For last page, only write the amount actually used (so file size is minimised)
F.Write( p.Data, 0, p.PageId == PageAlloc-1 ? p.Size() : IndexPage.PageSize );
p.Saved = true;
}
}
}
else if ( c == CommitStage.Rollback )
{
PageMap.Clear();
Initialise();
}
else F.Commit( c );
if ( c >= CommitStage.Flush ) Saved = true;
}
/* Private methods */
void Commit( CommitStage c )
{
SysString.Commit( c );
SysBinary.Commit( c );
SysStringIndex.Commit( c );
SysBinaryIndex.Commit( c );
foreach( G.KeyValuePair<string,Schema> p in SchemaDict )
foreach( G.KeyValuePair<string,TableExpression> q in p.Value.TableDict )
q.Value.Commit( c );
}
public override void Commit(CommitStage c)
{
if (!Dirty)
{
return;
}
DataFile.Commit(c);
foreach (G.KeyValuePair <long, IndexFile> p in IxDict)
{
p.Value.Commit(c);
}
if (c >= CommitStage.Flush)
{
Dirty = false;
}
}