/// <summary>
/// Creates a <see cref="ArchiveDetails"/> from a specific <see cref="ArchiveTableSummary{TKey,TValue}"/>
/// </summary>
public static ArchiveDetails Create <TKey, TValue>(ArchiveTableSummary <TKey, TValue> table)
where TKey : SnapTypeBase <TKey>, new()
where TValue : SnapTypeBase <TValue>, new()
{
ArchiveDetails details = new ArchiveDetails
{
Id = table.FileId,
FileName = table.SortedTreeTable.BaseFile.FilePath,
IsEmpty = table.IsEmpty,
FileSize = table.SortedTreeTable.BaseFile.ArchiveSize,
FirstKey = table.FirstKey.ToString(),
LastKey = table.LastKey.ToString()
};
#if SQLCLR
details.StartTime = DateTime.MinValue;
details.EndTime = DateTime.MaxValue;
#else
try
{
// Attempt to get timestamp range for archive file
dynamic firstKey = table.FirstKey;
dynamic lastKey = table.LastKey;
details.StartTime = firstKey.TimestampAsDate;
details.EndTime = lastKey.TimestampAsDate;
}
catch
{
// TKey implementation does not contain a TimestampAsDate property
details.StartTime = DateTime.MinValue;
details.EndTime = DateTime.MaxValue;
}
#endif
return(details);
}
/// <summary>
/// Adds an archive file to the list with the given state information.
/// </summary>
/// <param name="sortedTree">archive table to add</param>
public override void Add(SortedTreeTable <TKey, TValue> sortedTree)
{
if (m_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
ArchiveTableSummary <TKey, TValue> summary = new ArchiveTableSummary <TKey, TValue>(sortedTree);
m_list.m_fileSummaries.Add(sortedTree.ArchiveId, summary);
}
/// <summary>
/// Gets if the specified file is being.
/// MUST be called from a synchronized context.
/// </summary>
/// <param name="sortedTree"></param>
/// <returns></returns>
bool InternalIsFileBeingUsed(SortedTreeTable <TKey, TValue> sortedTree)
{
foreach (var snapshot in m_allSnapshots)
{
ArchiveTableSummary <TKey, TValue>[] tables = snapshot.Tables;
if (tables != null)
{
for (int x = 0; x < tables.Length; x++)
{
ArchiveTableSummary <TKey, TValue> summary = tables[x];
if (summary != null && summary.SortedTreeTable == sortedTree)
{
return(true);
}
}
}
}
return(false);
}