/// <summary>
/// Initializes a new instance of the <see cref="FileBackedLogMessageCollection"/> class backed by
/// a <see cref="LogFile"/>.
/// </summary>
/// <param name="file">Log file to work on.</param>
/// <exception cref="ArgumentNullException"><paramref name="file"/> is <c>null</c>.</exception>
internal FileBackedLogMessageCollection(LogFile file)
{
LogFile = file ?? throw new ArgumentNullException(nameof(file));
mCacheStartMessageId = LogFile.OldestMessageId;
if (mCacheStartMessageId < 0)
{
mCacheStartMessageId = 0;
}
// populate overview collections
foreach (string name in LogFile.GetLogWriterNames(true))
{
UsedLogWritersWritable.Add(name);
}
foreach (string name in LogFile.GetLogLevelNames(true))
{
UsedLogLevelsWritable.Add(name);
}
foreach (string name in LogFile.GetTags(true))
{
UsedTagsWritable.Add(name);
}
foreach (string name in LogFile.GetApplicationNames(true))
{
UsedApplicationNamesWritable.Add(name);
}
foreach (string name in LogFile.GetProcessNames(true))
{
UsedProcessNamesWritable.Add(name);
}
foreach (int id in LogFile.GetProcessIds())
{
UsedProcessIdsWritable.Add(id);
}
}
