/// <summary>
/// Constructor for unit testing
/// </summary>
internal FileCombiner(LoggingContext loggingContext, string path, FileCombinerUsage usage, double allowableUnreferencedRatio, int maxReadChunkBytes)
{
Contract.Requires(!string.IsNullOrWhiteSpace(path));
Contract.Requires(maxReadChunkBytes > 0 && maxReadChunkBytes <= DefaultMaxReadChunkBytes);
m_path = path;
m_usage = usage;
m_loggingContext = loggingContext;
m_allowableUnreferencedRatio = allowableUnreferencedRatio;
m_maxReadChunkBytes = maxReadChunkBytes;
m_initializationTask = Task.Factory.StartNew(Initialize);
}
/// <summary>
/// Creates a new FileCombiner
/// </summary>
/// <param name="loggingContext">The LoggingContext</param>
/// <param name="path">Path of the backing file</param>
/// <param name="usage">Identifies the use application of the FileCombiner</param>
/// <param name="logFileCombinerStatistics">This class logs a bunch of stats at dispose time. This flag controls wether this happens.</param>
/// <param name="allowableUnreferencedRatio">Ratio of bytes that are allowed to not be referenced without
/// compacting the file. If 100 bytes are in the structure and the ratio is .2, then the structure will be compacted to
/// remove unreferenced items if more than 20 unique bytes are not retrieved during the lifetime of the object.</param>
public FileCombiner(LoggingContext loggingContext, string path, FileCombinerUsage usage, bool logFileCombinerStatistics, double allowableUnreferencedRatio = .2)
: this(loggingContext, path, usage, allowableUnreferencedRatio, DefaultMaxReadChunkBytes)
{
Contract.Requires(!string.IsNullOrWhiteSpace(path));
m_logFileCombinerStatistics = logFileCombinerStatistics;
}