/// <summary>
/// Initializes a new instance of the VirtualQualitativeSequenceList class with a specified provider,
/// a specified parser, and a specifed sequence count.
/// </summary>
/// <param name="provider">SequencePointer provider from sidecar file.</param>
/// <param name="parser">Parser used to parse sequence data on request.</param>
/// <param name="count">Number of items in the actual file.</param>
public VirtualQualitativeSequenceList(SidecarFileProvider provider, IVirtualSequenceParser parser, int count)
{
_sequenceParser = parser;
_sidecarProvider = provider;
_count = count;
_sequenceDictionary = new Dictionary <int, WeakReference>();
}
/// <summary>
/// Initializes a new instance of MBF.IO.FileVirtualSequenceProvider
/// class to hold a sequence parser, a sidecar file provider and
/// the index of the sequence.
/// </summary>
/// <param name="parser">A virtual parser object.</param>
/// <param name="pointer">The sequence pointer.</param>
/// <param name="sidecarFileProvider">A sidecar file provider.</param>
/// <param name="index">The zero-based index of the sequence within the file.</param>
public FileVirtualSequenceProvider(IVirtualSequenceParser parser, SequencePointer pointer, SidecarFileProvider sidecarFileProvider, int index)
: this(parser, pointer)
{
if (sidecarFileProvider == null)
{
throw new ArgumentNullException("sidecarFileProvider");
}
_sidecarProvider = sidecarFileProvider;
_sequenceIndex = index;
}
