/// <summary>
/// Initializes a new instance of GatherDifferencesDescriptor.
/// </summary>
/// <param name="entityType">The type of the file system entities this descriptor works with.</param>
/// <param name="targetFileSystemTable">The LFS file system table to be compared against a reference version.</param>
/// <param name="comparer">The comparison function to use to determine if a reference and target file system entity are different.</param>
/// <param name="validator">The validation function to use to determine if an entry is valid.</param>
/// <param name="ignorer">The function to use to determine whether to ignore an entry for computing differences.</param>
public GatherDifferencesDescriptor(LfsEntityType entityType, FixedSizeCollection <T> targetFileSystemTable, FileSystemEntryComparer <T> comparer, FileSystemEntryValidator <T> validator, Predicate <T> ignorer)
{
TargetFileSystemTable = targetFileSystemTable;
Compare = comparer;
Validate = validator ?? AlwaysValid;
Ignore = ignorer ?? NeverIgnore;
EntityType = entityType;
}
/// <summary>
/// Initializes a new instance of GatherDifferencesDescriptor.
/// </summary>
/// <param name="entityType">The type of the file system entities this descriptor works with.</param>
/// <param name="targetFileSystemTable">The LFS file system table to be compared against a reference version.</param>
/// <param name="comparer">The comparison function to use to determine if a reference and target file system entity are different.</param>
/// <param name="validator">The validation function to use to determine if an entry is valid.</param>
public GatherDifferencesDescriptor(LfsEntityType entityType, FixedSizeCollection <T> targetFileSystemTable, FileSystemEntryComparer <T> comparer, FileSystemEntryValidator <T> validator)
: this(entityType, targetFileSystemTable, comparer, validator, NeverIgnore)
{
}
