/// <summary>
/// Constructor used to get the codec and map from these things
/// </summary>
/// <param name="baseCodec">The base codec, necessary to get the string cache from</param>
public ListAndSetHash(AbstractVCFCodec baseCodec)
{
this.parentCodec = baseCodec;
ListAndHash passList = new ListAndHash() { List = new List<string>().AsReadOnly(), Hash = new ImmutableHashSet<string>() };
_strToListAndHash[VCFConstants.PASSES_FILTERS_v3] = passList;
_strToListAndHash[VCFConstants.PASSES_FILTERS_v4] = passList;
}
private ListAndHash createNewCachedFilter(string filterString)
{
List <string> fFields = null;
// otherwise we have to parse and cache the value
if (filterString.IndexOf(VCFConstants.FILTER_CODE_SEPARATOR) == -1)
{
fFields = new List <string>(1);
fFields.Add(filterString);
}
else
{
fFields = (from x in filterString.Split(VCFConstants.FILTER_CODE_SEPARATOR_CHAR_ARRAY, StringSplitOptions.RemoveEmptyEntries) select parentCodec.GetCachedString(x)).ToList();
}
var list = fFields.AsReadOnly();
var hash = (from x in _strToListAndHash.Values where x.Hash.SetEquals(list) select x.Hash).FirstOrDefault();
if (hash == null)
{
hash = new ImmutableHashSet <string>(list);
}
ListAndHash toAdd = new ListAndHash()
{
List = list, Hash = hash
};
_strToListAndHash[filterString] = toAdd;
return(toAdd);
}
/// <summary>
/// Constructor used to get the codec and map from these things
/// </summary>
/// <param name="baseCodec">The base codec, necessary to get the string cache from</param>
public ListAndSetHash(AbstractVCFCodec baseCodec)
{
this.parentCodec = baseCodec;
ListAndHash passList = new ListAndHash()
{
List = new List <string>().AsReadOnly(), Hash = new ImmutableHashSet <string>()
};
_strToListAndHash[VCFConstants.PASSES_FILTERS_v3] = passList;
_strToListAndHash[VCFConstants.PASSES_FILTERS_v4] = passList;
}
private ListAndHash createNewCachedFilter(string filterString)
{
List<string> fFields=null;
// otherwise we have to parse and cache the value
if (filterString.IndexOf(VCFConstants.FILTER_CODE_SEPARATOR) == -1)
{
fFields = new List<string>() {filterString};
}
else
{
fFields = (from x in filterString.Split(VCFConstants.FILTER_CODE_SEPARATOR_CHAR_ARRAY, StringSplitOptions.RemoveEmptyEntries) select parentCodec.GetCachedString(x)).ToList();
}
var list = fFields.AsReadOnly();
var hash = (from x in _strToListAndHash.Values where x.Hash.SetEquals(list) select x.Hash).FirstOrDefault() ??
ImmutableHashSet.Create<string>().Union(list);
ListAndHash toAdd = new ListAndHash() { List = list, Hash = hash };
_strToListAndHash[filterString] = toAdd;
return toAdd;
}
