public override void ReadFromSortedMap(SortedDictionary <int, string> areaCodeMap)
{
var descriptionsSet = new HashSet <string>();
NumOfEntries = areaCodeMap.Count;
prefixSizeInBytes = GetOptimalNumberOfBytesForValue(areaCodeMap.Keys.Last());
phoneNumberPrefixes = new ByteBuffer(NumOfEntries * prefixSizeInBytes);
// Fill the phone number prefixes byte buffer, the set of possible lengths of prefixes and the
// description set.
var index = 0;
var possibleLengthsSet = new HashSet <int>();
foreach (var entry in areaCodeMap)
{
var prefix = entry.Key;
StoreWordInBuffer(phoneNumberPrefixes, prefixSizeInBytes, index, prefix);
var lengthOfPrefixRef = (int)Math.Log10(prefix) + 1;
possibleLengthsSet.Add(lengthOfPrefixRef);
descriptionsSet.Add(entry.Value);
index++;
}
PossibleLengths.Clear();
PossibleLengths.AddRange(possibleLengthsSet);
PossibleLengths.Sort();
CreateDescriptionPool(descriptionsSet, areaCodeMap);
}
public override void ReadFromSortedMap(SortedDictionary <int, string> sortedAreaCodeMap)
{
NumOfEntries = sortedAreaCodeMap.Count;
phoneNumberPrefixes = new int[NumOfEntries];
descriptions = new string[NumOfEntries];
var index = 0;
var possibleLengthsSet = new HashSet <int>();
foreach (var prefix in sortedAreaCodeMap.Keys)
{
phoneNumberPrefixes[index] = prefix;
descriptions[index] = sortedAreaCodeMap[prefix];
index++;
var lengthOfPrefix = (int)Math.Log10(prefix) + 1;
possibleLengthsSet.Add(lengthOfPrefix);
}
PossibleLengths.Clear();
PossibleLengths.AddRange(possibleLengthsSet);
PossibleLengths.Sort();
}