public PhoneEntry[] ListEntries(int startPositon, int count)
{
if (startPositon < 0 || startPositon + count > this.caseInsensitiveKeyName.Count)
{
return(null);
}
PhoneEntry[] list = new PhoneEntry[count];
for (int i = startPositon; i <= startPositon + count - 1; i++)
{
PhoneEntry entry = this.phoneEntrySorted[i];
list[i - startPositon] = entry;
}
return(list);
}
public bool AddPhone(string name, IEnumerable <string> phoneNumbers)
{
string caseInsensitiveName = name.ToLowerInvariant();
PhoneEntry entry;
bool isNotExistingNumber = !this.caseInsensitiveKeyName.TryGetValue(caseInsensitiveName, out entry);
if (isNotExistingNumber)
{
entry = new PhoneEntry();
entry.Name = name;
entry.numbers = new HashSet <string>();
this.caseInsensitiveKeyName.Add(caseInsensitiveName, entry);
this.phoneEntrySorted.Add(entry);
}
foreach (var number in phoneNumbers)
{
this.keyNumberValueEntry.Add(number, entry);
}
entry.numbers.UnionWith(phoneNumbers);
return(isNotExistingNumber);
}