/// <summary>
/// Fill the passed in dictionary with the passed in entries
/// </summary>
/// <param name="newEntries"></param>
/// <param name="oldEntries"></param>
/// <param name="dictionary"> the dictionary to add the entries to</param>
protected void populateDictionary(IEnumerable<Entry> oldEntries, IEnumerable<Entry> newEntries, IDictionary<string,CombinedEntry> dictionary)
{
// Add each entry in the old list into the list of entrys
foreach (Entry entry in oldEntries)
{
CombinedEntry combEntry = new CombinedEntry(entry, null);
CombinedEntry existingEntry;
bool found = dictionary.TryGetValue(combEntry.getKey(), out existingEntry);
if (found)
{
existingEntry.Combine(combEntry);
}
else
{
dictionary.Add(new KeyValuePair<string, CombinedEntry>(combEntry.getKey(), combEntry));
}
}
// Check each entry if they are in the old list. If they are combine them if not create a new entry
foreach (Entry entry in newEntries)
{
CombinedEntry combEntry = new CombinedEntry(null, entry);
CombinedEntry oldEntry;
bool found = dictionary.TryGetValue(combEntry.getKey(), out oldEntry);
if (found)
{
oldEntry.Combine(combEntry);
}
else
{
dictionary.Add(combEntry.getKey(), combEntry);
}
}
}
public void Combine(CombinedEntry combEntry)
{
foreach(Entry entry in combEntry.m_oldEntries)
{
m_oldEntries.Add(entry);
}
foreach (Entry entry in combEntry.m_newEntries)
{
m_newEntries.Add(entry);
}
if(combEntry.m_oldEntries.Count == 0 && combEntry.m_newEntries.Count == 0)
{
// If they are both null we cannot combine it.
throw new InvalidOperationException("Cannot combine an entry that is already full");
}
string key = getKey();
if (keysEqual(m_newEntries, key) != keysEqual(m_oldEntries,key))
{
throw new InvalidOperationException("Cannot combine entries with different keys");
}
}