public bool Leq(VcStamp aOther)
{
HashSet<string> keys = new HashSet<string>(iContents.Keys);
keys.UnionWith(aOther.iContents.Keys);
foreach (string key in keys)
{
long valueThis, valueOther;
// If TryGetValue fails, it sets the output value to default(long),
// i.e. 0, which is what we want.
iContents.TryGetValue(key, out valueThis);
aOther.iContents.TryGetValue(key, out valueOther);
if (valueThis > valueOther)
return false;
}
return true;
}
static void UpdateDictionary(VcStamp aOther, Dictionary<string, long> aContents)
{
foreach (var kvp in aOther.iContents)
{
long valueThis;
if (aContents.TryGetValue(kvp.Key, out valueThis))
{
aContents[kvp.Key] = Math.Max(kvp.Value, valueThis);
}
else
{
aContents[kvp.Key] = kvp.Value;
}
}
}
public void UpdateInPlace(VcStamp aOther)
{
UpdateDictionary(aOther, iContents);
}
public VcStamp Update(VcStamp aOther)
{
var newStamp = Clone();
newStamp.UpdateInPlace(aOther);
return newStamp;
}