/// <summary>
/// Remove a specific key from a group or a sub group
/// </summary>
/// <param name="key"></param>
/// <param name="group"></param>
/// <param name="subGroup"></param>
public void RemoveFromGroup(object key, String subGroup)
{
SubGroupInfoEntry subGroupInfoEntry = null;
if (subGroup == null)
{
subGroup = "_DEFAULT_SUB_GRP_";
}
long prevSize = 0, currentSize = 0;
if (_subGroups.Contains(subGroup))
{
subGroupInfoEntry = (SubGroupInfoEntry)_subGroups[subGroup];
prevSize = subGroupInfoEntry.IndexInMemorySize;
subGroupInfoEntry.RemoveKey(key);
currentSize = subGroupInfoEntry.IndexInMemorySize;
if (subGroupInfoEntry.KeysCount == 0)
{
_subGroups.Remove(subGroup);
ModifyIndexInMemorySize(-prevSize);
}
else
{
ModifyIndexInMemorySize(currentSize - prevSize);
}
}
}
/// <summary>
/// Add group information to the index
/// </summary>
/// <param name="key"></param>
/// <param name="grpInfo"></param>
public void AddToSubGroup(object key, String subGroup)
{
SubGroupInfoEntry subGroupInfoEntry = null;
if (subGroup == null)
{
subGroup = "_DEFAULT_SUB_GRP_";
}
long prevSize = 0, currentSize = 0;
if (_subGroups.Contains(subGroup))
{
subGroupInfoEntry = (SubGroupInfoEntry)_subGroups[subGroup];
prevSize = subGroupInfoEntry.IndexInMemorySize;
}
else
{
subGroupInfoEntry = new SubGroupInfoEntry();
_subGroups[subGroup] = subGroupInfoEntry;
}
subGroupInfoEntry.AddKey(key);
currentSize = subGroupInfoEntry.IndexInMemorySize;
ModifyIndexInMemorySize(currentSize - prevSize);
}
/// <summary>
/// Return all the keys in the group. If a sub group is specified keys
/// related to that subGroup is returned only otherwise all the keys
/// included group and subgroup is returned.
/// </summary>
/// <param name="group"></param>
/// <param name="subGroup"></param>
/// <returns></returns>
public ArrayList GetSubGroupKeys(string subGroup)
{
ArrayList list = new ArrayList();
if (!string.IsNullOrEmpty(subGroup))
{
if (_subGroups.Contains(subGroup))
{
SubGroupInfoEntry subGroupInfoEntry = (SubGroupInfoEntry)_subGroups[subGroup];
list.AddRange(subGroupInfoEntry.GetAllKeys());
}
}
else
{
IDictionaryEnumerator ide = _subGroups.GetEnumerator();
while (ide.MoveNext())
{
SubGroupInfoEntry subGroupInfoEntry = ide.Value as SubGroupInfoEntry;
if (subGroupInfoEntry != null)
{
list.AddRange(subGroupInfoEntry.GetAllKeys());
}
}
}
return(list);
}
public bool KeyExists(object key, string subGroup)
{
if (subGroup != null)
{
if (_subGroups.Contains(subGroup))
{
SubGroupInfoEntry subGroupInfoEntry = (SubGroupInfoEntry)_subGroups[subGroup];
return(subGroupInfoEntry.KeyExists(key));
}
return(false);
}
else
{
IDictionaryEnumerator ide = _subGroups.GetEnumerator();
while (ide.MoveNext())
{
if (((SubGroupInfoEntry)ide.Value).KeyExists(key))
{
return(true);
}
}
return(false);
}
}
