/// <summary>
/// Adds the stecified item in the cache.
/// </summary>
/// <param name="id">The id of the stored item in the cache.</param>
/// <param name="item">The item to cache.</param>
protected void AddInCache(Identifier id, T item)
{
if (!InternalCache.ContainsKey(id))
{
InternalCache.Add(id, item);
}
}
public TItem Get(string key, Func <string, TItem> retriever)
{
lock (this) {
if (InternalCache.ContainsKey(key))
{
Refresh(false);
if (InternalCache.ContainsKey(key))
{
return(InternalCache[key]);
}
}
var obj = retriever(key);
InternalCache[key] = obj;
return(obj);
}
}
protected override AppointmentDto Map(SQLiteDataReader reader)
{
var rid = reader["Id"] as long?;
Identifier id;
if (!rid.HasValue)
{
throw new NullReferenceException("There's an appointment without ID");
}
else
{
id = new Identifier(rid.Value);
}
if (InternalCache.ContainsKey(id))
{
return(InternalCache[id]);
}
else
{
var item = new AppointmentDto()
{
IsImported = true
};
item.StartTime = reader["StartDate"] as DateTime? ?? DateTime.Now;
item.EndTime = reader["EndDate"] as DateTime? ?? DateTime.Now;
item.Subject = reader["Title"] as string;
item.Notes = Messages.Msg_DoneByConverter;
item.User = PluginContext.Host.ConnectedUser;
item.Tag = this.MapTag(reader["fk_MeetingType"] as long?);
InternalCache.Add(id, item);
return(item);
}
}
public T Import(long?rid)
{
Identifier id;
if (!rid.HasValue || string.IsNullOrWhiteSpace(this.Sql(-1)))
{
return(this.Default);
}
else
{
id = new Identifier(rid.Value, this.Segragator);
}
if (InternalCache.ContainsKey(id))
{
return(InternalCache[id]);
}
else
{
using (var command = new SQLiteCommand(this.Sql(id.Value), this.Connection))
using (var reader = command.ExecuteReader())
{
if (reader.Read())
{
var result = Map(reader);
this.AddInCache(new Identifier(id.Value, this.Segragator), result);
return(result);
}
else
{
this.OnLogged(Messages.Log_NoItem, id.Value);
this.AddInCache(new Identifier(id.Value, this.Segragator), this.Default);
return(this.Default);
}
}
}
}
/// <inheritdoc /> public bool ContainsKey(FormKey key) => InternalCache.ContainsKey(key);
/// <summary>
/// Determines if the item exists
/// </summary>
/// <param name="key">The key associated with the item</param>
/// <returns>True if it does, false otherwise</returns>
public virtual bool Exists(TKeyType key)
{
return(InternalCache.ContainsKey(key));
}
public bool Exists(string key)
{
return(InternalCache.ContainsKey(key));
}
