protected virtual void OnReceipt(Subscription subscription, CRUDSubscriptionEvent data, Exception error)
{
if (Receipt!=null)
Receipt(subscription, this, data, error);
}
public bool DeliverError(Subscription subscription, Exception error)
{
if (subscription.Store!=this.Store) return false;
OnReceipt(subscription, default(CRUDSubscriptionEvent), error);
return true;
}
protected virtual void OnReceipt(Subscription subscription, RowChange data, Exception error)
{
if (Receipt!=null)
Receipt(subscription, this, data, error);
}
/// <summary>
/// Delivers data to the mailbox. This method is called by subscription
/// </summary>
public bool Deliver(Subscription subscription, CRUDSubscriptionEvent data)
{
if (subscription.Store!=this.Store) return false;
var cap = m_BufferCapacity;
if (cap>0)
lock(m_Buffer)
{
m_Buffer.AddLast(data);
if (m_Buffer.Count>cap)
m_Buffer.RemoveFirst();
}
OnReceipt(subscription, data, null);
return true;
}
private void m_Mailbox_Receipt(Subscription subscription, Mailbox recipient, CRUDSubscriptionEvent data, Exception error)
{
if (error!=null)
{
OnError(error);
return;
}
var schema = data.Schema;
var table = m_Tables.GetOrRegister(schema.Name, (s) => new table(new Table(s), subscription.Query), schema).Table;
lock(table)
{
var proceed = OnReceipt(SynchronizedReceiptHandlerEventArgs.EventPhase.Before, table, data.Type, data.Row);
if (!proceed) return;
switch(data.Type)
{
case CRUDSubscriptionEvent.EventType.TableCreate: break;
case CRUDSubscriptionEvent.EventType.TableClear: table.DeleteAll(); break;
case CRUDSubscriptionEvent.EventType.TableDrop: m_Tables.Unregister(schema.Name); break;
case CRUDSubscriptionEvent.EventType.RowInsert: table.Insert(data.Row); break;
case CRUDSubscriptionEvent.EventType.RowUpdate: table.Update(data.Row); break;
case CRUDSubscriptionEvent.EventType.RowUpsert: table.Upsert(data.Row); break;
case CRUDSubscriptionEvent.EventType.RowDelete: table.Delete(data.Row); break;
}
OnReceipt(SynchronizedReceiptHandlerEventArgs.EventPhase.After, table, data.Type, data.Row);
}
}