public void BuildCollect(TableKey tableKey, Transaction.RecordAccessed recordAccessed)
{
if (tableHasListener)
{
ChangeRecordCollector recordCollector = new ChangeRecordCollector(tableKey, table, recordAccessed);
records.Add(tableKey.Key, recordCollector);
}
}
public void BuildCollect(TableKey tableKey, Transaction.RecordAccessed recordAccessed)
{
if (false == tables.TryGetValue(tableKey.TableId, out var tableCollector))
{
tableCollector = new ChangeTableCollector(tableKey);
tables.Add(tableKey.TableId, tableCollector);
}
tableCollector.BuildCollect(tableKey, recordAccessed);
}
public ChangeRecordCollector(TableKey tableKey, Table table, Transaction.RecordAccessed recordAccessed)
{
this.recordAccessed = recordAccessed;
key = tableKey.Key;
// 记录发生了覆盖或者删除，也需要把listener建立好，以便后面Notify。但是就不需要收集log和note了。参见下面的 CollectChanged.
Dictionary <int, HashSet <ChangeListener> > tmp = table.ChangeListenerMap.mapCopy;
foreach (var e in tmp)
{
ChangeVariableCollector cvc = table.CreateChangeVariableCollector(e.Key);
if (null != cvc) // 忽略掉不正确的 variableId，也许注册的时候加个检查更好，先这样了。
{
variables.Add(e.Key, cvc);
cvc.listeners = e.Value;
}
}
}
internal abstract void Commit(Transaction.RecordAccessed accessed);
