protected void ExecuteRow <T>(SelectQuery <T> query, RowExecutor <T> executor)
where T : DataRecord
{
var item = query.CreateWork(executor);
Client.EnqueueWork(item);
}
public override void ExecuteRow <ActiveRecord>(DataTable <ActiveRecord> table, SelectQuery <ActiveRecord> query, RowExecutor <ActiveRecord> executor)
{
enqueueWork((w) =>
{
w.ExecuteRow(table, query, executor);
});
}
public override void ExecuteRow <ActiveRecord>(DataTable <ActiveRecord> table, SelectQuery <ActiveRecord> query, RowExecutor <ActiveRecord> executor)
{
var items = query.Condition.ToArray();
ActiveRecord result;
switch (items.Length)
{
case 0:
result = table.MemoryRecords.Values.First();
break;
case 1:
result = findItem(table, items[0]);
break;
default:
result = applyCondition(table, query.Condition).FirstOrDefault();
break;
}
executor(result);
}
public override void ExecuteRow <ActiveRecord>(DataTable <ActiveRecord> table, SelectQuery <ActiveRecord> query, RowExecutor <ActiveRecord> executor)
{
var queryCmd = createSelect <ActiveRecord>(table, query.Condition);
queryCmd.Append(" LIMIT 1");
ActiveRecord result = default(ActiveRecord);
using (var reader = queryCmd.ExecuteReader())
{
if (reader.Read())
{
var columns = new ColumnsReader(reader);
result = table.CreateRecord(columns);
}
reader.Close();
}
executor(result);
}
internal RowQueryWorkItem(SelectQuery <ActiveRecord> query, RowExecutor <ActiveRecord> executor)
{
_query = query;
_executor = executor;
}
public abstract void ExecuteRow <ActiveRecord>(DataTable <ActiveRecord> table, SelectQuery <ActiveRecord> query, RowExecutor <ActiveRecord> executor)
where ActiveRecord : DataRecord;
