/// <inheritdoc/>
internal override void RegisteOperate(IDbSplitObjectsOperate operate, int index, int length)
{
var operateInstance = (DbOperateBase)operate;
RegisteOperate(operateInstance);
_SplitInfo = new SplitIndexLength(operate, index, length);
}
/// <inheritdoc/>
internal override void RegisteOperate(IDbSplitObjectsOperate operate, int index, int length)
{
var operateInstance = (DbOperateBase)operate;
operates.Add(operateInstance);
commandBuilder.AppendLine(operateInstance.GenerateSql());
if (splitesOperates == null)
{
splitesOperates = new Dictionary <DbOperateBase, SplitIndexLength>();
}
if (!splitesOperates.ContainsKey(operateInstance))
{
splitesOperates.Add(operateInstance, new SplitIndexLength(operate, index, length));
}
}
/// <summary>
/// 添加操作。
/// </summary>
/// <param name="operate">操作对象。</param>
/// <param name="sql">该操作相应的语句。</param>
/// <param name="index">分割操作起始索引。</param>
/// <param name="length">分割操作长度。</param>
internal void AddOperate(IDbSplitObjectsOperate operate, string sql, int index, int length)
{
var operateInstance = (DbOperateBase)operate;
operates.Add(operateInstance);
commandBuilder.AppendLine(sql);
if (splitesOperates == null)
{
splitesOperates = new Dictionary <DbOperateBase, SplitIndexLength>();
}
if (!splitesOperates.ContainsKey(operateInstance))
{
splitesOperates.Add(operateInstance, new SplitIndexLength()
{
Operate = operate,
Index = index,
Length = length
});
}
}
/// <summary>
/// 向命令集合注册数据库可分割的数据集合操作。
/// </summary>
/// <param name="itemoperate">注册的数据集合操作。</param>
public void Register(IDbSplitObjectsOperate itemoperate)
{
var operate = (DbOperateBase)itemoperate;
int index = 0, length = 0, count = 0, sumcount = itemoperate.Count;
do
{
if (current == null || index > 0 || current is SingleOperateCommand)
{
current = this.NextCommand();
}
count = current.ParameterCount / itemoperate.ItemParameterCount;
length = Math.Min(count, sumcount - index);
itemoperate.Split(index, length, () => current.RegisteOperate(itemoperate, index, length));
if (operate is IConcurrencyCheckOperate concurrency2 && concurrency2.NeedCheck)
{
//累加并发检查期望数
current.ConcurrencyExpectCount += concurrency2.ExpectCount;
}
index += length;
} while (index < sumcount - 1);
}
public SplitIndexLength(IDbSplitObjectsOperate operate, int index, int length)
{
Operate = operate;
Index = index;
Length = length;
}
/// <summary> /// 注册操作。 /// </summary> /// <param name="operate">操作对象。</param> /// <param name="index">分割操作起始索引。</param> /// <param name="length">分割操作长度。</param> internal abstract void RegisteOperate(IDbSplitObjectsOperate operate, int index, int length);
