/// <summary>
/// 获得序列
/// </summary>
/// <param name="fullName">序列名</param>
/// <param name="defaultSequence">默认序列</param>
/// <returns>序列实体</returns>
protected BaseSequenceEntity GetSequenceByLock(string fullName, int defaultSequence)
{
BaseSequenceEntity sequenceEntity = new BaseSequenceEntity();
// 这里主要是为了判断是否存在
sequenceEntity = this.GetEntityByName(fullName);
if (sequenceEntity == null)
{
// 这里添加记录时加锁机制。
// 是否已经被锁住
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
for (int i = 0; i < BaseSystemInfo.LockNoWaitCount; i++)
{
// 被锁定的记录数
int lockCount = DbLogic.LockNoWait(DbHelper, BaseSequenceEntity.TableName, new KeyValuePair <string, object>(BaseSequenceEntity.FieldFullName, BaseSequenceEntity.TableName));
if (lockCount > 0)
{
sequenceEntity.FullName = fullName;
sequenceEntity.Reduction = defaultSequence - 1;
sequenceEntity.Sequence = defaultSequence;
sequenceEntity.Step = DefaultStep;
this.AddEntity(sequenceEntity);
this.ReturnStatusCode = StatusCode.LockOK.ToString();
break;
}
else
{
System.Threading.Thread.Sleep(BaseRandom.GetRandom(1, BaseSystemInfo.LockNoWaitTickMilliSeconds));
}
}
if (this.ReturnStatusCode == StatusCode.LockOK.ToString())
{
// JiRiGaLa 这个是否能省略
sequenceEntity = this.GetEntityByName(fullName);
}
}
else
{
// 若记录已经存在，加锁，然后读取记录。
// 是否已经被锁住
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
for (int i = 0; i < BaseSystemInfo.LockNoWaitCount; i++)
{
// 被锁定的记录数
int lockCount = DbLogic.LockNoWait(DbHelper, BaseSequenceEntity.TableName, new KeyValuePair <string, object>(BaseSequenceEntity.FieldFullName, fullName));
if (lockCount > 0)
{
sequenceEntity = this.GetEntityByName(fullName);
this.ReturnStatusCode = StatusCode.LockOK.ToString();
break;
}
else
{
System.Threading.Thread.Sleep(BaseRandom.GetRandom(1, BaseSystemInfo.LockNoWaitTickMilliSeconds));
}
}
}
return(sequenceEntity);
}
//
// 重置序列(暂不考虑并发问题)
//
#region public int Reset(string[] ids) 批量重置
/// <summary>
/// 批量重置
/// </summary>
/// <param name="ids">主键数组</param>
/// <returns>影响行数</returns>
public int Reset(string[] ids)
{
int returnValue = 0;
BaseSequenceEntity sequenceEntity = null;
SQLBuilder sqlBuilder = new SQLBuilder(DbHelper);
for (int i = 0; i < ids.Length; i++)
{
if (ids[i].Length > 0)
{
// 若有相应的表，那就把序列号都计算好
sequenceEntity = this.GetEntity(ids[i]);
string commandText = string.Format(@" UPDATE BaseSequence
SET Sequence = (SELECT MAX(SortCode) + 1 AS MaxSortCode FROM {0})
, Reduction = ( SELECT MIN(SortCode) -1 AS MinSortCode FROM {0})
WHERE FullName = '{0}' ", sequenceEntity.FullName);
try
{
this.ExecuteNonQuery(commandText);
}
catch
{
sqlBuilder.BeginUpdate(this.CurrentTableName);
sqlBuilder.SetValue(BaseSequenceEntity.FieldSequence, this.DefaultSequence);
sqlBuilder.SetValue(BaseSequenceEntity.FieldReduction, this.DefaultReduction);
sqlBuilder.SetWhere(BaseSequenceEntity.FieldId, ids[i]);
returnValue += sqlBuilder.EndUpdate();
}
}
}
return(returnValue);
}
/// <summary>
/// 更新
/// </summary>
/// <param name="businessCardEntity">实体</param>
public int Update(BaseSequenceEntity sequenceEntity, out string statusCode)
{
int returnValue = 0;
// 检查名称是否重复
if (this.Exists(new KeyValuePair <string, object>(BaseSequenceEntity.FieldFullName, sequenceEntity.FullName), sequenceEntity.Id))
{
// 名称已重复
statusCode = StatusCode.ErrorNameExist.ToString();
}
else
{
// 进行更新操作
returnValue = this.UpdateEntity(sequenceEntity);
if (returnValue == 1)
{
statusCode = StatusCode.OKUpdate.ToString();
}
else
{
// 数据可能被删除
statusCode = StatusCode.ErrorDeleted.ToString();
}
}
return(returnValue);
}
/// <summary>
/// 加载窗体
/// </summary>
public override void FormOnLoad()
{
this.SequenceEntity = DotNetService.Instance.SequenceService.GetEntity(UserInfo, this.EntityId);
// 显示内容
this.ShowEntity(this.SequenceEntity);
// 设置焦点
this.ActiveControl = this.txtFullName;
this.txtFullName.Focus();
}
/// <summary>
/// 更新编码
/// </summary>
/// <param name="userInfo">用户</param>
/// <param name="dataTable">数据表</param>
/// <param name="statusCode">返回状态码</param>
/// <param name="statusMessage">返回状态信息</param>
/// <returns>数据表</returns>
public int Update(BaseUserInfo userInfo, DataTable dataTable, out string statusCode, out string statusMessage)
{
// 加强安全验证防止未授权匿名调用
#if (!DEBUG)
LogOnService.UserIsLogOn(userInfo);
#endif
BaseSequenceEntity sequenceEntity = new BaseSequenceEntity(dataTable);
return(this.Update(userInfo, sequenceEntity, out statusCode, out statusMessage));
}
/// <summary>
/// 批量产生主键
/// </summary>
/// <param name="sequenceEntity">实体</param>
/// <param name="sequenceCount">序列个数</param>
/// <returns>主键数组</returns>
private string[] GetSequence(BaseSequenceEntity sequenceEntity, int sequenceCount)
{
string[] returnValue = new string[sequenceCount];
for (int i = 0; i < sequenceCount; i++)
{
returnValue[i] = GetSequence(sequenceEntity);
sequenceEntity.Sequence += sequenceEntity.Step;
}
return(returnValue);
}
/// <summary>
/// 按名称获取实体
/// </summary>
/// <param name="fullName">序列名称</param>
/// <returns>实体</returns>
BaseSequenceEntity GetEntityByName(string fullName)
{
BaseSequenceEntity sequenceEntity = null;
DataTable dataTable = this.GetDataTable(new KeyValuePair <string, object>(BaseSequenceEntity.FieldFullName, fullName));
if (dataTable.Rows.Count > 0)
{
sequenceEntity = new BaseSequenceEntity(dataTable);
}
return(sequenceEntity);
}
/// <summary>
/// 显示内容
/// </summary>
private void ShowEntity(BaseSequenceEntity sequenceEntity)
{
this.txtFullName.Text = sequenceEntity.FullName;
this.txtPrefix.Text = sequenceEntity.Prefix;
this.txtSeparator.Text = sequenceEntity.Separator;
this.txtSequence.Text = sequenceEntity.Sequence.ToString();
this.txtReduction.Text = sequenceEntity.Reduction.ToString();
this.txtStep.Text = sequenceEntity.Step.ToString();
this.txtDescription.Text = sequenceEntity.Description;
this.chkEnabled.Checked = sequenceEntity.IsVisible == 1 ? true : false;
}
/// <summary>
/// 设置实体
/// </summary>
/// <param name="sequenceEntity">实体</param>
private void SetEntity(SQLBuilder sqlBuilder, BaseSequenceEntity sequenceEntity)
{
sqlBuilder.SetValue(BaseSequenceEntity.FieldFullName, sequenceEntity.FullName);
sqlBuilder.SetValue(BaseSequenceEntity.FieldPrefix, sequenceEntity.Prefix);
sqlBuilder.SetValue(BaseSequenceEntity.FieldSeparator, sequenceEntity.Separator);
sqlBuilder.SetValue(BaseSequenceEntity.FieldSequence, sequenceEntity.Sequence);
sqlBuilder.SetValue(BaseSequenceEntity.FieldReduction, sequenceEntity.Reduction);
sqlBuilder.SetValue(BaseSequenceEntity.FieldStep, sequenceEntity.Step);
sqlBuilder.SetValue(BaseSequenceEntity.FieldIsVisible, sequenceEntity.IsVisible);
sqlBuilder.SetValue(BaseSequenceEntity.FieldDescription, sequenceEntity.Description);
SetEntityExpand(sqlBuilder, sequenceEntity);
}
/// <summary>
/// 获取实体
/// </summary>
/// <returns>名片类</returns>
private BaseSequenceEntity GetEntity(BaseSequenceEntity sequenceEntity)
{
sequenceEntity.FullName = this.txtFullName.Text;
sequenceEntity.Prefix = this.txtPrefix.Text;
sequenceEntity.Separator = this.txtSeparator.Text;
sequenceEntity.Sequence = int.Parse(this.txtSequence.Text);
sequenceEntity.Reduction = int.Parse(this.txtReduction.Text);
sequenceEntity.Step = int.Parse(this.txtStep.Text);
sequenceEntity.Description = this.txtDescription.Text;
sequenceEntity.IsVisible = this.chkEnabled.Checked ? 1 : 0;
return(sequenceEntity);
}
//
// 读取序列的
//
/// <summary>
/// 获取序列
/// </summary>
/// <param name="sequenceEntity">序列实体</param>
/// <returns>序列</returns>
string GetSequence(BaseSequenceEntity sequenceEntity)
{
string sequence = sequenceEntity.Sequence.ToString();
if (this.FillZeroPrefix)
{
sequence = StringUtil.RepeatString("0", (this.SequenceLength - sequenceEntity.Sequence.ToString().Length)) + sequenceEntity.Sequence.ToString();
}
if (this.UsePrefix)
{
sequence = sequenceEntity.Prefix + sequenceEntity.Separator + sequence;
}
return(sequence);
}
/// <summary>
/// 获取降序列
/// </summary>
/// <param name="sequenceEntity">序列实体</param>
/// <returns>降序列</returns>
string GetReduction(BaseSequenceEntity sequenceEntity)
{
string reduction = sequenceEntity.Reduction.ToString();
if (this.FillZeroPrefix)
{
reduction = StringUtil.RepeatString("0", (this.SequenceLength - sequenceEntity.Reduction.ToString().Length)) + sequenceEntity.Reduction.ToString();
}
if (this.UsePrefix)
{
reduction = sequenceEntity.Prefix + sequenceEntity.Separator + reduction;
}
return(reduction);
}
/// <summary>
/// 获取序列号数组
/// </summary>
/// <param name="fullName">序列名称</param>
/// <param name="sequenceCount">序列个数</param>
/// <param name="defaultSequence">默认序列</param>
/// <returns>序列号</returns>
public string[] GetBatchSequence(string fullName, int sequenceCount, int defaultSequence)
{
// 写入调试信息
#if (DEBUG)
int milliStart = Environment.TickCount;
Trace.WriteLine(DateTime.Now.ToString(BaseSystemInfo.TimeFormat) + " :Begin: " + MethodBase.GetCurrentMethod().ReflectedType.Name + "." + MethodBase.GetCurrentMethod().Name);
#endif
string[] returnValue = new string[sequenceCount];
// 这里用锁的机制，提高并发控制能力
lock (SequenceLock)
{
this.DefaultSequence = defaultSequence;
switch (DbHelper.CurrentDbType)
{
case DbTypes.Access:
case DbTypes.MySql:
case DbTypes.SqlServer:
BaseSequenceEntity sequenceEntity = this.GetEntityByAdd(fullName);
this.UpdateSequence(fullName, sequenceCount);
// 这里循环产生ID数组
returnValue = this.GetSequence(sequenceEntity, sequenceCount);
break;
case DbTypes.DB2:
for (int i = 0; i < sequenceCount; i++)
{
returnValue[i] = GetDB2Sequence(fullName);
}
break;
case DbTypes.Oracle:
for (int i = 0; i < sequenceCount; i++)
{
returnValue[i] = GetOracleSequence(fullName);
}
break;
}
}
// 写入调试信息
#if (DEBUG)
int milliEnd = Environment.TickCount;
Trace.WriteLine(DateTime.Now.ToString(BaseSystemInfo.TimeFormat) + " Ticks: " + TimeSpan.FromMilliseconds(milliEnd - milliStart).ToString() + " :End: " + MethodBase.GetCurrentMethod().ReflectedType.Name + "." + MethodBase.GetCurrentMethod().Name);
#endif
return(returnValue);
}
/// <summary>
/// 更新实体
/// </summary>
/// <param name="baseSequenceEntity">实体</param>
public int UpdateEntity(BaseSequenceEntity baseSequenceEntity)
{
SQLBuilder sqlBuilder = new SQLBuilder(DbHelper);
sqlBuilder.BeginUpdate(this.CurrentTableName);
this.SetEntity(sqlBuilder, baseSequenceEntity);
if (UserInfo != null)
{
sqlBuilder.SetValue(BaseSequenceEntity.FieldModifiedUserId, UserInfo.Id);
sqlBuilder.SetValue(BaseSequenceEntity.FieldModifiedBy, UserInfo.RealName);
}
sqlBuilder.SetDBNow(BaseSequenceEntity.FieldModifiedOn);
sqlBuilder.SetWhere(BaseSequenceEntity.FieldId, baseSequenceEntity.Id);
return(sqlBuilder.EndUpdate());
}
/// <summary>
/// 设置当前所有选中的记录为隐藏状态
/// </summary>
/// <returns>设置更新成功</returns>
private bool SetInvisible()
{
bool returnValue = false;
string statusCode = string.Empty;
string statusMessage = string.Empty;
// 检查至少要选择一个
if (!BaseInterfaceLogic.CheckInputSelectAnyOne(this.grdSequence, "colSelected"))
{
return(returnValue);
}
int selectedCount = 0;
BaseSequenceEntity sequenceEntity = new BaseSequenceEntity();
BaseSequenceManager sequenceManager = new BaseSequenceManager(this.UserInfo);
foreach (DataGridViewRow dgvRow in grdSequence.Rows)
{
DataRow dataRow = (dgvRow.DataBoundItem as DataRowView).Row;
if (dataRow.RowState != DataRowState.Deleted)
{
if ((System.Boolean)(dgvRow.Cells["colSelected"].Value ?? false))
{
sequenceEntity = new BaseSequenceEntity(dataRow);
// 记录BaseSequence不能被隐藏
if (!sequenceEntity.FullName.Equals("BaseSequence"))
{
selectedCount++;
sequenceEntity.IsVisible = 0;
//sequenceManager.Update(sequenceEntity);该方法调用不成，所以使用了下面调用服务方法更新，待优化
int rowCount = DotNetService.Instance.SequenceService.Update(UserInfo, sequenceEntity, out statusCode, out statusMessage);
}
else
{
MessageBox.Show(AppMessage.Format(AppMessage.MSG0018, "BaseSequence"), AppMessage.MSG0020, MessageBoxButtons.OK, MessageBoxIcon.Information);
return(returnValue);
}
}
}
}
// 被选中记录中被设置隐藏的次数
returnValue = selectedCount > 0;
if (!returnValue)
{
MessageBox.Show(AppMessage.MSG0024, AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
return(returnValue);
}
/// <summary>
/// 获得原序列号
/// </summary>
/// <param name="fullName">序列名称</param>
/// <param name="defaultSequence">默认序列</param>
/// <param name="sequenceLength">序列长度</param>
/// <param name="fillZeroPrefix">是否填充补零</param>
/// <returns>序列号</returns>
public string GetOldSequence(string fullName, int defaultSequence, int sequenceLength, bool fillZeroPrefix)
{
string sequence = string.Empty;
// 这里用锁的机制，提高并发控制能力
lock (SequenceLock)
{
this.SequenceLength = sequenceLength;
this.FillZeroPrefix = fillZeroPrefix;
this.DefaultReduction = defaultSequence;
this.DefaultSequence = defaultSequence + 1;
BaseSequenceEntity sequenceEntity = GetEntityByAdd(fullName);
sequence = GetSequence(sequenceEntity);
}
return(sequence);
}
/// <summary>
/// 更新序列
/// </summary>
/// <param name="userInfo">用户</param>
/// <param name="sequenceEntity">序列实体</param>
/// <param name="statusCode">状态码</param>
/// <param name="statusMessage">状态信息</param>
/// <returns>影响行数</returns>
public int Update(BaseUserInfo userInfo, BaseSequenceEntity sequenceEntity, out string statusCode, out string statusMessage)
{
// 写入调试信息
#if (DEBUG)
int milliStart = BaseBusinessLogic.StartDebug(userInfo, MethodBase.GetCurrentMethod());
#endif
// 加强安全验证防止未授权匿名调用
#if (!DEBUG)
LogOnService.UserIsLogOn(userInfo);
#endif
statusCode = string.Empty;
statusMessage = string.Empty;
int returnValue = 0;
using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType))
{
try
{
dbHelper.Open(UserCenterDbConnection);
BaseSequenceManager sequenceManager = new BaseSequenceManager(dbHelper, userInfo);
// 编辑数据
returnValue = sequenceManager.Update(sequenceEntity, out statusCode);
// returnValue = businessCardManager.Update(businessCardEntity, out statusCode);
statusMessage = sequenceManager.GetStateMessage(statusCode);
BaseLogManager.Instance.Add(dbHelper, userInfo, this.serviceName, AppMessage.SequenceService_Update, MethodBase.GetCurrentMethod());
}
catch (Exception ex)
{
BaseExceptionManager.LogException(dbHelper, userInfo, ex);
throw ex;
}
finally
{
dbHelper.Close();
}
}
// 写入调试信息
#if (DEBUG)
BaseBusinessLogic.EndDebug(MethodBase.GetCurrentMethod(), milliStart);
#endif
return(returnValue);
}
/// <summary>
/// 添加
/// </summary>
/// <param name="sequenceEntity">实体</param>
public string Add(BaseSequenceEntity sequenceEntity, out string statusCode)
{
string returnValue = string.Empty;
// 检查是否重复
if (this.Exists(new KeyValuePair <string, object>(BaseSequenceEntity.FieldFullName, sequenceEntity.FullName)))
{
// 名称已重复
statusCode = StatusCode.ErrorNameExist.ToString();
}
else
{
returnValue = this.AddEntity(sequenceEntity);
// 运行成功
statusCode = StatusCode.OKAdd.ToString();
}
return(returnValue);
}
/// <summary>
/// 获取添加
/// </summary>
/// <param name="fullName">序列名</param>
/// <param name="defaultSequence">序列</param>
/// <param name="defaultReduction">降序序列</param>
/// <returns>序列实体</returns>
BaseSequenceEntity GetEntityByAdd(string fullName)
{
BaseSequenceEntity sequenceEntity = null;
sequenceEntity = this.GetEntityByName(fullName);
if (sequenceEntity == null)
{
sequenceEntity = new BaseSequenceEntity();
// 这里是为了多种数据库的兼容
sequenceEntity.Id = BaseBusinessLogic.NewGuid();
sequenceEntity.FullName = fullName;
sequenceEntity.Sequence = this.DefaultSequence;
sequenceEntity.Reduction = this.DefaultReduction;
sequenceEntity.Step = DefaultStep;
sequenceEntity.Prefix = DefaultPrefix;
sequenceEntity.Separator = DefaultSeparator;
sequenceEntity.IsVisible = DefaultIsVisable;
this.Add(sequenceEntity);
}
return(sequenceEntity);
}
/// <summary>
/// 获取实体
/// </summary>
/// <param name="userInfo">用户</param>
/// <param name="id">主键</param>
/// <returns>实体</returns>
public BaseSequenceEntity GetEntity(BaseUserInfo userInfo, string id)
{
// 写入调试信息
#if (DEBUG)
int milliStart = BaseBusinessLogic.StartDebug(userInfo, MethodBase.GetCurrentMethod());
#endif
// 加强安全验证防止未授权匿名调用
#if (!DEBUG)
LogOnService.UserIsLogOn(userInfo);
#endif
BaseSequenceEntity sequenceEntity = null;
using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType))
{
try
{
dbHelper.Open(UserCenterDbConnection);
BaseSequenceManager sequenceManager = new BaseSequenceManager(dbHelper, userInfo);
sequenceEntity = sequenceManager.GetEntity(id);
BaseLogManager.Instance.Add(dbHelper, userInfo, this.serviceName, AppMessage.SequenceService_GetEntity, MethodBase.GetCurrentMethod());
}
catch (Exception ex)
{
BaseExceptionManager.LogException(dbHelper, userInfo, ex);
throw ex;
}
finally
{
dbHelper.Close();
}
}
// 写入调试信息
#if (DEBUG)
BaseBusinessLogic.EndDebug(MethodBase.GetCurrentMethod(), milliStart);
#endif
return(sequenceEntity);
}
/// <summary>
/// 添加
/// </summary>
/// <param name="baseSequenceEntity">实体</param>
/// <returns>主键</returns>
public string Add(BaseSequenceEntity baseSequenceEntity)
{
return(this.AddEntity(baseSequenceEntity));
}
partial void SetEntityExpand(SQLBuilder sqlBuilder, BaseSequenceEntity sequenceEntity);
/// <summary>
/// 添加实体
/// </summary>
/// <param name="baseSequenceEntity">实体</param>
public string AddEntity(BaseSequenceEntity baseSequenceEntity)
{
string sequence = string.Empty;
this.Identity = false;
if (baseSequenceEntity.Id != null)
{
sequence = baseSequenceEntity.Id.ToString();
}
SQLBuilder sqlBuilder = new SQLBuilder(DbHelper, this.Identity, this.ReturnId);
sqlBuilder.BeginInsert(this.CurrentTableName, BaseSequenceEntity.FieldId);
if (!this.Identity)
{
if (string.IsNullOrEmpty(baseSequenceEntity.Id))
{
sequence = BaseBusinessLogic.NewGuid();
baseSequenceEntity.Id = sequence;
}
sqlBuilder.SetValue(BaseSequenceEntity.FieldId, baseSequenceEntity.Id);
}
else
{
if (!this.ReturnId && (DbHelper.CurrentDbType == DbTypes.Oracle || DbHelper.CurrentDbType == DbTypes.DB2))
{
if (DbHelper.CurrentDbType == DbTypes.Oracle)
{
sqlBuilder.SetFormula(BaseSequenceEntity.FieldId, "SEQ_" + this.CurrentTableName.ToUpper() + ".NEXTVAL ");
}
if (DbHelper.CurrentDbType == DbTypes.DB2)
{
sqlBuilder.SetFormula(BaseSequenceEntity.FieldId, "NEXT VALUE FOR SEQ_" + this.CurrentTableName.ToUpper());
}
}
else
{
if (this.Identity && (DbHelper.CurrentDbType == DbTypes.Oracle || DbHelper.CurrentDbType == DbTypes.DB2))
{
if (string.IsNullOrEmpty(baseSequenceEntity.Id))
{
if (string.IsNullOrEmpty(sequence))
{
BaseSequenceManager sequenceManager = new BaseSequenceManager(DbHelper, this.Identity);
sequence = sequenceManager.GetSequence(this.CurrentTableName);
}
baseSequenceEntity.Id = sequence;
}
sqlBuilder.SetValue(BaseSequenceEntity.FieldId, baseSequenceEntity.Id);
}
}
}
this.SetEntity(sqlBuilder, baseSequenceEntity);
if (UserInfo != null)
{
sqlBuilder.SetValue(BaseSequenceEntity.FieldCreateUserId, UserInfo.Id);
sqlBuilder.SetValue(BaseSequenceEntity.FieldCreateBy, UserInfo.RealName);
}
sqlBuilder.SetDBNow(BaseSequenceEntity.FieldCreateOn);
if (UserInfo != null)
{
sqlBuilder.SetValue(BaseSequenceEntity.FieldModifiedUserId, UserInfo.Id);
sqlBuilder.SetValue(BaseSequenceEntity.FieldModifiedBy, UserInfo.RealName);
}
sqlBuilder.SetDBNow(BaseSequenceEntity.FieldModifiedOn);
if (this.Identity && (DbHelper.CurrentDbType == DbTypes.SqlServer || DbHelper.CurrentDbType == DbTypes.Access))
{
sequence = sqlBuilder.EndInsert().ToString();
}
else
{
sqlBuilder.EndInsert();
}
return(sequence);
}
/// <summary>
/// 获取实体
/// </summary>
/// <param name="id">主键</param>
public BaseSequenceEntity GetEntity(string id)
{
BaseSequenceEntity baseSequenceEntity = new BaseSequenceEntity(this.GetDataTable(new KeyValuePair <string, object>(BaseSequenceEntity.FieldId, id)));
return(baseSequenceEntity);
}
/// <summary>
/// 更新
/// </summary>
/// <param name="baseSequenceEntity">实体</param>
public int Update(BaseSequenceEntity baseSequenceEntity)
{
return(this.UpdateEntity(baseSequenceEntity));
}
/// <summary>
/// 获取倒序序列号
/// </summary>
/// <param name="fullName">序列名称</param>
/// <param name="defaultSequence">默认序列值</param>
/// <returns>序列号</returns>
public string GetReduction(string fullName, int defaultSequence)
{
// 写入调试信息
#if (DEBUG)
int milliStart = Environment.TickCount;
Trace.WriteLine(DateTime.Now.ToString(BaseSystemInfo.TimeFormat) + " :Begin: " + MethodBase.GetCurrentMethod().ReflectedType.Name + "." + MethodBase.GetCurrentMethod().Name);
#endif
BaseSequenceEntity sequenceEntity = null;
// 这里用锁的机制，提高并发控制能力
lock (SequenceLock)
{
this.DefaultReduction = defaultSequence;
this.DefaultSequence = defaultSequence + 1;
switch (DbHelper.CurrentDbType)
{
case DbTypes.Access:
case DbTypes.MySql:
case DbTypes.SqlServer:
sequenceEntity = GetEntityByAdd(fullName);
this.UpdateReduction(fullName);
break;
case DbTypes.Oracle:
if (DbHelper.InTransaction)
{
// 不可以影响别人的事务
sequenceEntity = this.GetSequenceByLock(fullName, defaultSequence);
if (this.ReturnStatusCode == StatusCode.LockOK.ToString())
{
if (this.UpdateReduction(fullName) > 0)
{
this.ReturnStatusCode = StatusCode.LockOK.ToString();
}
else
{
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
}
}
}
else
{
// 这里加锁机制。
try
{
// 开始事务
DbHelper.BeginTransaction();
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
sequenceEntity = this.GetSequenceByLock(fullName, defaultSequence);
if (this.ReturnStatusCode == StatusCode.LockOK.ToString())
{
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
if (this.UpdateReduction(fullName) > 0)
{
// 提交事务
DbHelper.CommitTransaction();
this.ReturnStatusCode = StatusCode.LockOK.ToString();
}
else
{
// 回滚事务
DbHelper.RollbackTransaction();
}
}
else
{
// 回滚事务
DbHelper.RollbackTransaction();
}
}
catch
{
// 回滚事务
DbHelper.RollbackTransaction();
this.ReturnStatusCode = StatusCode.CanNotLock.ToString();
}
}
break;
}
}
// 写入调试信息
#if (DEBUG)
int milliEnd = Environment.TickCount;
Trace.WriteLine(DateTime.Now.ToString(BaseSystemInfo.TimeFormat) + " Ticks: " + TimeSpan.FromMilliseconds(milliEnd - milliStart).ToString() + " :End: " + MethodBase.GetCurrentMethod().ReflectedType.Name + "." + MethodBase.GetCurrentMethod().Name);
#endif
return(GetReduction(sequenceEntity));
}
/// <summary>
/// 检查批量删除的输入的有效性
/// </summary>
/// <returns>允许批量删除</returns>
private bool CheckInputBatchDelete()
{
bool returnValue = false;
// 检查至少要选择一个？
if (!BaseInterfaceLogic.CheckInputSelectAnyOne(this.grdSequence, "colSelected"))
{
return(returnValue);
}
int selectedCount = 0;
BaseSequenceEntity sequenceEntity = new BaseSequenceEntity();
foreach (DataGridViewRow dgvRow in grdSequence.Rows)
{
DataRow dataRow = (dgvRow.DataBoundItem as DataRowView).Row;
if (dataRow.RowState != DataRowState.Deleted)
{
if ((System.Boolean)(dgvRow.Cells["colSelected"].Value ?? false))
{
sequenceEntity = new BaseSequenceEntity(dataRow);
// 有权限删除
if (!sequenceEntity.FullName.Equals("BaseSequence"))
{
selectedCount++;
}
else
{
MessageBox.Show(AppMessage.Format(AppMessage.MSG0018, "BaseSequence"), AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
return(returnValue);
}
}
}
}
//foreach (DataRowView dataRowView in this.DTSequence.DefaultView)
//{
// DataRow dataRow = dataRowView.Row;
// if (dataRow.RowState != DataRowState.Deleted)
// {
// if (dataRow["colSelected"].ToString() == true.ToString())
// {
// sequenceEntity = new BaseSequenceEntity(dataRow);
// // 有权限删除
// if (!sequenceEntity.FullName.Equals("BaseSequence"))
// {
// selectedCount++;
// }
// else
// {
// MessageBox.Show(AppMessage.Format(AppMessage.MSG0018, "BaseSequence"), AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
// return returnValue;
// }
// }
// }
//}
// 有记录被选中了
returnValue = selectedCount > 0;
if (!returnValue)
{
MessageBox.Show(AppMessage.MSG0024, AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
return(returnValue);
}
/// <summary>
/// 添加
/// </summary>
/// <param name="baseSequenceEntity">实体</param>
/// <param name="identity">自增量方式</param>
/// <param name="returnId">返回主键</param>
/// <returns>主键</returns>
public string Add(BaseSequenceEntity baseSequenceEntity, bool identity, bool returnId)
{
this.Identity = identity;
this.ReturnId = returnId;
return(this.AddEntity(baseSequenceEntity));
}