/// <summary>
/// 增加一条记录，返回新的ID号。需要有一个单一主键，并且开启有标识符属性（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual async Task <int> InsertAsync(FlowProcessEntity entity)
{
if (entity.ProcessID <= 0)
{
entity.ProcessID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into FlowProcess (" +
"ProcessID," +
"FlowID," +
"ProcessName," +
"Description," +
"PassActionName," +
"PassActionStatus," +
"RejectActionName," +
"RejectActionStatus) " +
"values(" +
"@ProcessID," +
"@FlowID," +
"@ProcessName," +
"@Description," +
"@PassActionName," +
"@PassActionStatus," +
"@RejectActionName," +
"@RejectActionStatus)";
if (await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)))
{
return(DataConverter.CLng(entity.ProcessID));
}
return(-1);
}
/// <summary>
/// 增加一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual bool Add(FlowProcessEntity entity)
{
if (entity.ProcessID <= 0)
{
entity.ProcessID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into FlowProcess (" +
"ProcessID," +
"FlowID," +
"ProcessName," +
"Description," +
"PassActionName," +
"PassActionStatus," +
"RejectActionName," +
"RejectActionStatus) " +
"values(" +
"@ProcessID," +
"@FlowID," +
"@ProcessName," +
"@Description," +
"@PassActionName," +
"@PassActionStatus," +
"@RejectActionName," +
"@RejectActionStatus)";
return(_DB.ExeSQLResult(strSQL, dict));
}
/// <summary>
/// 构造函数。
/// </summary>
public FlowServicePresenter()
{
this.flowProcessEntity = new FlowProcessEntity();
this.flowProcessInstanceEntity = new FlowProcessInstanceEntity();
this.flowStepInstanceEntity = new FlowStepInstanceEntity();
this.flowStepInstanceDataEntity = new FlowStepInstanceDataEntity();
this.flowInstanceRunErrorEntity = new FlowInstanceRunErrorEntity();
}
/// <summary>
/// 把实体类转换成键/值对集合
/// </summary>
/// <param name="entity"></param>
/// <param name="dict"></param>
private static void GetParameters(FlowProcessEntity entity, Dictionary <string, object> dict)
{
dict.Add("ProcessID", entity.ProcessID);
dict.Add("FlowID", entity.FlowID);
dict.Add("ProcessName", entity.ProcessName);
dict.Add("Description", entity.Description);
dict.Add("PassActionName", entity.PassActionName);
dict.Add("PassActionStatus", entity.PassActionStatus);
dict.Add("RejectActionName", entity.RejectActionName);
dict.Add("RejectActionStatus", entity.RejectActionStatus);
}
/// <summary>
/// 通过数据读取器生成实体类
/// </summary>
/// <param name="rdr"></param>
/// <returns></returns>
private static FlowProcessEntity GetEntityFromrdr(NullableDataReader rdr)
{
FlowProcessEntity info = new FlowProcessEntity();
info.ProcessID = rdr.GetInt32("ProcessID");
info.FlowID = rdr.GetInt32("FlowID");
info.ProcessName = rdr.GetString("ProcessName");
info.Description = rdr.GetString("Description");
info.PassActionName = rdr.GetString("PassActionName");
info.PassActionStatus = rdr.GetInt32("PassActionStatus");
info.RejectActionName = rdr.GetString("RejectActionName");
info.RejectActionStatus = rdr.GetInt32("RejectActionStatus");
return(info);
}
/// <summary>
/// 获取实体（异步方式）
/// </summary>
/// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param>
/// <param name="dict">参数的名/值集合</param>
/// <returns></returns>
public virtual async Task <FlowProcessEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
FlowProcessEntity obj = null;
string strSQL = "select top 1 * from FlowProcess where 1=1 " + strWhere;
using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict)))
{
if (reader.Read())
{
obj = GetEntityFromrdr(reader);
}
}
return(obj);
}
/// <summary>
/// 更新一条记录（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual async Task <bool> UpdateAsync(FlowProcessEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update FlowProcess SET " +
"FlowID = @FlowID," +
"ProcessName = @ProcessName," +
"Description = @Description," +
"PassActionName = @PassActionName," +
"PassActionStatus = @PassActionStatus," +
"RejectActionName = @RejectActionName," +
"RejectActionStatus = @RejectActionStatus" +
" WHERE " +
"ProcessID = @ProcessID";
return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)));
}
/// <summary>
/// 从数据库创建Process类。
/// </summary>
/// <param name="processID">流程ID。</param>
/// <returns>流程类。</returns>
public static Process CreateProcess(GUIDEx processID)
{
lock (ModuleUtils.SynchronizedObject)
{
Process process = null;
if (processID.IsValid)
{
#region 流程信息。
FlowProcessEntity flowProcessEntity = new FlowProcessEntity();
FlowStepEntity flowStepEntity = new FlowStepEntity();
FlowTransitionEntity flowTransitionEntity = new FlowTransitionEntity();
FlowProcess p = new FlowProcess();
p.ProcessID = processID;
if (flowProcessEntity.LoadRecord(ref p))
{
process = new Process();
process.ProcessID = p.ProcessID;
process.ProcessName = p.ProcessName;
process.ProcessSign = p.ProcessSign;
process.BeginDate = p.BeginDate;
process.EndDate = p.EndDate;
process.ProcessDescription = p.ProcessDescription;
#region 步骤信息。
process.Steps = flowStepEntity.LoadStepCollection(process.ProcessID);
#endregion
#region 变迁规则。
process.Transitions = flowTransitionEntity.LoadTransitionCollection(process.ProcessID);
#endregion
}
#endregion
}
return process;
}
}
/// <summary>
/// 增加或更新一条记录（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <param name="IsSave">是否增加</param>
/// <returns></returns>
public virtual async Task <bool> AddOrUpdateAsync(FlowProcessEntity entity, bool IsSave)
{
return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity));
}
/// <summary>
/// 增加或更新一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <param name="IsSave">是否增加</param>
/// <returns></returns>
public virtual bool AddOrUpdate(FlowProcessEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
