/// <summary>
/// Find all the tokens for process instance ,and the nodeId of the token must equals to the second argument.
/// </summary>
/// <param name="processInstanceId">the id of the process instance</param>
/// <param name="nodeId">if the nodeId is null ,then return all the tokens of the process instance.</param>
/// <returns></returns>
public IList<IToken> FindTokensForProcessInstance(String processInstanceId, String nodeId)
{
if (String.IsNullOrEmpty(processInstanceId)) return null;
QueryField queryField = new QueryField();
queryField.Add(new QueryFieldInfo("processinstance_id", CSharpType.String, processInstanceId));
queryField.Add(new QueryFieldInfo("node_id", CSharpType.String, nodeId));
QueryInfo queryInfo = SQLiteHelper.GetFormatQuery(queryField);
IList<IToken> infos = new List<IToken>();
using (SQLiteConnection connection = new SQLiteConnection(connectionString))
{
string select = String.Format("select * from t_ff_rt_token {0}", queryInfo.QueryStringWhere);
SQLiteDataReader reader = null;
try
{
reader = SQLiteHelper.ExecuteReader(connection, CommandType.Text, select, ((List<SQLiteParameter>)queryInfo.ListQueryParameters).ToArray());
if (reader != null)
{
while (reader.Read())
{
IToken info = SQLiteDataReaderToInfo.GetToken(reader);
infos.Add(info);
}
}
}
finally
{
reader.Close();
}
}
return infos;
}
/// <summary>
/// 获得操作员发起的工作流实例列表(运行中)（分页）
/// publishUser如果为null，获取全部
/// </summary>
/// <param name="creatorId">操作员主键</param>
/// <param name="publishUser">流程定义发布者</param>
/// <param name="pageSize">每页显示的条数</param>
/// <param name="pageNumber">当前页数</param>
/// <returns></returns>
public IList<IProcessInstance> FindProcessInstanceListByCreatorId(String creatorId, String publishUser, int pageSize, int pageNumber)
{
int sum = 0;
IList<IProcessInstance> _IProcessInstances = new List<IProcessInstance>();
QueryField queryField = new QueryField();
if(!string.IsNullOrEmpty(creatorId))
queryField.Add(new QueryFieldInfo("a.creator_id", CSharpType.String, creatorId));
if(!string.IsNullOrEmpty(publishUser))
queryField.Add(new QueryFieldInfo("b.publish_user", CSharpType.String, publishUser));
QueryInfo queryInfo = SQLiteHelper.GetFormatQuery(queryField);
SQLiteConnection conn = new SQLiteConnection(connectionString);
SQLiteDataReader reader = null;
try
{
reader = SQLiteHelper.ExecuteReader(conn, pageNumber, pageSize, out sum,
"T_FF_RT_PROCESSINSTANCE a,t_ff_df_workflowdef b",
"a.id",
"a.*,b.publish_user",
String.Format("a.process_id=b.process_id and a.version=b.version {0}", queryInfo.QueryStringAnd),
"created_time desc",
queryInfo.ListQueryParameters == null ? null : queryInfo.ListQueryParameters.ToArray());
if (reader != null)
{
while (reader.Read())
{
IProcessInstance _IProcessInstance = SQLiteDataReaderToInfo.GetProcessInstance(reader);
_IProcessInstances.Add(_IProcessInstance);
}
}
}
catch
{
throw;
}
finally
{
if (reader != null) reader.Close();
if (conn.State != ConnectionState.Closed)
{
conn.Close();
conn.Dispose();
}
}
return _IProcessInstances;
}
/// <summary>
/// 查找操作员在某个流程某个任务上的已办工单。
/// actorId，processId，taskId都可以为空（null或者""）,为空的条件将被忽略
/// 已办工单是指状态等于COMPLETED或CANCELED的工单
/// (Engine没有引用到该方法，提供给业务系统使用，20090303)
/// </summary>
public IList<IWorkItem> FindHaveDoneWorkItems(String actorId, String processId, String taskId)
{
QueryField queryField = new QueryField();
queryField.Add(new QueryFieldInfo("actor_id", CSharpType.String, actorId));
queryField.Add(new QueryFieldInfo("process_id", CSharpType.String, processId));
queryField.Add(new QueryFieldInfo("task_id", CSharpType.String, taskId));
QueryInfo queryInfo = SQLiteHelper.GetFormatQuery(queryField);
IList<IWorkItem> infos = new List<IWorkItem>();
using (SQLiteConnection connection = new SQLiteConnection(connectionString))
{
String select = String.Format(
"select a.*,b.* from t_ff_rt_workitem a,t_ff_rt_taskinstance b where a.taskinstance_id=b.id and a.state in ({0},{1}){2}",
(int)WorkItemEnum.COMPLETED,
(int)WorkItemEnum.CANCELED,
queryInfo.QueryStringAnd);
SQLiteDataReader reader = null;
try
{
reader = SQLiteHelper.ExecuteReader(connection, CommandType.Text, select, ((List<SQLiteParameter>)queryInfo.ListQueryParameters).ToArray());
if (reader != null)
{
while (reader.Read())
{
IWorkItem info = SQLiteDataReaderToInfo.GetWorkItem(reader);
ITaskInstance iTaskInstance = SQLiteDataReaderToInfo.GetTaskInstance(reader); //FindTaskInstanceById(((WorkItem)info).TaskInstanceId);
((WorkItem)info).TaskInstance = iTaskInstance;
infos.Add(info);
}
}
}
finally
{
reader.Close();
}
}
return infos;
}