public static Connection GetConnection(ServiceContext context)
{
Connection conn = new Connection();
ConnectionSetup conSetup = new ConnectionSetup();
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Host, context[SettingVariable.ServerName]);
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.UserID, context[SettingVariable.LoginUser]);
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Password, context[SettingVariable.LoginPassword]);
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Port, context[SettingVariable.ClientPort]);
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Authenticate, "true");
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.WindowsDomain, context[SettingVariable.WindowDomain]);
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.IsPrimaryLogin, "true");
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.TimeOut, context[SettingVariable.ConnectionTimeout]);
var label = context[SettingVariable.SecurityLabelName];
conSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.SecurityLabelName, label);
if (label.ToLower() != "k2")
{
conSetup.ConnectionParameters[ConnectionSetup.ParamKeys.Integrated] = "false";
}
conn.Open(context[SettingVariable.ServerName], conSetup.ConnectionString);
return conn;
}
public static void InitConfigValue(ServiceContext context)
{
domain = context[SettingVariable.WindowDomain];
k2User = context[SettingVariable.LoginUser];
k2PassWord = context[SettingVariable.LoginPassword];
label = context[SettingVariable.SecurityLabelName];
clientPort = context[SettingVariable.ClientPort];
}
public static Connection GetConnectionFromPool(ServiceContext context)
{
Connection conn = null;
try
{
conn = K2ConnectionPool.GetConnection(context);
if (conn != null && !string.IsNullOrEmpty(context.UserName) && conn.User.Name.ToLower() != context.UserName.ToLower())
conn.ImpersonateUser(context.UserName);
}
catch (Exception ex)
{
if (conn == null)
conn = GetConnection(context);
}
return conn;
}
public WorklistItem OpenWorklistItem(string userName, string shareUser, string sn, PlatformType platform, bool allocated)
{
try
{
ServiceContext context = new ServiceContext();
context.UserName = K2User.ApplySecurityLabel(shareUser);
GetK2OpenConnection(context.UserName);
SourceCode.Workflow.Client.WorklistItem clientItem = null;
if (!string.IsNullOrEmpty(shareUser))
clientItem = conn.OpenSharedWorklistItem(shareUser, string.Empty, sn, platform.ToString(), allocated);
else
clientItem = conn.OpenWorklistItem(sn, platform.ToString(), allocated);
WorklistItem item = ObjectConverter.ConvertToWFWorklistItem(context, clientItem);
return item;
}
catch (Exception ex)
{
throw ex;
}
finally
{
conn.Close();
}
}
public WorklistItem OpenWorklistItem(string userName, string sn, PlatformType platform, bool allocated)
{
try
{
ServiceContext context = new ServiceContext();
context.UserName = K2User.ApplySecurityLabel(userName);
GetK2OpenConnection(context.UserName);
SourceCode.Workflow.Client.WorklistItem clientItem = conn.OpenWorklistItem(sn);
WorklistItem item = ObjectConverter.ConvertToWFWorklistItem(context, clientItem);
return item;
}
catch (Exception ex)
{
throw ex;
}
finally
{
conn.Close();
}
}
public WorklistItem OpenWorklistItem(string userName, string sn, string shareUser)
{
try
{
ServiceContext context = new ServiceContext();
context.UserName = K2User.ApplySecurityLabel(userName);
GetK2OpenConnection(context.UserName);
SourceCode.Workflow.Client.WorklistItem clientItem;
if (shareUser == "null")
{
shareUser = "";
}
if (!string.IsNullOrEmpty(shareUser))
{
clientItem = conn.OpenSharedWorklistItem(shareUser, null, sn);
}
else
{
clientItem = conn.OpenWorklistItem(sn);
}
WorklistItem item = ObjectConverter.ConvertToWFWorklistItem(context, clientItem);
return item;
}
catch (Exception ex)
{
throw ex;
}
finally
{
conn.Close();
}
}
public static WorklistItem ConvertToWFWorklistItem(ServiceContext context, Client.WorklistItem origObj)
{
if (origObj == null)
{
return null;
}
WorklistItem wlItem = new WorklistItem();
wlItem.ID = origObj.ID;
wlItem.ProcInstID = origObj.ProcessInstance.ID;
wlItem.ActInstDestID = origObj.ActivityInstanceDestination.ID;
wlItem.ActInstID = origObj.ActivityInstanceDestination.ActInstID;
//wlItem.ProcID = origObj.ProcID;
wlItem.ActID = origObj.ActivityInstanceDestination.ActID;
wlItem.EventID = origObj.EventInstance.ID;
wlItem.Destination = origObj.AllocatedUser;
wlItem.AssignedDate = origObj.ActivityInstanceDestination.StartDate.ToString("yyyy-MM-dd HH:mm");
wlItem.StartDate = origObj.ProcessInstance.StartDate.ToString("yyyy-MM-dd HH:mm");
//wlItem.FinishDate = origObj.FinishDate;
wlItem.Status = (WorklistStatus)(int)origObj.Status;
//wlItem.ProfileID = origObj.ProfileID;
//wlItem.TenantID = origObj.TenantID;
wlItem.ActivityName = origObj.ActivityInstanceDestination.Name;
wlItem.ActivityDispName = origObj.ActivityInstanceDestination.Name;
wlItem.FullName = origObj.ProcessInstance.FullName;
wlItem.ProcDispName = origObj.ProcessInstance.Name;
//Added By:BingYi 2014-07-17 Fixed:The Originator should be included in worklist item.
wlItem.Originator = origObj.ProcessInstance.Originator.Name;
wlItem.Folio = origObj.ProcessInstance.Folio;
//wlItem.FlowNumber = origObj.ProcessInstance.;
wlItem.ProcInstStatus = (ProcInstStatus)(int)origObj.ProcessInstance.Status1;
wlItem.ProcStartDate = origObj.ProcessInstance.StartDate.ToString("yyyy-MM-dd HH:mm");
wlItem.SN = origObj.SerialNumber;
wlItem.Data = origObj.Data;
if (origObj.AllocatedUser.ToLower() != (K2User.ApplySecurityLabel(context.UserName)).ToLower())
{
wlItem.Data += "&SharedUser=" + origObj.AllocatedUser;
}
if (origObj.ProcessInstance != null)
{
wlItem.ProcessInstance = ConvertToWFProcessInstance(origObj.ProcessInstance, true);
}
var activityDataFields = new Dictionary<string, object>();
foreach (Client.DataField item in origObj.ActivityInstanceDestination.DataFields)
{
if (activityDataFields.ContainsKey(item.Name))
activityDataFields[item.Name] = item.Value;
else
activityDataFields.Add(item.Name, item.Value);
}
wlItem.ActivityDataFields = activityDataFields;
foreach (Client.Action origAction in origObj.Actions)
{
ApproveAction action = new ApproveAction();
action.Name = origAction.Name;
action.MetaData = origAction.MetaData;
//action.WorklistItem = wlItem;
wlItem.Actions.Add(action);
}
return wlItem;
}
/// <summary>
/// 获取一个K2连接池
/// </summary>
/// <returns></returns>
public static Connection GetConnection(ServiceContext context)
{
InitConfigValue(context);
//todo:
lock (oLock)
{
InitK2ConnPool(context);
}
lock (oLock)
{
CheckK2ConnPool();
}
int seed = 0;
int currPoolId = -1;
lock (oLock)
{
seed = rndGen.Next(maxPoolSize);
for (int i = seed; i < maxPoolSize; i++)
{
if (k2ConnWrap[i].Initialized
&& k2ConnWrap[i].Status == 0)
{
k2ConnWrap[i].Status = 1;
currPoolId = i;
break;
}
}
if (currPoolId == -1)
{
for (int i = seed - 1; i >= 0; i--)
{
if (k2ConnWrap[i].Initialized
&& k2ConnWrap[i].Status == 0)
{
k2ConnWrap[i].Status = 1;
currPoolId = i;
break;
}
}
}
}
//todo:
try
{
if (currPoolId != -1)
{
k2ConnWrap[currPoolId].TimeOfGetting = DateTime.Now;
k2ConnWrap[currPoolId].StackOfGetting = getStackInfo();
k2ConnWrap[currPoolId].K2Conn.RevertUser();
return k2ConnWrap[currPoolId].K2Conn;
}
else
{
Exception exp = null;
int hasNoInitializedIndex = -1;
lock (oLock)
{
for (int i = 0; i < k2ConnWrap.Length; i++)
{
if (k2ConnWrap[i].Initialized) continue;
K2ConnWrap[i].Status = 1;
k2ConnWrap[i].Initialized = true;
hasNoInitializedIndex = i;
break;
}
}
if (hasNoInitializedIndex == -1)
{
return GetNewK2Conn(context);
}
int tryCount = 0;
for (; tryCount < aryServerName.Length; tryCount++)
{
curK2ServerIndex = curK2ServerIndex % aryServerName.Length;
try
{
k2ConnWrap[hasNoInitializedIndex].TimeOfGetting = DateTime.Now;
k2ConnWrap[hasNoInitializedIndex].StackOfGetting = getStackInfo();
k2ConnWrap[hasNoInitializedIndex].InitConn(context, aryServerName[curK2ServerIndex]);
return k2ConnWrap[hasNoInitializedIndex].K2Conn;
}
catch (Exception e)
{
exp = e;
curK2ServerIndex++;
continue;
}
}
K2PoolLogger.logError(
"所有的K2服务器都无法连接。\r\n"
+ exp.Message + "\r\n" + exp.StackTrace);
throw exp;
}
}
catch (Exception ex)
{
K2PoolLogger.logError("得到连接时出错K2ConnnectionPool.GetConnection(), \r\n "
+ "currPoolId = " + currPoolId + ", \r\n"
+ "ex.Messagee = " + ex.Message + "\r\n"
+ "ex.StackTrace = " + ex.StackTrace);
if (currPoolId >= 0 && currPoolId < k2ConnWrap.Length)
{
k2ConnWrap[currPoolId].ReTryConn(context);
return k2ConnWrap[currPoolId].K2Conn;
}
}
return null;
}
public K2ServerProvider(ServiceContext context)
{
K2ServerProvider.InitConfigValue(context);
//this.serverNames = System.Configuration.ConfigurationManager.AppSettings["K2Server"].ToString().Split(',');
this.serverNames = context[SettingVariable.ServerName].Split(',');
K2ServerProvider.availableServerName = this.serverNames[0];
}
//public K2ConnWrap()
//{
// this.k2conn = new Connection();
// try
// {
// ConnectionSetup k2ConSetup = new ConnectionSetup();
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Host, k2Servers.getServerName());
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.UserID, k2User);
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Password, k2PassWord);
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Port, "5252");
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Authenticate, "true");
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.WindowsDomain, domain);
// k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.IsPrimaryLogin, "true");
// //k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.TimeOut, _timeoutNum);
// this.k2conn.Open(k2ConSetup);
// this.status = 0;
// }
// catch (Exception e)
// {
// K2PoolLogger.logError("K2ConnnectionPool.K2ConnWrap():" + e.Message + "\r\n" + e.StackTrace);
// throw e;
// }
// //this._connTime = DateTime.Now;
//}
public void ReTryConn(ServiceContext context)
{
this.k2Servers = new K2ServerProvider(context);
try
{
this.k2conn.Close();
}
catch (Exception)
{ }
this.k2conn = new Connection();
try
{
ConnectionSetup k2ConSetup = new ConnectionSetup();
this.k2Servers.findAvailableServer();
string serverName = this.k2Servers.getServerName();
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Host, serverName);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.UserID, k2User);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Password, k2PassWord);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Port, clientPort);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Authenticate, "true");
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.IsPrimaryLogin, "true");
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.SecurityLabelName, label);
//k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.TimeOut, _timeoutNum);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.WindowsDomain, domain);
if (label.ToLower() != "k2")
k2ConSetup.ConnectionParameters[ConnectionSetup.ParamKeys.Integrated] = "false";
this.k2conn.Open(serverName, k2ConSetup.ConnectionString);
this.K2ServerName += "Retry:" + serverName + "[" + DateTime.Now.ToString("HH:mm") + "],";
}
catch (Exception e)
{
K2PoolLogger.logError("K2ConnnectionPool.ReTryConn():" + e.Message + "\r\n" + e.StackTrace);
throw e;
}
//this.status = 0;
//this._connTime = DateTime.Now;
}
public void InitConn(ServiceContext context, string serverName)
{
InitConfigValue(context);
this.k2conn = new Connection();
ConnectionSetup k2ConSetup = new ConnectionSetup();
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Host, serverName);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.UserID, k2User);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Password, k2PassWord);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Port, clientPort);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.Authenticate, "true");
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.IsPrimaryLogin, "true");
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.SecurityLabelName, label);
//k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.TimeOut, _timeoutNum);
k2ConSetup.ConnectionParameters.Add(ConnectionSetup.ParamKeys.WindowsDomain, domain);
if (label.ToLower() != "k2")
k2ConSetup.ConnectionParameters[ConnectionSetup.ParamKeys.Integrated] = "false";
this.k2conn.Open(serverName, k2ConSetup.ConnectionString);
this.TimeOfInit = DateTime.Now;
this.K2ServerName += serverName + "[" + this.TimeOfInit.ToString("HH:mm:ss") + "],";
}
/// <summary>
/// 连接池无空闲连接，获取新的连接
/// </summary>
/// <returns></returns>
private static Connection GetNewK2Conn(ServiceContext context)
{
InitConfigValue(context);
Connection k2conn = new Connection();
ConnectionSetup k2ConSetup = new ConnectionSetup();
try
{
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.Host, K2ServerProvider.AvailableServerName);
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.UserID, k2User);
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.Password, k2PassWord);
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.Port, clientPort);
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.Authenticate, "true");
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.IsPrimaryLogin, "true");
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.SecurityLabelName, label);
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.WindowsDomain, domain);
if (label.ToLower() != "k2")
SetK2Param(k2ConSetup, ConnectionSetup.ParamKeys.Integrated, "false");
k2conn.Open(K2ServerProvider.AvailableServerName, k2ConSetup.ConnectionString);
lock (oLock)
{
noPoolConnCount++;
}
}
catch (Exception ex)
{
K2PoolLogger.logError("得到新连接时出错K2ConnnectionPool.GetNewK2Conn(), \r\n "
+ "K2ServerProvider.AvailableServerName = " + K2ServerProvider.AvailableServerName + ", \r\n"
+ "ex.Messagee = " + ex.Message + "\r\n"
+ "ex.StackTrace = " + ex.StackTrace);
//2012-2-14 pcitljw
//得到新连接出错时 重新查找别的主机建立连接
K2ConnWrap wrap = new K2ConnWrap();
wrap.K2Conn = k2conn;
wrap.ReTryConn(context);
k2conn = wrap.K2Conn;
//throw;
}
return k2conn;
}
/// <summary>
/// 初始化连接池
/// </summary>
private static void InitK2ConnPool(ServiceContext context)
{
if (IsConstructed) return;
SetMaxPoolSize();
k2ConnWrap = new K2ConnWrap[maxPoolSize];
for (int i = 0; i < k2ConnWrap.Length; i++)
{
k2ConnWrap[i] = new K2ConnWrap();
}
//string strK2Server = System.Configuration.ConfigurationManager.AppSettings["K2Server"].ToString();
string strK2Server = context[SettingVariable.ServerName];
aryServerName = strK2Server.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
//初始化结束
IsConstructed = true;
}
