/// <summary>
/// 初始化流程定义Id
/// </summary>
/// <param name="flInstance">流程</param>
/// <param name="clientInfo">ClientInfo</param>
public void InitFLDefinitionId(FLInstance flInstance, object[] clientInfo)
{
string flTypeName = flInstance.RootFLActivity.Name;
string flDefinition = flInstance.GetFLDefinitionXml().InnerXml;
string flTypeId = Global.GetFLTypeId(flTypeName, flDefinition, clientInfo);
_flDefinitionId = new Guid(flTypeId);
}
/// <summary>
/// 修改流程定义
/// </summary>
/// <param name="flInstance">流程</param>
/// <param name="clientInfo">ClientInfo</param>
public static void ModifyFLInstanceDefinition(FLInstance flInstance, object[] clientInfo)
{
string flTypeName = flInstance.RootFLActivity.Name;
string flDefinition = flInstance.GetFLDefinitionXml().InnerXml;
string flTypeId = Global.GetFLTypeId(flTypeName, flDefinition, clientInfo);
string sql = MODIFY_FLINSTANCESTATE + MODIFY_TODO;
sql = string.Format(sql, flInstance.FLInstanceId, flTypeId);
object o = clientInfo[0];
object[] os = (object[])o;
string dbAlias = os[2].ToString();
DbConnectionType dbConnectionType = DbConnectionType.SqlClient;
//string connString = GetConnectionString(dbAlias, out dbConnectionType, true);
if (dbConnectionType == DbConnectionType.OleDb || dbConnectionType == DbConnectionType.Informix
|| dbConnectionType == DbConnectionType.Odbc)
{
sql = sql.Replace("@State", "?");
}
else if (dbConnectionType == DbConnectionType.OracleClient)
{
sql = sql.Replace("@State", ":State");
}
IDbConnection conn = AllocateConnection(dbAlias, true, clientInfo);
//IDbConnection conn = AllocateConnection(dbConnectionType, connString);
IDbCommand cmd = AllocateCommand(conn, sql);
MemoryStream stream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, flInstance);
IDataParameter state = null;
if (dbConnectionType == DbConnectionType.OleDb)
{
state = AllocateParameter(cmd, "?", DbType.Binary);
(state as OleDbParameter).OleDbType = OleDbType.LongVarBinary;
state.Value = stream.GetBuffer();
}
else if (dbConnectionType == DbConnectionType.OracleClient)
{
state = AllocateParameter(cmd, ":State", DbType.Binary);
(state as OracleParameter).OracleType = OracleType.Blob;
state.Value = stream.GetBuffer();
}
else if (dbConnectionType == DbConnectionType.Odbc)
{
state = AllocateParameter(cmd, "?", DbType.Binary);
(state as OdbcParameter).OdbcType = OdbcType.Binary;
state.Value = stream.GetBuffer();
}
else if (dbConnectionType == DbConnectionType.Informix)
{
state = AllocateParameter(cmd, "?", DbType.Binary);
state.Value = stream.GetBuffer();
}
else
{
state = AllocateParameter(cmd, "@State", DbType.Binary);
state.Value = stream.GetBuffer();
}
cmd.Parameters.Add(state);
if (cmd.Connection.State == ConnectionState.Closed)
{
cmd.Connection.Open();
}
if (dbConnectionType == DbConnectionType.Informix || dbConnectionType == DbConnectionType.Odbc)
{
cmd.CommandText = String.Format(MODIFY_FLINSTANCESTATE, flInstance.FLInstanceId).Replace("@State", "?");
cmd.ExecuteNonQuery();
cmd.Connection.Close();
IDbCommand cmd1 = AllocateCommand(conn, String.Format(MODIFY_TODO, flInstance.FLInstanceId, flTypeId));
if (cmd1.Connection.State == ConnectionState.Closed)
{
cmd1.Connection.Open();
}
cmd1.ExecuteNonQuery();
cmd1.Connection.Close();
}
else
{
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
}
/// <summary>
/// �����
/// </summary>
/// <param name="flInstance">����</param>
/// <param name="isFirstUnload">�Ƿ��һ��ж��</param>
private void UnloadFLInstance(FLInstance flInstance, bool isFirstUnload)
{
Guid flInstanceId = flInstance.FLInstanceId;
object[] clientInfo = flInstance.GetClientInfo();
if (clientInfo == null)
{
throw new Exception("FLRuntime.UnloadFLInstance");
}
object o = GetService(typeof(FLPersistenceService));
if (o != null)
{
FLPersistenceService flPersistenceService = (FLPersistenceService)o;
if (isFirstUnload)
{
Guid flDefiniationId = flInstance.FLDefinitionId;
flPersistenceService.PersistenceFLDefinition(flDefiniationId, flInstance.FLDefinition.Name, flInstance.GetFLDefinitionXml().InnerXml, clientInfo);
}
flPersistenceService.PersistenceFL(flInstance, clientInfo);
}
flInstance = null;
}