/// <summary>
/// 创建一个新的或者复用存在的UITask
/// </summary>
/// <param name="uiTaskRegisterItem"></param>
/// <returns></returns>
private UITask CreateOrGetUITaskInstance(UITaskRegisterItem uiTaskRegisterItem)
{
UITask instance = null;
if (uiTaskRegisterItem.AllowMultipleInstance)
{
//AllowMultipleInstance总是会创建出新的实例
instance = ClassLoader.CreateInstance(uiTaskRegisterItem.TypeFullName, uiTaskRegisterItem.Name) as UITask;
int instanceId = GetInstanceID(uiTaskRegisterItem.Name);
instance.SetInstanceID(instanceId);
}
else
{
//复用之前的UITask
List <UITask> uiTasks;
m_uiTaskDic.TryGetValue(uiTaskRegisterItem.Name, out uiTasks);
if (uiTasks != null && uiTasks.Count != 0)
{
instance = uiTasks[0];
}
else
{
//如果不存在，创建一个新的
instance = ClassLoader.CreateInstance(uiTaskRegisterItem.TypeFullName, uiTaskRegisterItem.Name) as UITask;
}
}
return(instance);
}
public override IDbDataParameter CreateParameter(string name, Object dbtype, int gxlength, int gxdec)
{
IDbDataParameter parm = (IDbDataParameter)ClassLoader.CreateInstance(NpgsqlAssembly, "Npgsql.NpgsqlParameter");
ClassLoader.SetPropValue(parm, "NpgsqlDbType", GXTypeToNpgsqlDbType(dbtype));
ClassLoader.SetPropValue(parm, "Size", gxlength);
ClassLoader.SetPropValue(parm, "Precision", (byte)gxlength);
ClassLoader.SetPropValue(parm, "Scale", (byte)gxdec);
ClassLoader.SetPropValue(parm, "ParameterName", name);
return(parm);
}
public override IDbDataParameter CreateParameter(string name, Object dbtype, int gxlength, int gxdec)
{
object ifxType = GXTypeToIfxType((GXType)dbtype);
object[] args = new object[] { name, ifxType, gxlength };
IDbDataParameter parm = (IDbDataParameter)ClassLoader.CreateInstance(IfxAssembly, "IBM.Data.Informix.IfxParameter", args);
ClassLoader.SetPropValue(parm, "IfxType", ifxType);
parm.Precision = (byte)gxdec;
parm.Scale = (byte)gxdec;
return(parm);
}
public InformixConnectionWrapper(String connectionString, GxConnectionCache connCache, IsolationLevel isolationLevel)
{
try
{
_connection = (IDbConnection)ClassLoader.CreateInstance(GxInformix.IfxAssembly, "IBM.Data.Informix.IfxConnection", new object[] { connectionString });
m_isolationLevel = isolationLevel;
m_connectionCache = connCache;
}
catch (Exception ex)
{
GXLogging.Error(log, "Informix data provider Ctr error " + ex.Message + ex.StackTrace);
throw ex;
}
}
public InformixConnectionWrapper()
{
try
{
GXLogging.Debug(log, "Creating Informix data provider ");
_connection = (IDbConnection)ClassLoader.CreateInstance(GxInformix.IfxAssembly, "IBM.Data.Informix.IfxConnection");
GXLogging.Debug(log, "Informix data provider created");
}
catch (Exception ex)
{
GXLogging.Error(log, "Informix data provider Ctr error " + ex.Message + ex.StackTrace);
throw ex;
}
}
public PostgresqlConnectionWrapper(String connectionString, GxConnectionCache connCache, IsolationLevel isolationLevel)
{
try
{
_connection = (IDbConnection)ClassLoader.CreateInstance(GxPostgreSql.NpgsqlAssembly, "Npgsql.NpgsqlConnection", new object[] { connectionString });
m_isolationLevel = isolationLevel;
m_connectionCache = connCache;
}
catch (Exception ex)
{
GXLogging.Error(log, "Npgsql data provider Ctr error " + ex.Message + ex.StackTrace);
throw ex;
}
}
public override IDbDataParameter CreateParameter()
{
return((IDbDataParameter)ClassLoader.CreateInstance(IfxAssembly, "IBM.Data.Informix.IfxParameter"));
}
public PostgresqlConnectionWrapper()
{
_connection = (IDbConnection)ClassLoader.CreateInstance(GxPostgreSql.NpgsqlAssembly, "Npgsql.NpgsqlConnection");
}
public override IDbDataParameter CreateParameter()
{
return((IDbDataParameter)ClassLoader.CreateInstance(NpgsqlAssembly, "Npgsql.NpgsqlParameter"));
}
internal static object CreateInstance()
{
return(ClassLoader.CreateInstance(GeoAssembly, SqlGeographyClass, null));
}