public static void SetParameter(this IDataParameter dataContainer, string name, object paramValue, int length, int decimals)
{
RfcErrorInfo errorInfo;
var type = paramValue.GetType();
switch (SnwTypeConverter.ToRfcType(type))
{
case RfcType.Char:
{
var value = (char[])paramValue;
UnsafeNativeMethods.RfcSetChars(dataContainer.DataHandle(), name, value, value.Length, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Num:
{
var value = (SnwNumeric)paramValue;
if ((length > 0) && (value.Length > length))
{
throw new SnwConnectorException(Messages.MaxParameterLengthError, length);
}
UnsafeNativeMethods.RfcSetNum(dataContainer.DataHandle(), name, value.ToChar(), value.Length, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.String:
{
var value = (string)paramValue;
UnsafeNativeMethods.RfcSetString(dataContainer.DataHandle(), name, value, value.Length, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Date:
{
var value = (SnwDate)paramValue;
UnsafeNativeMethods.RfcSetDate(dataContainer.DataHandle(), name, value.ToChar(), out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Time:
{
var time = (SnwTime)paramValue;
UnsafeNativeMethods.RfcSetTime(dataContainer.DataHandle(), name, time.ToChar(), out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Byte:
{
var value = (byte[])paramValue;
UnsafeNativeMethods.RfcSetBytes(dataContainer.DataHandle(), name, value, value.Length, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Int:
{
UnsafeNativeMethods.RfcSetInt(dataContainer.DataHandle(), name, (int)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Int1:
{
UnsafeNativeMethods.RfcSetInt1(dataContainer.DataHandle(), name, (byte)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
}
break;
case RfcType.Int2:
{
UnsafeNativeMethods.RfcSetInt2(dataContainer.DataHandle(), name, (short)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
} break;
case RfcType.Float:
{
UnsafeNativeMethods.RfcSetFloat(dataContainer.DataHandle(), name, (double)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
}
break;
case RfcType.DecF16:
{
UnsafeNativeMethods.RfcSetDecF16(dataContainer.DataHandle(), name, (decimal)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
}
break;
case RfcType.DecF34:
{
UnsafeNativeMethods.RfcSetDecF34(dataContainer.DataHandle(), name, (decimal)paramValue, out errorInfo);
errorInfo.IfErrorThrowException();
}
break;
case RfcType.XString:
{
var value = (SnwXString)paramValue;
UnsafeNativeMethods.RfcSetXString(dataContainer.DataHandle(), name, value.ToByteArray(), value.Length, out errorInfo);
errorInfo.IfErrorThrowException();
}
break;
default:
{
throw new SnwConnectorException(string.Format(CultureInfo.InvariantCulture, Messages.TypeNotHandled, type));
}
}
}
public static T GetParameter <T>(this IDataParameter dataContainer, string name, int length, int decimals, RfcType rfcType)
{
RfcErrorInfo errorInfo;
object result;
switch (rfcType)
{
case RfcType.Char:
{
var buffer = new StringBuilder(length);
UnsafeNativeMethods.RfcGetChars(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = buffer;
}
break;
case RfcType.Num:
{
var buffer = new char[length];
UnsafeNativeMethods.RfcGetNum(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwNumeric(new string(buffer));
}
break;
case RfcType.String:
{
int stringLength = 200;
//UnsafeNativeMethods.RfcGetStringLength(dataContainer.DataHandle(), name, out stringLength, out errorInfo);
//errorInfo.IfErrorThrowException();
var stringBuffer = new StringBuilder(stringLength + 1);
int retlength;
UnsafeNativeMethods.RfcGetString(dataContainer.DataHandle(), name, stringBuffer, stringBuffer.Capacity, out retlength, out errorInfo);
errorInfo.IfErrorThrowException();
result = stringBuffer.ToString();
}
break;
case RfcType.Date:
{
var date = new char[8];
UnsafeNativeMethods.RfcGetDate(dataContainer.DataHandle(), name, date, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwDate(new string(date));
}
break;
case RfcType.Time:
{
var time = new char[6];
UnsafeNativeMethods.RfcGetTime(dataContainer.DataHandle(), name, time, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwTime(new string(time));
}
break;
case RfcType.Byte:
{
var buffer = new byte[length];
UnsafeNativeMethods.RfcGetBytes(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = buffer;
}
break;
case RfcType.Int:
{
int value;
UnsafeNativeMethods.RfcGetInt(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Int1:
{
byte value;
UnsafeNativeMethods.RfcGetInt1(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Int2:
{
short value;
UnsafeNativeMethods.RfcGetInt2(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Float:
{
double value;
UnsafeNativeMethods.RfcGetFloat(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.DecF16:
{
decimal value;
UnsafeNativeMethods.RfcGetDecF16(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.DecF34:
{
decimal value;
UnsafeNativeMethods.RfcGetDecF16(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.XString:
{
var buffer = new byte[length];
int outLength;
UnsafeNativeMethods.RfcGetXString(dataContainer.DataHandle(), name, buffer, buffer.Length,
out outLength, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwXString(buffer);
}
break;
case RfcType.Structure:
{
IntPtr structureHandle;
UnsafeNativeMethods.RfcGetStructure(dataContainer.DataHandle(), name, out structureHandle, out errorInfo);
errorInfo.IfErrorThrowException();
var structure = new SnwStructure(structureHandle);
result = typeof(T).GetConstructor(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public, null, new[] { typeof(SnwStructure) }, null).Invoke(new object[] { structure });
}
break;
case RfcType.Table:
{
IntPtr tableHandle;
UnsafeNativeMethods.RfcGetTable(dataContainer.DataHandle(), name, out tableHandle, out errorInfo);
errorInfo.IfErrorThrowException();
var table = new SnwTable <SnwStructure>(tableHandle);
result = typeof(T).GetConstructor(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public, null, new[] { typeof(SnwTable <SnwStructure>) }, null).Invoke(new object[] { table });
}
break;
default:
{
throw new SnwConnectorException(string.Format(CultureInfo.InvariantCulture, Messages.TypeNotHandled, typeof(T)));
}
}
return((T)result);
}
