/// <summary>
/// set the value of this argument to a given field
/// </summary>
/// <param name = "destFld">the destination field
/// </param>
internal void setValueToField(Field destFld)
{
String val;
bool isNull;
switch (_type)
{
case ConstInterface.ARG_TYPE_FIELD:
val = _fld.getValue(true);
val = convertArgs(val, _fld.getType(), destFld.getType());
isNull = _fld.isNull() || val == null;
break;
case ConstInterface.ARG_TYPE_EXP:
val = _exp.evaluate(destFld.getType(), destFld.getSize());
isNull = (val == null);
if (isNull)
{
val = getEmptyValue((destFld.getType() == StorageAttribute.BLOB ||
destFld.getType() == StorageAttribute.BLOB_VECTOR));
}
break;
case ConstInterface.ARG_TYPE_VALUE:
val = convertArgs(_val, _valueAttr, destFld.getType());
isNull = _valueIsNull || val == null;
break;
default:
return;
}
// Update destination field's _isNULL with the value from record. This is needed to identify
// if the variable is modified.
destFld.takeValFromRec();
destFld.setValueAndStartRecompute(val, isNull, ((Task)destFld.getTask()).DataViewWasRetrieved, false, true);
}
/// <summary>
/// This method fills the argument data from the mainProgVar strings
/// </summary>
/// <param name = "mainProgVar">- a vector of strings of main program variables</param>
/// <param name = "mainProgTask">- the main program task</param>
internal void fillDataByMainProgVars(String mainProgVar, Task mainProgTask)
{
if (mainProgVar.Equals("Skip"))
{
_skip = true;
}
else
{
int fldId = Int32.Parse(mainProgVar) - 1;
_type = ConstInterface.ARG_TYPE_VALUE;
_fld = (Field)mainProgTask.getField(fldId);
_val = _fld.getValue(true);
_valueIsNull = _fld.isNull();
_valueAttr = _fld.getType();
}
}
