/// <summary>
/// CTOR
/// </summary>
/// <param name = "fldRef">a reference to the field</param>
internal RunTimeEvent(Field fldRef)
: base()
{
_eventFld = fldRef;
init(fldRef != null
? (Task)fldRef.getTask()
: null);
}
/// <summary>
/// build the XML string for the argument
/// </summary>
/// <param name = "message">the XML string to append the argument to</param>
protected internal void buildXML(StringBuilder message)
{
switch (_type)
{
case ConstInterface.ARG_TYPE_FIELD:
message.Append("F:" + _fld.getTask().getTaskTag() + "," + _fld.getId());
break;
case ConstInterface.ARG_TYPE_EXP:
message.Append("E:" + _exp.getId());
break;
case ConstInterface.ARG_TYPE_SKIP:
message.Append("X:0");
break;
default:
Logger.Instance.WriteExceptionToLog("in Argument.buildXML() illegal type: " + _type);
break;
}
}
/// <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);
}