public DateTime Evaluate(
DateTime dateTime,
EventBean[] eventsPerStream,
bool isNewData,
ExprEvaluatorContext context)
{
var value = CalendarOpUtil.GetInt(_valueExpr, eventsPerStream, isNewData, context);
if (value == null) {
return dateTime;
}
return DateTimeFieldMath.SetFieldValue(dateTime, _field, value.Value);
}
public CalendarForge GetOp(
DateTimeMethodEnum method,
string methodNameUsed,
IList<ExprNode> parameters,
ExprForge[] forges)
{
if (method == DateTimeMethodEnum.WITHTIME) {
return new CalendarWithTimeForge(forges[0], forges[1], forges[2], forges[3]);
}
if (method == DateTimeMethodEnum.WITHDATE) {
return new CalendarWithDateForge(forges[0], forges[1], forges[2]);
}
if (method == DateTimeMethodEnum.PLUS || method == DateTimeMethodEnum.MINUS) {
return new CalendarPlusMinusForge(forges[0], method == DateTimeMethodEnum.MINUS ? -1 : 1);
}
if (method == DateTimeMethodEnum.WITHMAX ||
method == DateTimeMethodEnum.WITHMIN ||
method == DateTimeMethodEnum.ROUNDCEILING ||
method == DateTimeMethodEnum.ROUNDFLOOR ||
method == DateTimeMethodEnum.ROUNDHALF ||
method == DateTimeMethodEnum.SET) {
DateTimeFieldEnum fieldNum = CalendarOpUtil.GetEnum(methodNameUsed, parameters[0]);
if (method == DateTimeMethodEnum.WITHMIN) {
return new CalendarWithMinForge(fieldNum);
}
if (method == DateTimeMethodEnum.ROUNDCEILING ||
method == DateTimeMethodEnum.ROUNDFLOOR ||
method == DateTimeMethodEnum.ROUNDHALF) {
return new CalendarForgeRound(fieldNum, method);
}
if (method == DateTimeMethodEnum.SET) {
return new CalendarSetForge(fieldNum, forges[1]);
}
return new CalendarWithMaxForge(fieldNum);
}
throw new IllegalStateException("Unrecognized calendar-op code '" + method + "'");
}
public CalendarForge GetOp(
DatetimeMethodDesc desc,
string methodNameUsed,
IList<ExprNode> parameters,
ExprForge[] forges)
{
DateTimeMethodEnum method = desc.DatetimeMethod;
switch (method) {
case DateTimeMethodEnum.WITHTIME:
return new CalendarWithTimeForge(forges[0], forges[1], forges[2], forges[3]);
case DateTimeMethodEnum.WITHDATE:
return new CalendarWithDateForge(forges[0], forges[1], forges[2]);
case DateTimeMethodEnum.PLUS:
case DateTimeMethodEnum.MINUS:
return new CalendarPlusMinusForge(forges[0], method == DateTimeMethodEnum.MINUS ? -1 : 1);
case DateTimeMethodEnum.WITHMAX:
case DateTimeMethodEnum.WITHMIN:
case DateTimeMethodEnum.ROUNDCEILING:
case DateTimeMethodEnum.ROUNDFLOOR:
case DateTimeMethodEnum.ROUNDHALF:
case DateTimeMethodEnum.SET: {
var fieldNum = CalendarOpUtil.GetEnum(methodNameUsed, parameters[0]);
return method switch {
DateTimeMethodEnum.WITHMIN => new CalendarWithMinForge(fieldNum),
DateTimeMethodEnum.ROUNDCEILING => new CalendarForgeRound(fieldNum, method),
DateTimeMethodEnum.ROUNDFLOOR => new CalendarForgeRound(fieldNum, method),
DateTimeMethodEnum.ROUNDHALF => new CalendarForgeRound(fieldNum, method),
DateTimeMethodEnum.SET => new CalendarSetForge(fieldNum, forges[1]),
_ => new CalendarWithMaxForge(fieldNum)
};
}
default:
throw new IllegalStateException("Unrecognized calendar-op code '" + method + "'");
}
}
