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The messaging and data conversion protocol between Java and DolphinDB server
package com.xxdb.data;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.Temporal;
import com.xxdb.io.ExtendedDataInput;
/**
*
* Corresponds to DolphinDB datehour scalar
*
*/
public class BasicDateHour extends BasicInt {
private static DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy.MM.dd'T'HH");
public BasicDateHour(LocalDateTime value){
super(Utils.countHours(value));
}
public BasicDateHour(ExtendedDataInput in) throws IOException {
super(in);
}
protected BasicDateHour(int value){
super(value);
}
@Override
public DATA_CATEGORY getDataCategory() {
return Entity.DATA_CATEGORY.TEMPORAL;
}
@Override
public DATA_TYPE getDataType() {
return Entity.DATA_TYPE.DT_DATEHOUR;
}
public LocalDateTime getDateHour() {
if(isNull())
return null;
else
return Utils.parseDateHour(getInt());
}
@Override
public Temporal getTemporal() throws Exception {
return getDateHour();
}
@Override
public String getString() {
if(isNull())
return "";
else
return getDateHour().format(format);
}
@Override
public boolean equals(Object o){
if(! (o instanceof BasicDateHour) || o == null)
return false;
else
return getInt() == ((BasicDateHour)o).getInt();
}
}