Package tech.tablesaw.columns.numbers

Class LongColumnType

java.lang.Object

tech.tablesaw.columns.AbstractColumnType

tech.tablesaw.columns.numbers.LongColumnType

All Implemented Interfaces:

ColumnType

public class LongColumnType
extends AbstractColumnType

The ColumnType for LongColumn

Field Summary

Fields

Modifier and Type	Field	Description
static LongParser	DEFAULT_PARSER	The default parser for LongColumn

Fields inherited from interface tech.tablesaw.api.ColumnType

BOOLEAN, DOUBLE, FLOAT, INSTANT, INTEGER, LOCAL_DATE, LOCAL_DATE_TIME, LOCAL_TIME, LONG, SHORT, SKIP, STRING, TEXT, values

Method Summary

Modifier and Type	Method	Description
LongColumn	create(String name)	Returns a column of this type with the given name
LongParser	customParser(ReadOptions options)	TODO: Research this method to provide a good comment
LongParser	defaultParser()	Returns the default parser used to convert strings to long values
static LongColumnType	instance()	Returns the singleton instance of LongColumnType
static long	missingValueIndicator()	Returns the missing value indicator for this column type NOTE:
static boolean	valueIsMissing(long value)	Returns true if the given value is the missing value indicator for this column type

Methods inherited from class tech.tablesaw.columns.AbstractColumnType

byteSize, equals, getPrinterFriendlyName, hashCode, name, toString

Methods inherited from interface tech.tablesaw.api.ColumnType

compare, compare, register, valueOf, values

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_PARSER

public static final LongParser DEFAULT_PARSER

The default parser for LongColumn

Method Detail

instance

public static LongColumnType instance()

Returns the singleton instance of LongColumnType

create

public LongColumn create(String name)

Returns a column of this type with the given name

defaultParser

public LongParser defaultParser()

Returns the default parser used to convert strings to long values

customParser

public LongParser customParser(ReadOptions options)

TODO: Research this method to provide a good comment

valueIsMissing

public static boolean valueIsMissing(long value)

Returns true if the given value is the missing value indicator for this column type

missingValueIndicator

public static long missingValueIndicator()

Returns the missing value indicator for this column type NOTE: