au.gov.tas.dpiwe.mr.util
Class NullableLong

java.lang.Object
  java.lang.Number
      au.gov.tas.dpiwe.mr.util.MrNumber
          au.gov.tas.dpiwe.mr.util.NullableNumber
              au.gov.tas.dpiwe.mr.util.NullableLong

All Implemented Interfaces:

TypedNumber, Serializable, Cloneable, Comparable

public class NullableLong
extends NullableNumber
implements Comparable

This is an emulation of Long which can simulate a null reference. It can be used to indicate a search for null values in a find[All]WhereFieldEqual() and find[All]InOrder() method.

Since:

Ms Architecture 1.3

Version:

1.0.0.6

Author:

Kade Hansson, au.gov.tas.dpiwe.mr.tool.NullableMaker

See Also:

Serialized Form

Constructor Summary

NullableLong(long notnullable)
Construct a new NullableLong.

NullableLong(Long nullable)
Construct a new NullableLong.

Method Summary

byte	byteValue()
double	doubleValue()
boolean	equals(Object object1)
float	floatValue()
Number	getNumber() The Long underlying this NullableLong.
int	hashCode()
int	intValue()
boolean	isNull() Returns true if this NullableLong represents the null value.
long	longValue()
short	shortValue()
String	toString()

Methods inherited from class au.gov.tas.dpiwe.mr.util.NullableNumber

compareTo

Methods inherited from class au.gov.tas.dpiwe.mr.util.MrNumber

clone, divide, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getType, getUnit, multiply, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setType, setUnit

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface au.gov.tas.dpiwe.mr.util.TypedNumber

clone, divide, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getType, getUnit, multiply, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setType, setUnit

Constructor Detail

NullableLong

public NullableLong(Long nullable)

Construct a new NullableLong.

Parameters:

nullable - a Long instance or null.

NullableLong

public NullableLong(long notnullable)

Construct a new NullableLong.

Parameters:

notnullable - a long value.

Method Detail

getNumber

public Number getNumber()

The Long underlying this NullableLong.

Specified by:

getNumber in class MrNumber

Returns:

a Long instance or null.

isNull

public boolean isNull()

Returns true if this NullableLong represents the null value.

Returns:

true if this NullableLong represents the null value, false otherwise.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object1)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

Returns:

"null" if this object represents a null, otherwise a string representation of the underlying Long.

byteValue

public byte byteValue()
               throws RuntimeException

Overrides:

byteValue in class Number

Throws:

RuntimeException

shortValue

public short shortValue()
                 throws RuntimeException

Overrides:

shortValue in class Number

Throws:

RuntimeException

intValue

public int intValue()
             throws RuntimeException

Specified by:

intValue in class Number

Throws:

RuntimeException

longValue

public long longValue()
               throws RuntimeException

Specified by:

longValue in class Number

Throws:

RuntimeException

floatValue

public float floatValue()
                 throws RuntimeException

Specified by:

floatValue in class Number

Throws:

RuntimeException

doubleValue

public double doubleValue()
                   throws RuntimeException

Specified by:

doubleValue in class Number

Throws:

RuntimeException