com.versionone

Class DB.NullObject

java.lang.Object

com.versionone.DB

com.versionone.DB.NullObject

Enclosing class:

DB

public static class DB.NullObject
extends DB

Represents a NULL DB object

Author:

jerry

Nested Class Summary

Nested classes/interfaces inherited from class com.versionone.DB

DB.BigInt, DB.Bit, DB.DateTime, DB.Int, DB.NullObject, DB.Real, DB.Str

Field Summary

Fields inherited from class com.versionone.DB

Null

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj) Return true if the object is null, the object is an instance of NullObject or if the other object is a DB, then true if the other object is null.
Object	getValue() Returns null
int	hashCode() returns 0
String	toString() returns the empty string

Methods inherited from class com.versionone.DB

isNull

Methods inherited from class java.lang.Object

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

Method Detail

equals

public boolean equals(Object obj)

Return true if the object is null, the object is an instance of NullObject or if the other object is a DB, then true if the other object is null.

Specified by:

equals in class DB

getValue

public Object getValue()

Returns null

Specified by:

getValue in class DB

Returns:

hashCode

public int hashCode()

returns 0

Overrides:

hashCode in class DB

toString

public String toString()

returns the empty string

Overrides:

toString in class DB