com.versionone

Class DB

java.lang.Object

com.versionone.DB

Direct Known Subclasses:

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

public abstract class DB
extends Object

Base class for data types used in the Java SDK. Internal types are wrapped to allow for null values.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DB.BigInt DB type for Long
static class	DB.Bit DB type for Boolean values
static class	DB.DateTime DB Type for Dates
static class	DB.Int DB Class for Integers
static class	DB.NullObject Represents a NULL DB object
static class	DB.Real DB type for Float
static class	DB.Str DB type for Strings

Field Summary

Fields

Modifier and Type	Field and Description
static DB.NullObject	Null

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DB()

Method Summary

Modifier and Type	Method and Description
abstract boolean	equals(Object obj) Compare this object to another and return true if they are equal
abstract Object	getValue() Get the value of the data.
int	hashCode() Return the hashCode for the object
boolean	isNull() Is the value null?
String	toString() return the String representation of this object

Methods inherited from class java.lang.Object

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

Field Detail

Null

public static final DB.NullObject Null

Constructor Detail

DB

protected DB()

Method Detail

getValue

public abstract Object getValue()

Get the value of the data.

Returns:

Object

equals

public abstract boolean equals(Object obj)

Compare this object to another and return true if they are equal

Overrides:

equals in class Object

hashCode

public int hashCode()

Return the hashCode for the object

Overrides:

hashCode in class Object

toString

public String toString()

return the String representation of this object

Overrides:

toString in class Object

isNull

public boolean isNull()

Is the value null?

Returns:

true if the value is null, false otherwise