com.pervasive.datarush.util

Class GUID

java.lang.Object

com.pervasive.datarush.util.GUID

All Implemented Interfaces:

Serializable

public final class GUID
extends Object
implements Serializable

A globally unique identifier. Every identifier is distinct from all other identifiers.

The implementation is built using VMID and has the same constraints as described in the Javadoc for that class.

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
static GUID	next() Generates a new unique identifier.
static GUID	parse(String str) Creates a new identifier from a string.
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

parse

public static GUID parse(String str)

Creates a new identifier from a string.

This method can be used to produce multiple objects with the same ID, violating uniqueness. It is intended to be used for testing purposes only in cases where the same ID is required every time.

Parameters:

str - the identifier to use

Returns:

a new identifier

next

public static GUID next()

Generates a new unique identifier. Identifiers are generated using VMID and therefore follow the same constraints enumerated within the Javadoc for that class.

Returns:

a new unique identifier