org.apache.turbine.services.uniqueid
Interface UniqueIdService

All Superinterfaces:

Initable, Service

All Known Implementing Classes:

TurbineUniqueIdService

public interface UniqueIdService

extends Service

This service provides unique identifiers for the instance of Turbine, and for objects it creates.

Version:

$Id: UniqueIdService.java 534527 2007-05-02 16:10:59Z tv $

Author:

Rafal Krzewski

Field Summary

static java.lang.String

SERVICE_NAME

Method Summary

java.lang.String	getInstanceId() Returs an identifer of this Turbine instance that is unique both on the server and worldwide.
java.lang.String	getPseudorandomId() Returns a unique identifier that looks like random data.
java.lang.String	getUniqueId() Returns an identifier that is unique within this turbine instance, but does not have random-like apearance.

Methods inherited from interface org.apache.turbine.services.Service

getConfiguration, getName, getProperties, setName, setServiceBroker

Methods inherited from interface org.apache.turbine.services.Initable

getInit, init, init, setInitableBroker, shutdown

Field Detail

SERVICE_NAME

public static final java.lang.String SERVICE_NAME

See Also:

Constant Field Values

Method Detail

getInstanceId

public java.lang.String getInstanceId()

Returs an identifer of this Turbine instance that is unique both on the server and worldwide.

Returns:

A String with the instance identifier.

getUniqueId

public java.lang.String getUniqueId()

Returns an identifier that is unique within this turbine instance, but does not have random-like apearance.

This method is intended to work fast; it can be used for creating names of temporary files.

Returns:

A String with the non-random looking instance identifier.

getPseudorandomId

public java.lang.String getPseudorandomId()

Returns a unique identifier that looks like random data.

This method provides indentifiers in a way that makes it hard to guess or count, but still ensures their uniqueness within this instance of Turbine. It can be used for generating cookies or other data that travels back and forth between server and browser, and is potentialy security sensitive.

Returns:

A String with the random looking instance identifier.