nextapp.echoservlet
Interface CacheableService

All Superinterfaces:

Service

All Known Implementing Classes:

AwtImagePeer, CacheableServiceWrapper, ResourceImagePeer, StaticBinary, StaticText, StreamImagePeer

public interface CacheableService

extends Service

An interface implemented by services that may be cached for a period of time by the client browser. If a service desires to be cacheable for the entire browser session, it should always return a constant value from its getVersion() method.

Method Summary

int	getVersion() Returns the version of the service to be retrieved.

Methods inherited from interface nextapp.echoservlet.Service

getId, service

Method Detail

getVersion

public int getVersion()

Returns the version of the service to be retrieved. When a service is requested with an updated version number, a non-cached copy will be used. getVersion() should return distinct values whenever the service's content may have changed.

Returns:

The current version number of the service.