com.poscoict.glueframework.cache.remote

Class GlueCacheClearServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.poscoict.glueframework.cache.remote.GlueCacheClearServlet

All Implemented Interfaces:

GlueCacheEventReceiver, Serializable, Servlet, ServletConfig

public class GlueCacheClearServlet
extends HttpServlet
implements GlueCacheEventReceiver

GlueCacheClearServlet[CacheEventReceiver]는 cache event를 수신하여, cacheManager의 cache data를 삭제하는 Servlet이다.

 web.xml 파일 내용
 <servlet>
     <servlet-name>cache</servlet-name>
     <servlet-class>com.poscoict.glueframework.cache.remote.GlueCacheClearServlet</servlet-class>
     <init-param>
         <param-name>UD_SC_SUCCESS</param-name>
         <param-value>700</param-value>
     </init-param>
     <init-param>
         <param-name>UD_SC_FAILURE</param-name>
         <param-value>800</param-value>
     </init-param>
     <load-on-startup>2</load-on-startup>
 </servlet>
 <servlet-mapping>
     <servlet-name>cache</servlet-name>
     <url-pattern>*.cache</url-pattern>
 </servlet-mapping>
  
 url & parameter
 http://://cache.remove
    __region_name__, __cache_key__, __requestor__ 로
      com.poscoict.glueframework.cache.remote.GlueCacheEvent 의 생성자값으로 사용함. 
 
 init-param
 GlueCacheClearServlet servlet의 init-param은 다음과 같다. 
 - UD_SC_SUCCESS : HttpResponse 정상 상태코드 정의, default 700 
 - UD_SC_FAILURE : HttpResponse 에러 상태코드 정의, default 800
 

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GlueCacheClearServlet()

Method Summary

Modifier and Type	Method and Description
void	destroy()
protected GlueCacheEventProcessor	getCacheEventProcessor() getter method.
void	init(ServletConfig config)
int	removeCachedObject(String region, String key)
int	removeCachedObject(String region, String[] keys)
protected void	service(HttpServletRequest request, HttpServletResponse response)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GlueCacheClearServlet

public GlueCacheClearServlet()

Method Detail

getCacheEventProcessor

protected GlueCacheEventProcessor getCacheEventProcessor()

getter method.

Returns:

GlueCacheEventProcessor

init

public void init(ServletConfig config)
          throws ServletException

Specified by:

init in interface Servlet

Overrides:

init in class GenericServlet

Throws:

ServletException

service

protected void service(HttpServletRequest request,
                       HttpServletResponse response)
                throws ServletException,
                       IOException

Overrides:

service in class HttpServlet

Throws:

ServletException

IOException

destroy

public void destroy()

Specified by:

destroy in interface Servlet

Overrides:

destroy in class GenericServlet

removeCachedObject

public int removeCachedObject(String region,
                              String key)

Specified by:

removeCachedObject in interface GlueCacheEventReceiver

removeCachedObject

public int removeCachedObject(String region,
                              String[] keys)

Specified by:

removeCachedObject in interface GlueCacheEventReceiver