voldemort.server.http.gui
Class ReadOnlyStoreManagementServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          voldemort.server.http.gui.ReadOnlyStoreManagementServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ReadOnlyStoreManagementServlet
extends javax.servlet.http.HttpServlet

A servlet that supports both manual or programatic operations on read only stores. The operations are

1. FETCH. Fetch the given files to the local node. Parameters: operation="fetch", dir=[data-directory], store=[name-of-store], pushVersion=[version-of-push]
2. SWAP. Swap the data directory atomically. Parameters: operation="swap", store=[name-of-store]
3. ROLLBACK. Rollback the store to previous push version. Parameters: operation="rollback", store=[name-of-store], pushVersion=[version-of-push-to-rollback-to]

See Also:

Serialized Form

Constructor Summary

ReadOnlyStoreManagementServlet()

ReadOnlyStoreManagementServlet(VoldemortServer server, VelocityEngine engine)

Method Summary

void	doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
void	doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
void	init(javax.servlet.ServletConfig config)
void	initMetadataStore(VoldemortServer server)
void	initStores(VoldemortServer server)
void	initVelocity(javax.servlet.ServletConfig config)

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

destroy, 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

ReadOnlyStoreManagementServlet

public ReadOnlyStoreManagementServlet()

ReadOnlyStoreManagementServlet

public ReadOnlyStoreManagementServlet(VoldemortServer server,
                                      VelocityEngine engine)

Method Detail

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

initMetadataStore

public void initMetadataStore(VoldemortServer server)

initStores

public void initStores(VoldemortServer server)

initVelocity

public void initVelocity(javax.servlet.ServletConfig config)

doGet

public void doGet(javax.servlet.http.HttpServletRequest req,
                  javax.servlet.http.HttpServletResponse resp)
           throws javax.servlet.ServletException,
                  java.io.IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException

doPost

public void doPost(javax.servlet.http.HttpServletRequest req,
                   javax.servlet.http.HttpServletResponse resp)
            throws javax.servlet.ServletException,
                   java.io.IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException