com.jcorporate.expresso.ext.controller
Class HealthCheck

java.lang.Object
  org.apache.struts.action.Action
      com.jcorporate.expresso.core.controller.Controller
          com.jcorporate.expresso.core.controller.DBController
              com.jcorporate.expresso.ext.controller.HealthCheck

All Implemented Interfaces:

Serializable

public class HealthCheck

extends DBController

HealthCheck is a stand-alone application that is intended to be called periodically by a scheduler to make sure that all components of the system are operational. It checks that access is still available to all appropriate resources & attempts to notify operations if there is a problem by several means.

Author:

Michael Nash

See Also:

Serialized Form

Field Summary

Fields inherited from class com.jcorporate.expresso.core.controller.Controller

CONTROLLER_PARAM_KEY, CTL_SUCC_CTL, CTL_SUCC_STATE, CTL_SUCC_TRAN, mLog, NEWSTATE_EXCEPTION_KEY, ORIGINAL_URL_KEY, REQUEST_KEY, RESPONSE_KEY, RETURN_TO_SENDER_TRAN, STATE_ERR_CTL, STATE_ERR_STATE, STATE_ERR_TRAN, STATE_PARAM_KEY, STATE_SUCC_CTL, STATE_SUCC_STATE, STATE_SUCC_TRAN

Fields inherited from class org.apache.struts.action.Action

ACTION_SERVLET_KEY, APPLICATION_KEY, DATA_SOURCE_KEY, defaultLocale, ERROR_KEY, EXCEPTION_KEY, FORM_BEANS_KEY, FORWARDS_KEY, LOCALE_KEY, MAPPING_KEY, MAPPINGS_KEY, MESSAGE_KEY, MESSAGES_KEY, MULTIPART_KEY, PLUG_INS_KEY, REQUEST_PROCESSOR_KEY, servlet, SERVLET_KEY, TRANSACTION_TOKEN_KEY

Constructor Summary

HealthCheck()

Method Summary

String	getTitle() Return the title of this Controller
ControllerResponse	newState(String newState, ControllerRequest params) Transition to a new state

Methods inherited from class com.jcorporate.expresso.core.controller.DBController

getString, isAllowed, stateAllowed

Methods inherited from class com.jcorporate.expresso.core.controller.Controller

addFinalState, addPromptTransitions, addRegDomainParamtoSession, addRequestedURLtoSession, addState, addStatePairing, endTimer, execute, findControllerForm, generateToken, getActionForward, getControllerChainingTransition, getControllerSecurityTransition, getFinalState, getInitialState, getLogger, getParamValues, getRequestURL, getSchema, getSchemaHierarchy, getSchemaInstance, getSchemaStack, getState, getStates, getString, getString, handleException, instantiate, isFinalState, isHandleState, isPromptState, isTokenValid, loadStateForm, nextHandleState, nextPromptState, populateStateForm, postPerform, prePerform, previousPromptState, processRequestTransitions, processTransitions, redirectRequest, redirectRequest, remapFromExtension, resetToken, saveToken, setControllerChainingTransition, setControllerSecurityTransition, setCurrentState, setInitialState, setSchema, setSchema, setupDefaultValues, setupReturnToSender, setupSubclassLog, transition, transition, transition, unloadStateForm

Methods inherited from class org.apache.struts.action.Action

execute, generateToken, getDataSource, getDataSource, getLocale, getResources, getResources, getResources, getServlet, isCancelled, isTokenValid, isTokenValid, perform, perform, resetToken, saveErrors, saveMessages, saveToken, setLocale, setServlet, toHex

Methods inherited from class java.lang.Object

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

Constructor Detail

HealthCheck

public HealthCheck()

Method Detail

newState

public ControllerResponse newState(String newState,
                                   ControllerRequest params)
                            throws ControllerException,
                                   NonHandleableException

Transition to a new state

Overrides:

newState in class Controller

Parameters:

newState - The new state to transition into

params - The calling controllerRequest object.

Returns:

a newly instantiated ControllerResponse for this state.

Throws:

ControllerException - on Error

NonHandleableException - if the error should not be handled by an error controller

getTitle

public String getTitle()

Description copied from class: Controller

Return the title of this Controller

Overrides:

getTitle in class Controller

Returns:

java.lang.String The Title of the controller