org.apache.oozie.action.email
Class EmailActionExecutor

java.lang.Object
  org.apache.oozie.action.ActionExecutor
      org.apache.oozie.action.email.EmailActionExecutor

public class EmailActionExecutor
extends ActionExecutor

Email action executor. It takes to, cc addresses along with a subject and body and sends out an email.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.oozie.action.ActionExecutor

ActionExecutor.Context

Field Summary

Fields inherited from class org.apache.oozie.action.ActionExecutor

CONF_PREFIX, ERROR_OTHER, MAX_RETRIES, requiresNNJT, RETRY_INTERVAL

Constructor Summary

EmailActionExecutor()

Method Summary

void	check(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action) Check if an action has completed.
protected void	email(ActionExecutor.Context context, String[] to, String[] cc, String subject, String body)
void	end(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action) End an action after it has executed.
void	initActionType() Invoked once at system initialization time.
boolean	isCompleted(String externalStatus) Return if the external status indicates that the action has completed.
void	kill(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action) Kill an action.
void	start(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action) Start an action.
protected void	validateAndMail(ActionExecutor.Context context, org.jdom.Element element)

Methods inherited from class org.apache.oozie.action.ActionExecutor

convertException, disableInit, enableInit, getActionDir, getActionDirPath, getActionSignal, getMaxRetries, getOozieConf, getOozieRuntimeDir, getOozieSystemId, getRetryInterval, getType, registerError, resetInitInfo, setMaxRetries, setRetryInterval

Methods inherited from class java.lang.Object

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

Constructor Detail

EmailActionExecutor

public EmailActionExecutor()

Method Detail

initActionType

public void initActionType()

Description copied from class: ActionExecutor

Invoked once at system initialization time.

It can be used to register error information for the expected exceptions. Exceptions should be register from subclasses to superclasses to ensure proper detection, same thing that it is done in a normal catch.

This method should invoke the ActionExecutor.registerError(java.lang.String, org.apache.oozie.action.ActionExecutorException.ErrorType, java.lang.String) method to register all its possible errors.

Subclasses overriding must invoke super.

Overrides:

initActionType in class ActionExecutor

start

public void start(ActionExecutor.Context context,
                  org.apache.oozie.client.WorkflowAction action)
           throws ActionExecutorException

Description copied from class: ActionExecutor

Start an action.

The ActionExecutor.Context.setStartData(java.lang.String, java.lang.String, java.lang.String) method must be called within this method.

If the action has completed, the ActionExecutor.Context.setExecutionData(java.lang.String, java.util.Properties) method must be called within this method.

Specified by:

start in class ActionExecutor

Parameters:

context - executor context.

action - the action to start.

Throws:

ActionExecutorException - thrown if the action could not start.

validateAndMail

protected void validateAndMail(ActionExecutor.Context context,
                               org.jdom.Element element)
                        throws ActionExecutorException

Throws:

ActionExecutorException

email

protected void email(ActionExecutor.Context context,
                     String[] to,
                     String[] cc,
                     String subject,
                     String body)
              throws ActionExecutorException

Throws:

ActionExecutorException

end

public void end(ActionExecutor.Context context,
                org.apache.oozie.client.WorkflowAction action)
         throws ActionExecutorException

Description copied from class: ActionExecutor

End an action after it has executed.

The ActionExecutor.Context.setEndData(org.apache.oozie.client.WorkflowAction.Status, java.lang.String) method must be called within this method.

Specified by:

end in class ActionExecutor

Parameters:

context - executor context.

action - the action to end.

Throws:

ActionExecutorException - thrown if the action could not end.

check

public void check(ActionExecutor.Context context,
                  org.apache.oozie.client.WorkflowAction action)
           throws ActionExecutorException

Description copied from class: ActionExecutor

Check if an action has completed. This method must be implemented by Async Action Executors.

If the action has completed, the ActionExecutor.Context.setExecutionData(java.lang.String, java.util.Properties) method must be called within this method.

If the action has not completed, the ActionExecutor.Context.setExternalStatus(java.lang.String) method must be called within this method.

Specified by:

check in class ActionExecutor

Parameters:

context - executor context.

action - the action to end.

Throws:

ActionExecutorException - thrown if the action could not be checked.

kill

public void kill(ActionExecutor.Context context,
                 org.apache.oozie.client.WorkflowAction action)
          throws ActionExecutorException

Description copied from class: ActionExecutor

Kill an action.

The ActionExecutor.Context.setEndData(org.apache.oozie.client.WorkflowAction.Status, java.lang.String) method must be called within this method.

Specified by:

kill in class ActionExecutor

Parameters:

context - executor context.

action - the action to kill.

Throws:

ActionExecutorException - thrown if the action could not be killed.

isCompleted

public boolean isCompleted(String externalStatus)

Description copied from class: ActionExecutor

Return if the external status indicates that the action has completed.

Specified by:

isCompleted in class ActionExecutor

Parameters:

externalStatus - external status to check.

Returns:

if the external status indicates that the action has completed.