org.apache.ambari.server.controller

Class AmbariActionExecutionHelper

java.lang.Object

org.apache.ambari.server.controller.AmbariActionExecutionHelper

public class AmbariActionExecutionHelper
extends Object

Helper class containing logic to process custom action execution requests

Constructor Summary

Constructors

Constructor and Description
AmbariActionExecutionHelper()

Method Summary

Modifier and Type	Method and Description
void	addExecutionCommandsToStage(ActionExecutionContext actionContext, Stage stage, Map<String,String> requestParams) Add tasks to the stage based on the requested action execution
void	addExecutionCommandsToStage(ActionExecutionContext actionContext, Stage stage, Map<String,String> requestParams, boolean checkHostIsMemberOfCluster) Add tasks to the stage based on the requested action execution
void	validateAction(ExecuteActionRequest actionRequest) Validates the request to execute an action.

Methods inherited from class java.lang.Object

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

Constructor Detail

AmbariActionExecutionHelper

public AmbariActionExecutionHelper()

Method Detail

validateAction

public void validateAction(ExecuteActionRequest actionRequest)
                    throws org.apache.ambari.server.AmbariException

Validates the request to execute an action.

Parameters:

actionRequest -

Throws:

org.apache.ambari.server.AmbariException

addExecutionCommandsToStage

public void addExecutionCommandsToStage(ActionExecutionContext actionContext,
                                        Stage stage,
                                        Map<String,String> requestParams)
                                 throws org.apache.ambari.server.AmbariException

Add tasks to the stage based on the requested action execution

Parameters:

actionContext - the context associated with the action

stage - stage into which tasks must be inserted

requestParams - all request parameters (may be null)

Throws:

org.apache.ambari.server.AmbariException - if the task can not be added

addExecutionCommandsToStage

public void addExecutionCommandsToStage(ActionExecutionContext actionContext,
                                        Stage stage,
                                        Map<String,String> requestParams,
                                        boolean checkHostIsMemberOfCluster)
                                 throws org.apache.ambari.server.AmbariException

Add tasks to the stage based on the requested action execution

Parameters:

actionContext -

stage -

requestParams -

checkHostIsMemberOfCluster - if true AmbariException will be thrown in case host is not member of cluster.

Throws:

org.apache.ambari.server.AmbariException