org.pentaho.platform.api.action
Interface IPreProcessingAction

All Superinterfaces:

IAction

public interface IPreProcessingAction
extends IAction

Allows an Action to do some preliminary work prior to execution. This API also allows an Action to fail early and thereby not actually execute. Typically this is used in combination with IDefinitionAwareAction to verify that the required inputs are provided prior to execution.

Since:

3.6

Author:

aphillips

See Also:

IAction, IDefinitionAwareAction

Method Summary

void	doPreExecution() This method is called on an Action just prior to execution.

Methods inherited from interface org.pentaho.platform.api.action.IAction

execute

Method Detail

doPreExecution

void doPreExecution()
                    throws ActionPreProcessingException

This method is called on an Action just prior to execution. An Action can fail early for any reason here by throwing an exception. If an exception is thrown here, actual execution of the Action will not occur. If you need to do pre-execution validation of inputs, see IDefinitionAwareAction

Throws:

ActionPreProcessingException - if the Action is not able to proceed with execution