gr.uoa.di.madgik.workflow.adaptor

Class WorkflowHadoopAdaptor

java.lang.Object

gr.uoa.di.madgik.workflow.adaptor.WorkflowHadoopAdaptor

All Implemented Interfaces:

IWorkflowAdaptor

public class WorkflowHadoopAdaptor
extends Object
implements IWorkflowAdaptor

Constructor Summary

Constructors

Constructor and Description
WorkflowHadoopAdaptor()

Method Summary

Methods

Modifier and Type	Method and Description
void	CreatePlan() Based on the provided resources, a call to this method will do all the needed processing and once completed a full execution plan will be created
gr.uoa.di.madgik.execution.plan.ExecutionPlan	GetCreatedPlan() Retrieves the created plan after the successful invocation of the IWorkflowAdaptor.CreatePlan()
Set<IOutputResource>	GetOutput() The retrieved set of output resources contains informations needed as to how to retrieve the outputs of the workflow after the execution of the created plan
void	SetAdaptorResources(IAdaptorResources Resources) Sets the adaptor resources.
void	SetExecutionId(String executionId) Sets the execution id which will be associated with the created plan

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkflowHadoopAdaptor

public WorkflowHadoopAdaptor()

Method Detail

SetAdaptorResources

public void SetAdaptorResources(IAdaptorResources Resources)
                         throws WorkflowValidationException

Description copied from interface: IWorkflowAdaptor

Sets the adaptor resources. These include all the needed inputs that the workflow will need in order to construct the internal execution plan and will be later needed during the execution of this plan.

Specified by:

SetAdaptorResources in interface IWorkflowAdaptor

Parameters:

Resources - the resources needed

Throws:

WorkflowValidationException - Problem with the validity of one of the provided elements

CreatePlan

public void CreatePlan()
                throws WorkflowValidationException,
                       WorkflowSerializationException,
                       WorkflowInternalErrorException,
                       WorkflowEnvironmentException

Description copied from interface: IWorkflowAdaptor

Based on the provided resources, a call to this method will do all the needed processing and once completed a full execution plan will be created

Specified by:

CreatePlan in interface IWorkflowAdaptor

Throws:

WorkflowValidationException - Problem with the validity of one of the provided elements

WorkflowSerializationException - Problem with the serialization of one of the provided elements

WorkflowInternalErrorException - An internal error has occurred

WorkflowEnvironmentException - There was a problem with the environment the Workflow Engine is contained

SetExecutionId

public void SetExecutionId(String executionId)

Description copied from interface: IWorkflowAdaptor

Sets the execution id which will be associated with the created plan

Specified by:

SetExecutionId in interface IWorkflowAdaptor

Parameters:

executionId - The execution id

GetCreatedPlan

public gr.uoa.di.madgik.execution.plan.ExecutionPlan GetCreatedPlan()

Description copied from interface: IWorkflowAdaptor

Retrieves the created plan after the successful invocation of the IWorkflowAdaptor.CreatePlan()

Specified by:

GetCreatedPlan in interface IWorkflowAdaptor

Returns:

the execution plan

GetOutput

public Set<IOutputResource> GetOutput()

Description copied from interface: IWorkflowAdaptor

The retrieved set of output resources contains informations needed as to how to retrieve the outputs of the workflow after the execution of the created plan

Specified by:

GetOutput in interface IWorkflowAdaptor

Returns:

A set of the output resources retrieval information