org.ow2.proactive.scheduler.common.job.factories

Class FlowChecker

java.lang.Object

org.ow2.proactive.scheduler.common.job.factories.FlowChecker

@PublicAPI
public class FlowChecker
extends Object

Static checking utility for TaskFlow Jobs

Checks a TaskFlow is correct against a set of well defined rules, and attempts to hint at the problem when detected.

Since:

ProActive Scheduling 2.2

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FlowChecker.Block Dummy pair class containing two Task
static class	FlowChecker.TaskTree Dummy double linked Task tree structure natural Tasks only have bottom-up links

Method Summary

Modifier and Type	Method and Description
static FlowError	validate(TaskFlowJob job) Checks if the provided Job is valid and can be scheduled.
static FlowError	validate(TaskFlowJob job, List<FlowChecker.Block> blocks) Checks if the provided Job is valid and can be scheduled.

Methods inherited from class java.lang.Object

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

Method Detail

validate

public static FlowError validate(TaskFlowJob job)

Checks if the provided Job is valid and can be scheduled.

A call to this method should have no side-effect on the provided job, nor the tasks contained.

Parameters:

job - the job to validate

Returns:

a FlowError if the Job is not valid, or null if it is valid.

validate

public static FlowError validate(TaskFlowJob job,
                                 List<FlowChecker.Block> blocks)

Checks if the provided Job is valid and can be scheduled.

A call to this method should have no side-effect on the provided job, nor the tasks contained.

Parameters:

job - the job to validate

blocks - empty list that will be filled by this method with the validated task blocks (pair of tasks) detected by the validator

Returns:

a FlowError if the Job is not valid, or null if it is valid.