org.apache.ambari.server.stageplanner

Class RoleGraph

java.lang.Object

org.apache.ambari.server.stageplanner.RoleGraph

public class RoleGraph
extends Object

Constructor Summary

Constructors

Constructor and Description
RoleGraph(RoleCommandOrder rd)

Method Summary

Modifier and Type	Method and Description
void	build(Stage stage) Given a stage builds a DAG of all execution commands within the stage.
List<Stage>	getStages() Returns a list of stages that need to be executed one after another to execute the DAG generated in the last build(Stage) call.
String	stringifyGraph()

Methods inherited from class java.lang.Object

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

Constructor Detail

RoleGraph

public RoleGraph(RoleCommandOrder rd)

Method Detail

build

public void build(Stage stage)

Given a stage builds a DAG of all execution commands within the stage.

getStages

public List<Stage> getStages()

Returns a list of stages that need to be executed one after another to execute the DAG generated in the last build(Stage) call.

stringifyGraph

public String stringifyGraph()