org.apache.hadoop.yarn.applications.distributedshell

Class PlacementSpec

java.lang.Object

org.apache.hadoop.yarn.applications.distributedshell.PlacementSpec

public class PlacementSpec
extends Object

Class encapsulating a SourceTag, number of container and a Placement Constraint.

Field Summary

Fields

Modifier and Type	Field and Description
org.apache.hadoop.yarn.api.resource.PlacementConstraint	constraint
int	numContainers
String	sourceTag

Constructor Summary

Constructors

Constructor and Description
PlacementSpec(String sourceTag, int numContainers, org.apache.hadoop.yarn.api.resource.PlacementConstraint constraint)

Method Summary

Modifier and Type	Method and Description
static Map<String,PlacementSpec>	parse(String specs) Parser to convert a string representation of a placement spec to mapping from source tag to Placement Constraint.

Methods inherited from class java.lang.Object

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

Field Detail

sourceTag

public final String sourceTag

numContainers

public final int numContainers

constraint

public final org.apache.hadoop.yarn.api.resource.PlacementConstraint constraint

Constructor Detail

PlacementSpec

public PlacementSpec(String sourceTag,
                     int numContainers,
                     org.apache.hadoop.yarn.api.resource.PlacementConstraint constraint)

Method Detail

parse

public static Map<String,PlacementSpec> parse(String specs)
                                       throws IllegalArgumentException

Parser to convert a string representation of a placement spec to mapping from source tag to Placement Constraint.

Parameters:

specs - Placement spec.

Returns:

Mapping from source tag to placement constraint.

Throws:

IllegalArgumentException