org.apache.slider.providers

Class ProviderRole

java.lang.Object

org.apache.slider.providers.ProviderRole

public final class ProviderRole
extends Object

Provider role and key for use in app requests. This class uses the role name as the key for hashes and in equality tests, and ignores the other values.

Field Summary

Fields

Modifier and Type	Field and Description
int	id
String	labelExpression
String	name
int	nodeFailureThreshold
int	placementPolicy
long	placementTimeoutSeconds

Constructor Summary

Constructors

Constructor and Description
ProviderRole(String name, int id)
ProviderRole(String name, int id, int policy, int nodeFailureThreshold, long placementTimeoutSeconds, String labelExpression) Create a provider role

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

name

public final String name

id

public final int id

placementPolicy

public int placementPolicy

nodeFailureThreshold

public int nodeFailureThreshold

placementTimeoutSeconds

public final long placementTimeoutSeconds

labelExpression

public final String labelExpression

Constructor Detail

ProviderRole

public ProviderRole(String name,
            int id)

ProviderRole

public ProviderRole(String name,
            int id,
            int policy,
            int nodeFailureThreshold,
            long placementTimeoutSeconds,
            String labelExpression)

Create a provider role

Parameters:

name - role/component name

id - ID. This becomes the YARN priority

policy - placement policy

nodeFailureThreshold - threshold for node failures (within a reset interval) after which a node failure is considered an app failure

placementTimeoutSeconds - for lax placement, timeout in seconds before

labelExpression - label expression for requests; may be null

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object