org.apache.ambari.server.controller.utilities

Class RemovableIdentities

java.lang.Object

org.apache.ambari.server.controller.utilities.RemovableIdentities

public class RemovableIdentities
extends Object

I represent a group of kerberos identities which are to be deleted after a service or a component was removed. My instances provide methods for removing the candidates, excluding those that are still used by other components or services.

Method Summary

Modifier and Type	Method and Description
static RemovableIdentities	none() Populates the identities with an empty list
static RemovableIdentities	ofComponent(Cluster cluster, ServiceComponentUninstalledEvent event, KerberosHelper kerberosHelper) Populate the identities with the identities of the removed component
static RemovableIdentities	ofService(Cluster cluster, ServiceRemovedEvent event, KerberosHelper kerberosHelper) Populate the identities with the identities of the removed service and its components
void	remove(KerberosHelper kerberosHelper) Remove all identities which are related to the specified set of components and not used by other services or components

Methods inherited from class java.lang.Object

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

Method Detail

ofService

public static RemovableIdentities ofService(Cluster cluster,
                                            ServiceRemovedEvent event,
                                            KerberosHelper kerberosHelper)
                                     throws org.apache.ambari.server.AmbariException

Populate the identities with the identities of the removed service and its components

Throws:

org.apache.ambari.server.AmbariException

ofComponent

public static RemovableIdentities ofComponent(Cluster cluster,
                                              ServiceComponentUninstalledEvent event,
                                              KerberosHelper kerberosHelper)
                                       throws org.apache.ambari.server.AmbariException

Populate the identities with the identities of the removed component

Throws:

org.apache.ambari.server.AmbariException

none

public static RemovableIdentities none()
                                throws org.apache.ambari.server.AmbariException

Populates the identities with an empty list

Throws:

org.apache.ambari.server.AmbariException

remove

public void remove(KerberosHelper kerberosHelper)
            throws org.apache.ambari.server.AmbariException,
                   KerberosOperationException

Remove all identities which are related to the specified set of components and not used by other services or components

Throws:

org.apache.ambari.server.AmbariException

KerberosOperationException