org.apache.ambari.server.serveraction.upgrades

Class AbstractUpgradeServerAction

java.lang.Object

org.apache.ambari.server.serveraction.AbstractServerAction

org.apache.ambari.server.serveraction.upgrades.AbstractUpgradeServerAction

All Implemented Interfaces:

ServerAction

Direct Known Subclasses:

AddComponentAction, AutoSkipFailedSummaryAction, ConfigureAction, DeleteUnsupportedServicesAndComponents, FinalizeUpgradeAction, KerberosKeytabsAction, ManualStageAction, PluginUpgradeServerAction, PreconfigureKerberosAction, UpdateDesiredRepositoryAction, UpgradeUserKerberosDescriptor, YarnNodeManagerCapacityCalculation

public abstract class AbstractUpgradeServerAction
extends AbstractServerAction

Abstract class that reads values from command params in a consistent way.

Field Summary

Fields

Modifier and Type	Field and Description
protected AgentConfigsHolder	agentConfigsHolder Used for updating push data to the agents.
protected AmbariManagementController	m_amc Who knows what this is used for or why it even exists.
protected Clusters	m_clusters
protected ConfigHelper	m_configHelper Used for manipulting configurations, such as removing entire types and creating new ones.
protected com.google.inject.Provider<AmbariMetaInfo>	m_metainfoProvider Used for getting references to objects like StackInfo.
protected UpgradeDAO	m_upgradeDAO Used to lookup or update UpgradeEntity instances.
protected UpgradeHelper	m_upgradeHelper Used to move desired repo versions forward.

Fields inherited from class org.apache.ambari.server.serveraction.AbstractServerAction

actionLog, gson

Fields inherited from interface org.apache.ambari.server.serveraction.ServerAction

ACTION_NAME, ACTION_USER_NAME, DEFAULT_LONG_RUNNING_TASK_TIMEOUT_SECONDS, WRAPPED_CLASS_NAME

Constructor Summary

Constructors

Constructor and Description
AbstractUpgradeServerAction()

Method Summary

Modifier and Type	Method and Description
Clusters	getClusters()
protected com.google.gson.Gson	getGson() Gets the injected instance of the Gson serializer/deserializer.
protected UpgradeContext	getUpgradeContext(Cluster cluster) Gets an initialized UpgradeContext for the in-progress upgrade.

Methods inherited from class org.apache.ambari.server.serveraction.AbstractServerAction

auditLog, createCommandReport, createCompletedCommandReport, getCommandParameters, getCommandParameterValue, getExecutionCommand, getHostRoleCommand, setExecutionCommand, setHostRoleCommand

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ambari.server.serveraction.ServerAction

execute

Field Detail

m_clusters

@Inject
protected Clusters m_clusters

m_upgradeHelper

@Inject
protected UpgradeHelper m_upgradeHelper

Used to move desired repo versions forward.

m_upgradeDAO

@Inject
protected UpgradeDAO m_upgradeDAO

Used to lookup or update UpgradeEntity instances.

agentConfigsHolder

@Inject
protected AgentConfigsHolder agentConfigsHolder

Used for updating push data to the agents.

m_metainfoProvider

@Inject
protected com.google.inject.Provider<AmbariMetaInfo> m_metainfoProvider

Used for getting references to objects like StackInfo.

m_configHelper

@Inject
protected ConfigHelper m_configHelper

Used for manipulting configurations, such as removing entire types and creating new ones.

m_amc

@Inject
protected AmbariManagementController m_amc

Who knows what this is used for or why it even exists.

Constructor Detail

AbstractUpgradeServerAction

public AbstractUpgradeServerAction()

Method Detail

getClusters

public Clusters getClusters()

getGson

protected com.google.gson.Gson getGson()

Gets the injected instance of the Gson serializer/deserializer.

Returns:

the injected Gson instance.

getUpgradeContext

protected UpgradeContext getUpgradeContext(Cluster cluster)

Gets an initialized UpgradeContext for the in-progress upgrade.