org.apache.ambari.server.controller

Class AmbariManagementHelper

java.lang.Object

org.apache.ambari.server.controller.AmbariManagementHelper

public class AmbariManagementHelper
extends Object

Constructor Summary

Constructors

Constructor and Description
AmbariManagementHelper(StackDAO stackDAO, ExtensionDAO extensionDAO, ExtensionLinkDAO linkDAO)

Method Summary

Modifier and Type	Method and Description
void	createExtensionLink(StackManager stackManager, StackInfo stackInfo, ExtensionInfo extensionInfo) This method will create a link between an extension version and a stack version (Extension Link).
void	createExtensionLinks(StackManager stackManager, List<ExtensionInfo> extensions) This method will create a link between an extension version and a stack version (Extension Link).
void	updateExtensionLink(StackManager stackManager, ExtensionLinkEntity linkEntity, StackInfo stackInfo, ExtensionInfo oldExtensionInfo, ExtensionInfo newExtensionInfo) Updates the extension version of the currently linked extension to the stack version

Methods inherited from class java.lang.Object

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

Constructor Detail

AmbariManagementHelper

@Inject
public AmbariManagementHelper(StackDAO stackDAO,
                                      ExtensionDAO extensionDAO,
                                      ExtensionLinkDAO linkDAO)

Method Detail

createExtensionLink

public void createExtensionLink(StackManager stackManager,
                                StackInfo stackInfo,
                                ExtensionInfo extensionInfo)
                         throws org.apache.ambari.server.AmbariException

This method will create a link between an extension version and a stack version (Extension Link). An extension version is like a stack version but it contains custom services. Linking an extension version to the current stack version allows the cluster to install the custom services contained in the extension version.

Throws:

org.apache.ambari.server.AmbariException

createExtensionLinks

public void createExtensionLinks(StackManager stackManager,
                                 List<ExtensionInfo> extensions)
                          throws org.apache.ambari.server.AmbariException

This method will create a link between an extension version and a stack version (Extension Link). An extension version is like a stack version but it contains custom services. Linking an extension version to the current stack version allows the cluster to install the custom services contained in the extension version.

Throws:

org.apache.ambari.server.AmbariException

updateExtensionLink

public void updateExtensionLink(StackManager stackManager,
                                ExtensionLinkEntity linkEntity,
                                StackInfo stackInfo,
                                ExtensionInfo oldExtensionInfo,
                                ExtensionInfo newExtensionInfo)
                         throws org.apache.ambari.server.AmbariException

Updates the extension version of the currently linked extension to the stack version

Throws:

org.apache.ambari.server.AmbariException