org.apache.ambari.server.stack

Class ExtensionHelper

java.lang.Object

org.apache.ambari.server.stack.ExtensionHelper

public class ExtensionHelper
extends Object

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.

Constructor Summary

Constructors

Constructor and Description
ExtensionHelper()

Method Summary

Modifier and Type	Method and Description
static void	validateCreateLink(StackManager stackManager, StackInfo stack, ExtensionInfo extension)
static void	validateDeleteLink(Clusters clusters, StackInfo stack, ExtensionInfo extension)
static void	validateUpdateLink(StackManager stackManager, StackInfo stack, ExtensionInfo oldExtension, ExtensionInfo newExtension)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionHelper

public ExtensionHelper()

Method Detail

validateDeleteLink

public static void validateDeleteLink(Clusters clusters,
                                      StackInfo stack,
                                      ExtensionInfo extension)
                               throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException

validateCreateLink

public static void validateCreateLink(StackManager stackManager,
                                      StackInfo stack,
                                      ExtensionInfo extension)
                               throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException

validateUpdateLink

public static void validateUpdateLink(StackManager stackManager,
                                      StackInfo stack,
                                      ExtensionInfo oldExtension,
                                      ExtensionInfo newExtension)
                               throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException