org.apache.ambari.server.checks

Class PreviousUpgradeCompleted

java.lang.Object

org.apache.ambari.server.checks.ClusterCheck

org.apache.ambari.server.checks.PreviousUpgradeCompleted

All Implemented Interfaces:

org.apache.ambari.spi.upgrade.UpgradeCheck

public class PreviousUpgradeCompleted
extends ClusterCheck

The PreviousUpgradeCompleted class is used to determine if there is a prior upgrade or downgrade which has not completed. If the most recent upgrade/downgrade is in a non-completed state, then this check will fail.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ERROR_MESSAGE The message displayed as part of this pre-upgrade check.

Fields inherited from class org.apache.ambari.server.checks.ClusterCheck

clustersProvider

Constructor Summary

Constructors

Constructor and Description
PreviousUpgradeCompleted() Constructor.

Method Summary

Modifier and Type	Method and Description
org.apache.ambari.spi.upgrade.UpgradeCheckResult	perform(org.apache.ambari.spi.upgrade.UpgradeCheckRequest request)

Methods inherited from class org.apache.ambari.server.checks.ClusterCheck

formatEntityList, getApplicableServices, getCheckDescription, getDescription, getFailReason, getFailReason, getProperty, getQualifications

Methods inherited from class java.lang.Object

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

Field Detail

ERROR_MESSAGE

public static final String ERROR_MESSAGE

The message displayed as part of this pre-upgrade check.

See Also:

Constant Field Values

Constructor Detail

PreviousUpgradeCompleted

public PreviousUpgradeCompleted()

Constructor.

Method Detail

perform

public org.apache.ambari.spi.upgrade.UpgradeCheckResult perform(org.apache.ambari.spi.upgrade.UpgradeCheckRequest request)
                                                         throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException