com.atlassian.confluence.upgrade.impl
Class DefaultUpgradeManager

java.lang.Object
  com.atlassian.upgrade.AbstractUpgradeManager
      com.atlassian.confluence.upgrade.impl.DefaultUpgradeManager

All Implemented Interfaces:

UpgradeManager

public class DefaultUpgradeManager
extends AbstractUpgradeManager

Field Summary

static String	CLUSTER_UPGRADE_LOCK
static org.apache.log4j.Category	log

Fields inherited from class com.atlassian.upgrade.AbstractUpgradeManager

buildNumberComp

Constructor Summary

DefaultUpgradeManager()

Method Summary

protected String	getDatabaseBuildNumber()
protected String	getRealBuildNumber()
boolean	isUpgradeAllowed()
protected boolean	permitDatabaseUpgrades() If we are in a clustered setup, only one node should be allowed to perform upgrades that affect the database.
protected void	postUpgrade()
void	setCacheManager(CacheManager cacheManager)
void	setClusterManager(ClusterManager clusterManager)
protected void	setDatabaseBuildNumber(String databaseBuildNumber)
void	setEventManager(EventManager eventManager)
void	setVersionHistoryDao(VersionHistoryDao versionHistoryDao)
void	upgrade(JohnsonEventContainer johnson)

Methods inherited from class com.atlassian.upgrade.AbstractUpgradeManager

doUpgrade, getConfiguredBuildNumber, getErrors, getSchemaUpgradeTasks, getUpgradeTasks, needUpgrade, setApplicationConfig, setConfiguredBuildNumber, setPreSchemaUpgradeTasks, setSchemaHelper, setSchemaUpgradeTasks, setUpgradeTasks, upgradeFinished, upgradeSchema, upgradeStarted, upgradeTaskFailed, upgradeTaskSucceeded

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.apache.log4j.Category log

CLUSTER_UPGRADE_LOCK

public static final String CLUSTER_UPGRADE_LOCK

See Also:

Constant Field Values

Constructor Detail

DefaultUpgradeManager

public DefaultUpgradeManager()

Method Detail

getRealBuildNumber

protected String getRealBuildNumber()

Specified by:

getRealBuildNumber in class AbstractUpgradeManager

getDatabaseBuildNumber

protected String getDatabaseBuildNumber()

Specified by:

getDatabaseBuildNumber in class AbstractUpgradeManager

isUpgradeAllowed

public boolean isUpgradeAllowed()

Overrides:

isUpgradeAllowed in class AbstractUpgradeManager

upgrade

public void upgrade(JohnsonEventContainer johnson)
             throws UpgradeException

Specified by:

upgrade in interface UpgradeManager

Overrides:

upgrade in class AbstractUpgradeManager

Throws:

UpgradeException

setDatabaseBuildNumber

protected void setDatabaseBuildNumber(String databaseBuildNumber)
                               throws Exception

Specified by:

setDatabaseBuildNumber in class AbstractUpgradeManager

Throws:

Exception

postUpgrade

protected void postUpgrade()

Overrides:

postUpgrade in class AbstractUpgradeManager

permitDatabaseUpgrades

protected boolean permitDatabaseUpgrades()
                                  throws UpgradeException

If we are in a clustered setup, only one node should be allowed to perform upgrades that affect the database. To enforce this, nodes will need to:

• successfully acquire the cluster upgrade lock AND
• successfully tag the build in the CONFVERSION table (this is a backup check, to help us detect rare cases where some cluster nodes are not communicating - producing multiple clusters)

If the upgrade process fails before all database upgrade tasks are complete, and the user ignores those errors and restarts the server, the existing tag on the CONFVERSION table will prevent the upgrade

Overrides:

permitDatabaseUpgrades in class AbstractUpgradeManager

Throws:

UpgradeException

setCacheManager

public void setCacheManager(CacheManager cacheManager)

setEventManager

public void setEventManager(EventManager eventManager)

setVersionHistoryDao

public void setVersionHistoryDao(VersionHistoryDao versionHistoryDao)

setClusterManager

public void setClusterManager(ClusterManager clusterManager)