com.atlassian.confluence.upgrade.upgradetask
Class ContentPermissionUserDeduplicationUpgradeTask

java.lang.Object
  extended by com.atlassian.confluence.upgrade.AbstractUpgradeTask
      extended by com.atlassian.confluence.upgrade.upgradetask.ContentPermissionUserDeduplicationUpgradeTask
All Implemented Interfaces:
BackupSupport, DatabaseUpgradeTask, UpgradeTask, UpgradeTaskInfo, org.springframework.beans.factory.BeanNameAware

public class ContentPermissionUserDeduplicationUpgradeTask
extends AbstractUpgradeTask
implements DatabaseUpgradeTask

This upgrade task finds and deletes any redundant duplicate identifier values in the configured list of tables and columns. It does this by grouping together duplicate identifier values (by lowercasing them), ordering them by a configurable "most recent" sort, and deleting all but the most recent row.

Since:
v5.3

Field Summary
 
Fields inherited from interface com.atlassian.confluence.upgrade.UpgradeTask
log
 
Constructor Summary
ContentPermissionUserDeduplicationUpgradeTask(net.sf.hibernate.SessionFactory sessionFactory)
           
 
Method Summary
 boolean breaksBackwardCompatibility()
          Returns true if a new export can't be imported in an older instance.
 void doUpgrade()
          Perform the upgrade.
 String getBuildNumber()
           
 String getShortDescription()
          A short (<50 chars) description of the upgrade action
 boolean runOnSpaceImport()
          Returns true if an older Space can't be imported in a new instance without running this task.
 
Methods inherited from class com.atlassian.confluence.upgrade.AbstractUpgradeTask
addAllErrors, addError, addError, getConstraint, getErrors, getName, isDatabaseUpgrade, setBeanName, setBuildNumber, validate
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.atlassian.confluence.upgrade.UpgradeTask
getConstraint, getErrors, validate
 
Methods inherited from interface com.atlassian.confluence.upgrade.UpgradeTaskInfo
getName, isDatabaseUpgrade
 

Constructor Detail

ContentPermissionUserDeduplicationUpgradeTask

public ContentPermissionUserDeduplicationUpgradeTask(net.sf.hibernate.SessionFactory sessionFactory)
Method Detail

doUpgrade

public void doUpgrade()
               throws Exception
Description copied from interface: UpgradeTask
Perform the upgrade.

Specified by:
doUpgrade in interface UpgradeTask
Throws:
Exception

runOnSpaceImport

public boolean runOnSpaceImport()
Description copied from interface: BackupSupport
Returns true if an older Space can't be imported in a new instance without running this task. For example:

Note that tasks don't run on space import yet, so we just reject the import in this case.

Specified by:
runOnSpaceImport in interface BackupSupport

breaksBackwardCompatibility

public boolean breaksBackwardCompatibility()
Description copied from interface: BackupSupport
Returns true if a new export can't be imported in an older instance. Breaking compatibility means a snapshot of the new version will not work at all with the previous version. For example: The best way to test is whether a newer export can be imported (with fully working features) in an older instance.

Specified by:
breaksBackwardCompatibility in interface BackupSupport

getBuildNumber

public String getBuildNumber()
Specified by:
getBuildNumber in interface UpgradeTaskInfo
Overrides:
getBuildNumber in class AbstractUpgradeTask
Returns:
The build number that this upgrade is applicable to

getShortDescription

public String getShortDescription()
Description copied from interface: UpgradeTaskInfo
A short (<50 chars) description of the upgrade action

Specified by:
getShortDescription in interface UpgradeTaskInfo
Overrides:
getShortDescription in class AbstractUpgradeTask


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