org.nuxeo.runtime.migration

Interface MigrationService.Migrator

All Known Implementing Classes:

AbstractRepositoryMigrator, CommentsMigrator, MigrationServiceImpl.InvalidatorMigrator, TagsMigrator, TrashedStateMigrator

Enclosing interface:

MigrationService

public static interface MigrationService.Migrator

Interface for the implementation of a migrator.

Since:

9.3

Method Summary

Modifier and Type	Method and Description
void	notifyStatusChange() Allows notification of status change for a running step or new state.
default String	probeState() Probes the current state of a migration by analyzing persistent data.
void	run(String step, MigrationService.MigrationContext migrationContext) Runs a migration step.

Method Detail

probeState

default String probeState()

Probes the current state of a migration by analyzing persistent data.

Assumes no migration step is currently running.

THIS METHOD MAY TAKE A WHILE as it needs to get information from persistent storage.

Returns:

the probed state, or null if it cannot be determined

Since:

10.3

run

void run(String step,
         MigrationService.MigrationContext migrationContext)

Runs a migration step.

This method should periodically check for MigrationService.MigrationContext.isShutdownRequested() and Thread.isInterrupted() and return if true.

Parameters:

step - the migration step to run

migrationContext - the migration context.

notifyStatusChange

void notifyStatusChange()

Allows notification of status change for a running step or new state.

Since:

10.3