org.apache.ignite.maintenance

Interface MaintenanceAction<T>

public interface MaintenanceAction<T>

Maintenance action interface enables user to execute operations related to a particular MaintenanceTask. These operations may resolve maintenance situation (e.g. remove corrupted data files), get information about other ongoing maintenance action (e.g. if some action requires a lot of time and user wants to know current progress of the action) or cancel other ongoing action. List of maintenance actions available for each task is defined by MaintenanceWorkflowCallback. MaintenanceRegistry provides an access to maintenance actions for a MaintenanceTask with call MaintenanceRegistry.actionsForMaintenanceTask(String)

Method Summary

Modifier and Type	Method and Description
@Nullable String	description() Optional user-readable description of maintenance action.
T	execute() Executes operations of current maintenance action and returns results.
@NotNull String	name() Mandatory human-readable name of maintenance action.

Method Detail

execute

T execute()

Executes operations of current maintenance action and returns results.

name

@NotNull
@NotNull String name()

Mandatory human-readable name of maintenance action. All actions of single MaintenanceWorkflowCallback should have unique names.

description

@Nullable
@Nullable String description()

Optional user-readable description of maintenance action.