org.apache.ignite.internal.maintenance

Class MaintenanceFileStore

java.lang.Object

org.apache.ignite.internal.maintenance.MaintenanceFileStore

public class MaintenanceFileStore
extends Object

Provides API for durable storage of MaintenanceTasks and hides implementation details from higher levels. Human-readable storage format is rigid but simple.

1. Maintenance file with tasks is stored in work directory of node under persistent store root defined by consistentId of node.
2. Each task is written to disk as a String on a separate line.
3. Task consists of two or three parts: task UUID, task description and optional parameters.

Field Summary

Fields

Modifier and Type	Field and Description
static String	MAINTENANCE_FILE_NAME

Constructor Summary

Constructors

Constructor and Description
MaintenanceFileStore(boolean disabled, PdsFoldersResolver pdsFoldersResolver, FileIOFactory ioFactory, IgniteLogger log)

Method Summary

Modifier and Type	Method and Description
void	clear() Deletes file with maintenance tasks.
void	deleteMaintenanceTask(String taskName)
Map<String,MaintenanceTask>	getAllTasks()
void	init()
void	stop() Stops
void	writeMaintenanceTask(MaintenanceTask task)

Methods inherited from class java.lang.Object

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

Field Detail

MAINTENANCE_FILE_NAME

public static final String MAINTENANCE_FILE_NAME

See Also:

Constant Field Values

Constructor Detail

MaintenanceFileStore

public MaintenanceFileStore(boolean disabled,
                            PdsFoldersResolver pdsFoldersResolver,
                            FileIOFactory ioFactory,
                            IgniteLogger log)

Method Detail

init

public void init()
          throws IgniteCheckedException,
                 IOException

Throws:

IgniteCheckedException

IOException

clear

public void clear()

Deletes file with maintenance tasks.

stop

public void stop()
          throws IOException

Stops

Throws:

IOException

getAllTasks

public Map<String,MaintenanceTask> getAllTasks()

writeMaintenanceTask

public void writeMaintenanceTask(MaintenanceTask task)
                          throws IOException

Throws:

IOException

deleteMaintenanceTask

public void deleteMaintenanceTask(String taskName)
                           throws IOException

Throws:

IOException