Package com.yahoo.vespa.curator.transaction

Class CuratorOperations

java.lang.Object

com.yahoo.vespa.curator.transaction.CuratorOperations

public class CuratorOperations
extends Object

Factory for transactional ZooKeeper operations. This mirrors the operations which are actually available in Curator, which unfortunately does not include variants that deletes children, creates parents etc. in a single operation.

Author:

Ulf Lilleengen, bratseth

Constructor Summary

Constructors

Constructor	Description
CuratorOperations()

Method Summary

Modifier and Type	Method	Description
static CuratorOperation	create(String path)	Creates this path with no data.
static CuratorOperation	create(String path, byte[] bytes)	Creates this path with data.
static CuratorOperation	delete(String path)	Deletes this path.
static List<CuratorOperation>	deleteAll(String path, Curator curator)	Returns operations deleting this path and everything below it, in an order where a parent is ordered after all its children, such that the operations will succeed when executed in the returned order.
static CuratorOperation	setData(String path, byte[] bytes)	Sets data at this path.

Methods inherited from class java.lang.Object

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

Constructor Details

CuratorOperations

public CuratorOperations()

Method Details

setData

public static CuratorOperation setData(String path,
 byte[] bytes)

Sets data at this path.

Throws:

IllegalStateException - in check() if the path does not exist

create

public static CuratorOperation create(String path,
 byte[] bytes)

Creates this path with data.

Throws:

IllegalStateException - in check() if the parent does not exist

create

public static CuratorOperation create(String path)

Creates this path with no data.

Throws:

IllegalStateException - in check() if the parent does not exist

delete

public static CuratorOperation delete(String path)

Deletes this path. This does not delete children.

Throws:

IllegalStateException - in check() if the path does not exist.

deleteAll

public static List<CuratorOperation> deleteAll(String path,
 Curator curator)

Returns operations deleting this path and everything below it, in an order where a parent is ordered after all its children, such that the operations will succeed when executed in the returned order. This does not fail, but returns an empty list if the path does not exist.