co.stateful

Interface Lock

All Known Implementing Classes:

ReLock

@Immutable
public interface Lock

Lock.

Since:

0.3

Version:

$Id$

Author:

Yegor Bugayenko (yegor@tpc2.com)

Method Summary

Methods

Modifier and Type	Method and Description
String	label() Read label (or empty text if lock doesn't exist).
boolean	lock(String label) Lock with label.
String	name() Its name.
boolean	unlock(String label) Unlock, if label matches.

Method Detail

name

String name()

Its name.

Returns:

Name of this lock

Since:

0.8

label

String label()
             throws IOException

Read label (or empty text if lock doesn't exist).

Returns:

Label of this lock (if the lock exists), or empty string

Throws:

IOException - If any problem inside

Since:

0.15

lock

boolean lock(String label)
             throws IOException

Lock with label.

Parameters:

label - Label to attach

Returns:

TRUE if success, FALSE otherwise

Throws:

IOException - If any problem inside

Since:

0.11

unlock

boolean unlock(String label)
               throws IOException

Unlock, if label matches.

Parameters:

label - Label to attach

Returns:

TRUE if success, FALSE otherwise (label doesn't match)

Throws:

IOException - If any problem inside

Since:

0.11