co.stateful.spi

Interface Counters

All Known Implementing Classes:

QtCounters

@Immutable
public interface Counters

Counters.

Version:

$Id$

Author:

Yegor Bugayenko (yegor@tpc2.com)

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX Maximum allowed per account.

Method Summary

Methods

Modifier and Type	Method and Description
void	create(String name) Create a counter.
void	delete(String name) Delete a counter.
Counter	get(String name) Get one counter by name.
Iterable<String>	names() Get list of them all.

Field Detail

MAX

static final int MAX

Maximum allowed per account.

See Also:

Constant Field Values

Method Detail

names

Iterable<String> names()
                       throws IOException

Get list of them all.

Returns:

List of counter names

Throws:

IOException - If fails

create

void create(String name)
            throws IOException

Create a counter.

Parameters:

name - Name of it

Throws:

IOException - If fails due to IO problem

delete

void delete(String name)
            throws IOException

Delete a counter.

Parameters:

name - Name of it

Throws:

IOException - If fails

get

Counter get(String name)

Get one counter by name.

Parameters:

name - Name of it

Returns:

Counter