org.springframework.xd.analytics.metrics.memory

Class InMemoryCounterService

java.lang.Object

org.springframework.xd.analytics.metrics.memory.InMemoryCounterService

All Implemented Interfaces:

CounterService

public class InMemoryCounterService
extends java.lang.Object
implements CounterService

An in memory based implementation.

Author:

Mark Pollack

Constructor Summary

Constructors

Constructor and Description
InMemoryCounterService(InMemoryCounterRepository counterRepository)

Method Summary

Methods

Modifier and Type	Method and Description
void	decrement(java.lang.String name) Decrement the counter by one
Counter	getOrCreate(java.lang.String name) Returns an existing counter for the given name or creates a new counter set to zero
void	increment(java.lang.String name) Increment the counter by one
void	reset(java.lang.String name) Reset the counter to zero

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryCounterService

public InMemoryCounterService(InMemoryCounterRepository counterRepository)

Method Detail

getOrCreate

public Counter getOrCreate(java.lang.String name)

Description copied from interface: CounterService

Returns an existing counter for the given name or creates a new counter set to zero

Specified by:

getOrCreate in interface CounterService

Parameters:

name - name of the counter

Returns:

existing or new counter.

increment

public void increment(java.lang.String name)

Description copied from interface: CounterService

Increment the counter by one

Specified by:

increment in interface CounterService

Parameters:

name - the counter name

decrement

public void decrement(java.lang.String name)

Description copied from interface: CounterService

Decrement the counter by one

Specified by:

decrement in interface CounterService

Parameters:

name - the counter name

reset

public void reset(java.lang.String name)

Description copied from interface: CounterService

Reset the counter to zero

Specified by:

reset in interface CounterService

Parameters:

name - the counter name