net.sf.ehcache.util.counter
Class CounterImpl

java.lang.Object
  net.sf.ehcache.util.counter.CounterImpl

All Implemented Interfaces:

Serializable, Counter

Direct Known Subclasses:

SampledCounterImpl

public class CounterImpl
extends Object
implements Counter, Serializable

A simple counter implementation

Since:

1.7

Author:

Abhishek Sanoujam

See Also:

Serialized Form

Constructor Summary

CounterImpl()
Default Constructor

CounterImpl(long initialValue)
Constructor with initial value

Method Summary

long	decrement() Decrement the counter by 1
long	decrement(long amount) Decrement the counter by given amount
long	getAndSet(long newValue) Returns the value of the counter and sets it to the new value
long	getValue() Gets current value of the counter
long	increment() Increment the counter by 1
long	increment(long amount) Increment the counter by given amount
void	setValue(long newValue) Sets the value of the counter to the supplied value

Methods inherited from class java.lang.Object

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

Constructor Detail

CounterImpl

public CounterImpl()

Default Constructor

CounterImpl

public CounterImpl(long initialValue)

Constructor with initial value

Parameters:

initialValue -

Method Detail

increment

public long increment()

Increment the counter by 1

Specified by:

increment in interface Counter

Returns:

the value after incrementing

decrement

public long decrement()

Decrement the counter by 1

Specified by:

decrement in interface Counter

Returns:

the value after decrementing

getAndSet

public long getAndSet(long newValue)

Returns the value of the counter and sets it to the new value

Specified by:

getAndSet in interface Counter

Returns:

Returns the old value

getValue

public long getValue()

Gets current value of the counter

Specified by:

getValue in interface Counter

Returns:

current value of the counter

increment

public long increment(long amount)

Increment the counter by given amount

Specified by:

increment in interface Counter

Returns:

the value of the counter after incrementing

decrement

public long decrement(long amount)

Decrement the counter by given amount

Specified by:

decrement in interface Counter

Returns:

the value of the counter after decrementing

setValue

public void setValue(long newValue)

Sets the value of the counter to the supplied value

Specified by:

setValue in interface Counter