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LongCounter (JBoss/Common API) - JBoss 3.2.7 common API Documentation 英文版文档

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org.jboss.util
Class LongCounter

java.lang.Object
  org.jboss.util.LongCounter

All Implemented Interfaces:

Cloneable, Serializable

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public class LongCounter

extends Object

implements Serializable, Cloneable

A long integer counter class.

Version:

$Revision: 1.1 $

Author:

Jason Dillon

See Also:

Serialized Form

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Constructor Summary

LongCounter()           Construct a LongCounter.

LongCounter(long count)           Construct a LongCounter with a starting value.

 

Method Summary
Object	clone()           Return a cloned copy of this object.
long	decrement()           Decrement the counter.
boolean	equals(Object obj)           Check if the given object is equal to this.
long	getCount()           Return the current value of the counter.
long	increment()           Increment the counter.
static LongCounter	makeDirectional(LongCounter counter, boolean increasing)           Returns a directional counter.
static LongCounter	makeSynchronized(LongCounter counter)           Return a synchronized counter.
void	reset()           Reset the counter to zero.
String	toString()           Return a string representation of this.

 

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

LongCounter

public LongCounter(long count)

Construct a LongCounter with a starting value.

Parameters:

count - Starting value for counter.

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LongCounter

public LongCounter()

Construct a LongCounter.

Method Detail

increment

public long increment()

Increment the counter. (Optional operation)

Returns:

The incremented value of the counter.

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decrement

public long decrement()

Decrement the counter. (Optional operation)

Returns:

The decremented value of the counter.

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getCount

public long getCount()

Return the current value of the counter.

Returns:

The current value of the counter.

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reset

public void reset()

Reset the counter to zero. (Optional operation)

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equals

public boolean equals(Object obj)

Check if the given object is equal to this.

Parameters:

obj - Object to test equality with.

Returns:

True if object is equal to this.

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toString

public String toString()

Return a string representation of this.

Returns:

A string representation of this.

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clone

public Object clone()

Return a cloned copy of this object.

Returns:

A cloned copy of this object.

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makeSynchronized

public static LongCounter makeSynchronized(LongCounter counter)

Return a synchronized counter.

Parameters:

counter - LongCounter to synchronize.

Returns:

Synchronized counter.

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makeDirectional

public static LongCounter makeDirectional(LongCounter counter,
                                          boolean increasing)

Returns a directional counter.

Parameters:

counter - LongCounter to make directional.

increasing - True to create an increasing only or false to create a decreasing only.

Returns:

A directional counter.

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