io.netty.util

Class AbstractReferenceCounted

java.lang.Object

io.netty.util.AbstractReferenceCounted

All Implemented Interfaces:

ReferenceCounted

Direct Known Subclasses:

AbstractHttpData, DefaultFileRegion, PemPrivateKey

public abstract class AbstractReferenceCounted
extends java.lang.Object
implements ReferenceCounted

Abstract base class for classes wants to implement ReferenceCounted.

Constructor Summary

Constructors

Constructor and Description
AbstractReferenceCounted()

Method Summary

Modifier and Type	Method and Description
protected abstract void	deallocate() Called once refCnt() is equals 0.
int	refCnt() Returns the reference count of this object.
boolean	release() Decreases the reference count by 1 and deallocates this object if the reference count reaches at 0.
boolean	release(int decrement) Decreases the reference count by the specified decrement and deallocates this object if the reference count reaches at 0.
ReferenceCounted	retain() Increases the reference count by 1.
ReferenceCounted	retain(int increment) Increases the reference count by the specified increment.
protected void	setRefCnt(int refCnt) An unsafe operation intended for use by a subclass that sets the reference count of the buffer directly

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractReferenceCounted

public AbstractReferenceCounted()

Method Detail

refCnt

public final int refCnt()

Description copied from interface: ReferenceCounted

Returns the reference count of this object. If 0, it means this object has been deallocated.

Specified by:

refCnt in interface ReferenceCounted

setRefCnt

protected final void setRefCnt(int refCnt)

An unsafe operation intended for use by a subclass that sets the reference count of the buffer directly

retain

public ReferenceCounted retain()

Description copied from interface: ReferenceCounted

Increases the reference count by 1.

Specified by:

retain in interface ReferenceCounted

retain

public ReferenceCounted retain(int increment)

Description copied from interface: ReferenceCounted

Increases the reference count by the specified increment.

Specified by:

retain in interface ReferenceCounted

release

public boolean release()

Description copied from interface: ReferenceCounted

Decreases the reference count by 1 and deallocates this object if the reference count reaches at 0.

Specified by:

release in interface ReferenceCounted

Returns:

true if and only if the reference count became 0 and this object has been deallocated

release

public boolean release(int decrement)

Description copied from interface: ReferenceCounted

Decreases the reference count by the specified decrement and deallocates this object if the reference count reaches at 0.

Specified by:

release in interface ReferenceCounted

Returns:

true if and only if the reference count became 0 and this object has been deallocated

deallocate

protected abstract void deallocate()

Called once refCnt() is equals 0.