Netty 4.1.107.Final · io.netty.buffer.PoolSubpage

Field Summary

Modifier and Type	Field and Description
private final long[]	bitmap
private final int	bitmapLength
pack-priv final PoolChunk<T>	chunk
pack-priv boolean	doNotDestroy
pack-priv final int	elemSize
pack-priv final int	headIndex
pack-priv final ReentrantLock	lock
private final int	maxNumElems
pack-priv PoolSubpage<T>	next
private int	nextAvail
private int	numAvail
private final int	pageShifts
pack-priv PoolSubpage<T>	prev
private final int	runOffset
private final int	runSize

Constructor Summary

Access	Constructor and Description
pack-priv	PoolSubpage(int headIndex) Special constructor that creates a linked list head
pack-priv	PoolSubpage(PoolSubpage<T> head, PoolChunk<T> chunk, int pageShifts, int runOffset, int runSize, int elemSize)

Method Summary

Modifier and Type	Method and Description
private void	addToPool(PoolSubpage<T> head)
pack-priv long	allocate() Returns the bitmap index of the subpage allocation.
pack-priv void	destroy()
public int	elementSize() Implements io.netty.buffer.PoolSubpageMetric.elementSize. Return the size (in bytes) of the elements that will be allocated.
private int	findNextAvail()
private int	findNextAvail0(int i, long bits)
pack-priv boolean	Returns: `true` if this subpage is in use. `false` if this subpage is not used by its chunk and thus it's OK to be released. free(PoolSubpage<T> head, int bitmapIdx)
private int	getNextAvail()
pack-priv boolean	isDoNotDestroy()
pack-priv void	lock()
public int	maxNumElements() Implements io.netty.buffer.PoolSubpageMetric.maxNumElements. Return the number of maximal elements that can be allocated out of the sub-page.
public int	numAvailable() Implements io.netty.buffer.PoolSubpageMetric.numAvailable. Return the number of available elements to be allocated.
public int	pageSize() Implements io.netty.buffer.PoolSubpageMetric.pageSize. Return the page size (in bytes) of this page.
private void	removeFromPool()
private void	setNextAvail(int bitmapIdx)
private long	toHandle(int bitmapIdx)
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
pack-priv void	unlock()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

bitmap	back to summary
private final long[] bitmap

bitmapLength	back to summary
private final int bitmapLength

chunk	back to summary
pack-priv final PoolChunk<T> chunk

doNotDestroy	back to summary
pack-priv boolean doNotDestroy

elemSize	back to summary
pack-priv final int elemSize

headIndex	back to summary
pack-priv final int headIndex

lock	back to summary
pack-priv final ReentrantLock lock

maxNumElems	back to summary
private final int maxNumElems

next	back to summary
pack-priv PoolSubpage<T> next

nextAvail	back to summary
private int nextAvail

numAvail	back to summary
private int numAvail

pageShifts	back to summary
private final int pageShifts

prev	back to summary
pack-priv PoolSubpage<T> prev

runOffset	back to summary
private final int runOffset

runSize	back to summary
private final int runSize

Constructor Detail

PoolSubpage	back to summary
pack-priv PoolSubpage(int headIndex) Special constructor that creates a linked list head

PoolSubpage	back to summary
pack-priv PoolSubpage(PoolSubpage<T> head, PoolChunk<T> chunk, int pageShifts, int runOffset, int runSize, int elemSize)

Method Detail

addToPool	back to summary
private void addToPool(PoolSubpage<T> head)

allocate	back to summary
pack-priv long allocate() Returns the bitmap index of the subpage allocation.

destroy	back to summary
pack-priv void destroy()

elementSize	back to summary
public int elementSize() Implements io.netty.buffer.PoolSubpageMetric.elementSize. Doc from io.netty.buffer.PoolSubpageMetric.elementSize. Return the size (in bytes) of the elements that will be allocated. Annotations @Override

elementSize

back to summary

public int elementSize()

Implements io.netty.buffer.PoolSubpageMetric.elementSize.

Doc from io.netty.buffer.PoolSubpageMetric.elementSize.

Return the size (in bytes) of the elements that will be allocated.

Annotations

@Override

findNextAvail	back to summary
private int findNextAvail()

findNextAvail0	back to summary
private int findNextAvail0(int i, long bits)

free	back to summary
pack-priv boolean free(PoolSubpage<T> head, int bitmapIdx) Returns:boolean `true` if this subpage is in use. `false` if this subpage is not used by its chunk and thus it's OK to be released.

getNextAvail	back to summary
private int getNextAvail()

isDoNotDestroy	back to summary
pack-priv boolean isDoNotDestroy()

lock	back to summary
pack-priv void lock()

maxNumElements	back to summary
public int maxNumElements() Implements io.netty.buffer.PoolSubpageMetric.maxNumElements. Doc from io.netty.buffer.PoolSubpageMetric.maxNumElements. Return the number of maximal elements that can be allocated out of the sub-page. Annotations @Override

maxNumElements

back to summary

public int maxNumElements()

Implements io.netty.buffer.PoolSubpageMetric.maxNumElements.

Doc from io.netty.buffer.PoolSubpageMetric.maxNumElements.

Return the number of maximal elements that can be allocated out of the sub-page.

Annotations

@Override

numAvailable	back to summary
public int numAvailable() Implements io.netty.buffer.PoolSubpageMetric.numAvailable. Doc from io.netty.buffer.PoolSubpageMetric.numAvailable. Return the number of available elements to be allocated. Annotations @Override

numAvailable

back to summary

public int numAvailable()

Implements io.netty.buffer.PoolSubpageMetric.numAvailable.

Doc from io.netty.buffer.PoolSubpageMetric.numAvailable.

Return the number of available elements to be allocated.

Annotations

@Override

pageSize	back to summary
public int pageSize() Implements io.netty.buffer.PoolSubpageMetric.pageSize. Doc from io.netty.buffer.PoolSubpageMetric.pageSize. Return the page size (in bytes) of this page. Annotations @Override

pageSize

back to summary

public int pageSize()

Implements io.netty.buffer.PoolSubpageMetric.pageSize.

Doc from io.netty.buffer.PoolSubpageMetric.pageSize.

Return the page size (in bytes) of this page.

Annotations

@Override

removeFromPool	back to summary
private void removeFromPool()

setNextAvail	back to summary
private void setNextAvail(int bitmapIdx)

toHandle	back to summary
private long toHandle(int bitmapIdx)

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Doc from java.lang.Object.toString. Returns a string representation of the object. Returns:String a string representation of the object Annotations @Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object

Annotations