common.base

类 ByteArrayPool

java.lang.Object

common.base.ByteArrayPool

所有已实现的接口:

ArrayPool<byte[]>

public class ByteArrayPool
extends java.lang.Object
implements ArrayPool<byte[]>

Created by apolunor on 2017/5/14.

字段概要

字段

限定符和类型	字段和说明
protected static java.util.Comparator<byte[]>	BUF_COMPARATOR Compares buffers by size

构造器概要

构造器

构造器和说明
ByteArrayPool(int sizeLimit)

方法概要

限定符和类型	方法和说明
byte[]	acquire(int len) Returns a buffer from the pool if one is available in the requested size, or allocates a new one if a pooled one is not available.
void	clearMemory() Evict all items from the memory cache.
boolean	release(byte[] buf) Returns a buffer to the pool, throwing away old buffers if the pool would exceed its allotted size.
void	trimMemory(int level) Trim the memory cache to the appropriate level.

从类继承的方法 java.lang.Object

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

字段详细资料

BUF_COMPARATOR

protected static final java.util.Comparator<byte[]> BUF_COMPARATOR

Compares buffers by size

构造器详细资料

ByteArrayPool

public ByteArrayPool(int sizeLimit)

参数:

sizeLimit - the maximum size of the pool, in bytes

方法详细资料

acquire

public byte[] acquire(int len)

Returns a buffer from the pool if one is available in the requested size, or allocates a new one if a pooled one is not available.

指定者:

acquire 在接口中 ArrayPool<byte[]>

参数:

len - the minimum size, in bytes, of the requested buffer. The returned buffer may be larger.

返回:

a byte[] buffer is always returned.

release

public boolean release(byte[] buf)

Returns a buffer to the pool, throwing away old buffers if the pool would exceed its allotted size.

指定者:

release 在接口中 ArrayPool<byte[]>

参数:

buf - the buffer to return to the pool.

返回:

Whether the instance was put in the pool.

clearMemory

public void clearMemory()

从接口复制的说明: ArrayPool

Evict all items from the memory cache.

指定者:

clearMemory 在接口中 ArrayPool<byte[]>

trimMemory

public void trimMemory(int level)

从接口复制的说明: ArrayPool

Trim the memory cache to the appropriate level. Typically called on the callback onTrimMemory.

指定者:

trimMemory 在接口中 ArrayPool<byte[]>

参数:

level - This integer represents a trim level as specified in ComponentCallbacks2.