org.greenrobot.essentials

Class PrimitiveArrayUtils

java.lang.Object

org.greenrobot.essentials.PrimitiveArrayUtils

public abstract class PrimitiveArrayUtils
extends java.lang.Object

Retrieves int and long values from byte arrays. By default it uses a "safe" implementation (plain Java). By calling initUnsafeInstance(), you can switch to sun.misc.Unsafe (deprecated) for fast access.

Constructor Summary

Constructors

Constructor and Description
PrimitiveArrayUtils()

Method Summary

Modifier and Type	Method and Description
static PrimitiveArrayUtils	getInstance()
static PrimitiveArrayUtils	getInstanceSafe()
abstract int	getIntBE(byte[] bytes, int index)
abstract int	getIntLE(byte[] bytes, int index)
abstract int	getIntLE(char[] chars, int index)
abstract long	getLongBE(byte[] bytes, int index)
abstract long	getLongLE(byte[] bytes, int index)
static boolean	initUnsafeInstance() If sun.misc.Unsafe is available, this will init the static instance with a fast implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

PrimitiveArrayUtils

public PrimitiveArrayUtils()

Method Detail

getInstance

public static PrimitiveArrayUtils getInstance()

initUnsafeInstance

public static boolean initUnsafeInstance()

If sun.misc.Unsafe is available, this will init the static instance with a fast implementation.

Returns:

true if an unsafe implementation is available - future calls to getInstance() will return it.

getInstanceSafe

public static PrimitiveArrayUtils getInstanceSafe()

getIntLE

public abstract int getIntLE(byte[] bytes,
                             int index)

getIntBE

public abstract int getIntBE(byte[] bytes,
                             int index)

getLongLE

public abstract long getLongLE(byte[] bytes,
                               int index)

getLongBE

public abstract long getLongBE(byte[] bytes,
                               int index)

getIntLE

public abstract int getIntLE(char[] chars,
                             int index)