com.trivago.triava.tcache.storage

Class ByteArray

java.lang.Object

com.trivago.triava.tcache.storage.ByteArray

public class ByteArray
extends Object

A data structure holding a byte array, and provides a hashCode based on the byte array content. Important note: The arrays used for creating instances of this class must not be modified as its hash code is cached. See ByteArray(byte[]) for details.

Constructor Summary

Constructors

Constructor and Description
ByteArray(byte[] bytes) Creates a new ByteArray from the given bytes.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteArray

public ByteArray(byte[] bytes)

Creates a new ByteArray from the given bytes. It is not allowed to modify the given byte array after running this constructor. The reason is that the given byte array is not copied and the hashCode is being cached. When using ByteArray instances in hash based data structures like HashMap, objects can get "lost".

Parameters:

bytes - The byte array

Method Detail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object