Package org.apache.pekko.http

Class HashCodeCollider

java.lang.Object

org.apache.pekko.http.HashCodeCollider

public class HashCodeCollider
extends Object

Helper that creates strings that all share the same hashCode == 0.

Adapted from MIT-licensed code by Andriy Plokhotnyuk at https://github.com/plokhotnyuk/jsoniter-scala/blob/26b5ecdd4f8c2ab7e97bd8106cefdda4c1e701ce/jsoniter-scala-benchmark/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/macros/HashCodeCollider.scala#L6.

Constructor Summary

Constructors

Constructor	Description
HashCodeCollider()

Method Summary

Modifier and Type	Method	Description
static scala.collection.Iterator<Object>	asciiChars()
static scala.collection.Iterator<scala.Tuple2<Object,Object>>	asciiCharsAndHash(int previousHash)
static scala.collection.immutable.IndexedSeq<Object>	visibleChars()
static scala.collection.Iterator<String>	zeroHashCodeIterator()	Creates an iterator of Strings that all have hashCode == 0

Methods inherited from class java.lang.Object

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

Constructor Details

HashCodeCollider

public HashCodeCollider()

Method Details

visibleChars

public static scala.collection.immutable.IndexedSeq<Object> visibleChars()

asciiChars

public static scala.collection.Iterator<Object> asciiChars()

asciiCharsAndHash

public static scala.collection.Iterator<scala.Tuple2<Object,Object>> asciiCharsAndHash(int previousHash)

zeroHashCodeIterator

public static scala.collection.Iterator<String> zeroHashCodeIterator()

Creates an iterator of Strings that all have hashCode == 0