core/org.gnit.lucenekmp.util.compress/LZ4/FastCompressionHashTable

FastCompressionHashTable

class FastCompressionHashTable : LZ4.HashTable

Simple lossy HashTable that only stores the last occurrence for each hash on 2^14 bytes of memory.

Constructors

constructor()

Functions

assertReset

open override fun assertReset(): Boolean

get

open override fun get(off: Int): Int

Advance the cursor to off and return an index that stored the same 4 bytes as b[o:o+4). This may only be called on strictly increasing sequences of offsets. A return value of -1 indicates that no other index could be found.

initDictionary

open override fun initDictionary(dictLen: Int)

Init dictLen bytes to be used as a dictionary.

open override fun previous(off: Int): Int

Return an index that less than off and stores the same 4 bytes. Unlike .get, it doesn't need to be called on increasing offsets. A return value of -1 indicates that no other index could be found.

reset

open override fun reset(bytes: ByteArray, off: Int, len: Int)

Reset this hash table in order to compress the given content.