index() — netty Function Reference

Architecture documentation for the index() function in LongLongHashMap.java from the netty codebase.

Function java CommonUtil Internal called by 3

Entity Profile

CommonUtil→ Internal→ index() — netty Function Reference

Dependency Diagram

graph TD
  d26bef1b_480a_bce1_986c_ff9e97408cb9["index()"]
  c69e9be2_01e3_83a0_b7d7_e4e8841e7bf8["LongLongHashMap"]
  d26bef1b_480a_bce1_986c_ff9e97408cb9 -->|defined in| c69e9be2_01e3_83a0_b7d7_e4e8841e7bf8
  de2b9bd8_a556_f190_a2d4_14bd57210f3c["put()"]
  de2b9bd8_a556_f190_a2d4_14bd57210f3c -->|calls| d26bef1b_480a_bce1_986c_ff9e97408cb9
  21c75f13_5c12_7a9d_24bf_25e83548d0bb["remove()"]
  21c75f13_5c12_7a9d_24bf_25e83548d0bb -->|calls| d26bef1b_480a_bce1_986c_ff9e97408cb9
  79bc14e4_5167_3c0d_a118_cf3f3fb50053["get()"]
  79bc14e4_5167_3c0d_a118_cf3f3fb50053 -->|calls| d26bef1b_480a_bce1_986c_ff9e97408cb9
  style d26bef1b_480a_bce1_986c_ff9e97408cb9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/LongLongHashMap.java lines 107–115

    private int index(long key) {
        // Hash with murmur64, and mask.
        key ^= key >>> 33;
        key *= 0xff51afd7ed558ccdL;
        key ^= key >>> 33;
        key *= 0xc4ceb9fe1a85ec53L;
        key ^= key >>> 33;
        return (int) key & mask;
    }