sizeOf() — netty Function Reference

Architecture documentation for the sizeOf() function in SizeClasses.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Buffer→ Allocators→ sizeOf() — netty Function Reference

Dependency Diagram

graph TD
  23340afc_607e_6d69_aa04_02a9689ed359["sizeOf()"]
  d1cbce7b_bd0a_5553_8e62_6deeb38137ff["SizeClasses"]
  23340afc_607e_6d69_aa04_02a9689ed359 -->|defined in| d1cbce7b_bd0a_5553_8e62_6deeb38137ff
  0fff0007_5d31_e6c3_579f_00f722ad4360["calculateSize()"]
  23340afc_607e_6d69_aa04_02a9689ed359 -->|calls| 0fff0007_5d31_e6c3_579f_00f722ad4360
  e527e111_d931_4c43_c84e_902b0e4264cf["alignSizeIfNeeded()"]
  23340afc_607e_6d69_aa04_02a9689ed359 -->|calls| e527e111_d931_4c43_c84e_902b0e4264cf
  style 23340afc_607e_6d69_aa04_02a9689ed359 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/SizeClasses.java lines 235–243

    private static int sizeOf(short[] sizeClass, int directMemoryCacheAlignment) {
        int log2Group = sizeClass[LOG2GROUP_IDX];
        int log2Delta = sizeClass[LOG2DELTA_IDX];
        int nDelta = sizeClass[NDELTA_IDX];

        int size = calculateSize(log2Group, nDelta, log2Delta);

        return alignSizeIfNeeded(size, directMemoryCacheAlignment);
    }