increase() — netty Function Reference

Architecture documentation for the increase() function in EpollEventArray.java from the netty codebase.

Function java Buffer Telemetry calls 2

Entity Profile

Buffer→ Telemetry→ increase() — netty Function Reference

Dependency Diagram

graph TD
  9af148c1_d81e_aba3_e0de_0026b23529ca["increase()"]
  db2d0c9c_9d0d_4140_7bf8_37125c131269["EpollEventArray"]
  9af148c1_d81e_aba3_e0de_0026b23529ca -->|defined in| db2d0c9c_9d0d_4140_7bf8_37125c131269
  c5d5b9db_208b_87a0_2625_ee8426f9e936["calculateBufferCapacity()"]
  9af148c1_d81e_aba3_e0de_0026b23529ca -->|calls| c5d5b9db_208b_87a0_2625_ee8426f9e936
  1ef53f22_32bb_7d3e_3732_741b90fefc4b["memoryAddress()"]
  9af148c1_d81e_aba3_e0de_0026b23529ca -->|calls| 1ef53f22_32bb_7d3e_3732_741b90fefc4b
  style 9af148c1_d81e_aba3_e0de_0026b23529ca fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollEventArray.java lines 83–92

    void increase() {
        // double the size
        length <<= 1;
        // There is no need to preserve what was in the memory before.
        CleanableDirectBuffer buffer = Buffer.allocateDirectBufferWithNativeOrder(calculateBufferCapacity(length));
        cleanable.clean();
        cleanable = buffer;
        memory = buffer.buffer();
        memoryAddress = Buffer.memoryAddress(buffer.buffer());
    }