replace() — netty Function Reference

Architecture documentation for the replace() function in ConcurrentSkipListIntObjMultimap.java from the netty codebase.

Function java CommonUtil Concurrent calls 2

Entity Profile

CommonUtil→ Concurrent→ replace() — netty Function Reference

Dependency Diagram

graph TD
  0fbf9d08_a59a_4f48_733f_5eff8a8ca4ec["replace()"]
  d9a8da36_aab9_ab33_dc67_870b34dcd270["ConcurrentSkipListIntObjMultimap"]
  0fbf9d08_a59a_4f48_733f_5eff8a8ca4ec -->|defined in| d9a8da36_aab9_ab33_dc67_870b34dcd270
  e6377398_2342_36cb_6b52_ad257316c9a9["findNode()"]
  0fbf9d08_a59a_4f48_733f_5eff8a8ca4ec -->|calls| e6377398_2342_36cb_6b52_ad257316c9a9
  9e959d43_e1c8_8fa8_7a61_d5c0c6f8df6d["equals()"]
  0fbf9d08_a59a_4f48_733f_5eff8a8ca4ec -->|calls| 9e959d43_e1c8_8fa8_7a61_d5c0c6f8df6d
  style 0fbf9d08_a59a_4f48_733f_5eff8a8ca4ec fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/concurrent/ConcurrentSkipListIntObjMultimap.java lines 1276–1296

    public boolean replace(int key, V oldValue, V newValue) {
        if (key == noKey) {
            throw new IllegalArgumentException();
        }
        requireNonNull(oldValue);
        requireNonNull(newValue);
        for (;;) {
            Node<V> n; V v;
            if ((n = findNode(key)) == null) {
                return false;
            }
            if ((v = n.val) != null) {
                if (!oldValue.equals(v)) {
                    return false;
                }
                if (VAL.compareAndSet(n, v, newValue)) {
                    return true;
                }
            }
        }
    }