Example #1
0
  /** Skips checks for existing keys. */
  private void putResize(K key, float value) {
    // Check for empty buckets.
    int hashCode = key.hashCode();
    int index1 = hashCode & mask;
    K key1 = keyTable[index1];
    if (key1 == null) {
      keyTable[index1] = key;
      valueTable[index1] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    int index2 = hash2(hashCode);
    K key2 = keyTable[index2];
    if (key2 == null) {
      keyTable[index2] = key;
      valueTable[index2] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    int index3 = hash3(hashCode);
    K key3 = keyTable[index3];
    if (key3 == null) {
      keyTable[index3] = key;
      valueTable[index3] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    push(key, value, index1, key1, index2, key2, index3, key3);
  }
Example #2
0
  public void put(K key, float value) {
    if (key == null) throw new IllegalArgumentException("key cannot be null.");
    K[] keyTable = this.keyTable;

    // Check for existing keys.
    int hashCode = key.hashCode();
    int index1 = hashCode & mask;
    K key1 = keyTable[index1];
    if (key.equals(key1)) {
      valueTable[index1] = value;
      return;
    }

    int index2 = hash2(hashCode);
    K key2 = keyTable[index2];
    if (key.equals(key2)) {
      valueTable[index2] = value;
      return;
    }

    int index3 = hash3(hashCode);
    K key3 = keyTable[index3];
    if (key.equals(key3)) {
      valueTable[index3] = value;
      return;
    }

    // Update key in the stash.
    for (int i = capacity, n = i + stashSize; i < n; i++) {
      if (key.equals(keyTable[i])) {
        valueTable[i] = value;
        return;
      }
    }

    // Check for empty buckets.
    if (key1 == null) {
      keyTable[index1] = key;
      valueTable[index1] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    if (key2 == null) {
      keyTable[index2] = key;
      valueTable[index2] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    if (key3 == null) {
      keyTable[index3] = key;
      valueTable[index3] = value;
      if (size++ >= threshold) resize(capacity << 1);
      return;
    }

    push(key, value, index1, key1, index2, key2, index3, key3);
  }