PredictionContext.java 文件源码

protected static int calculateHashCode(PredictionContext[] parents, int[] returnStates) {
    int hash = MurmurHash.initialize(INITIAL_HASH);

    for (PredictionContext parent : parents) {
        hash = MurmurHash.update(hash, parent);
    }

    for (int returnState : returnStates) {
        hash = MurmurHash.update(hash, returnState);
    }

    hash = MurmurHash.finish(hash, 2 * parents.length);
    return hash;
}