Function Java_com_baidu_nlp_LAC_run

java/cpp/lac_jni.cpp:94–129

* Class: LAC * Method: run * Signature: (Ljava/lang/String;Ljava/lang/ArrayList;Ljava/lang/ArrayList)Jint */

 * Signature: (Ljava/lang/String;Ljava/lang/ArrayList;Ljava/lang/ArrayList)Jint
 */
JNIEXPORT jint JNICALL Java_com_baidu_nlp_LAC_run
  (JNIEnv *env, jobject thisObj, jstring sentence, jobject words, jobject tags)
  {
    jclass list_jcs = env->FindClass("java/util/ArrayList");
    if (list_jcs == NULL) {
        std::cerr<<"JNICALL Java_com_baidu_nlp_LAC_run: ArrayList Not Found"<<std::endl;
        return -1;
    }
    
    //获取ArrayList构造函数id，用于Return使用
    // jmethodID list_init = env->GetMethodID(list_jcs, "<init>", "()V");
    //创建一个ArrayList对象
    // jobject list_obj = env->NewObject(list_jcs, list_init, "");

    //获取ArrayList对象的add()的methodID
    jmethodID list_add = env->GetMethodID(list_jcs, "add",
              "(Ljava/lang/Object;)Z");

    //获取ArrayList对象的clear()的methodID
    jmethodID list_clear = env->GetMethodID(list_jcs, "clear", "()V");
    env->CallVoidMethod(words, list_clear);
    env->CallVoidMethod(tags, list_clear);

    LAC *self = _get_self(env, thisObj);
    std::string input = env->GetStringUTFChars(sentence, 0);
    auto result = self->run(input);

    for (size_t i = 0; i < result.size(); i++)
    {
      env->CallBooleanMethod(words, list_add, env->NewStringUTF(result[i].word.c_str()));
      env->CallBooleanMethod(tags, list_add, env->NewStringUTF(result[i].tag.c_str()));
    }
  
    return 0;

  }

#ifdef __cplusplus
}