// Copyright 2022 Alibaba Group Holding Limited.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "java_class/Iterator.h"

#include "Pemja.h"

static jmethodID hasNext = 0;
static jmethodID next = 0;

jboolean JavaIterator_hasNext(JNIEnv* env, jobject jval) {
  if (!hasNext) {
    hasNext = (*env)->GetMethodID(env, JITERATOR_TYPE, "hasNext", "()Z");
  }
  return (*env)->CallBooleanMethod(env, jval, hasNext);
}

jobject JavaIterator_next(JNIEnv* env, jobject jval) {
  if (!next) {
    next = (*env)->GetMethodID(env, JITERATOR_TYPE, "next",
                               "()Ljava/lang/Object;");
  }
  return (*env)->CallObjectMethod(env, jval, next);
}
