text: /**
   * Copyright (C) 2014-2017 Adrián González Sieira (adrian.gonzalez@usc.es)
   *
   * 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 "nativeobject.h"
  #include "definitions.h"
  
  /*
   * Piece of code to retrieve native pointer.
   */
  jlong getPointer(JNIEnv *env, jobject obj){
  	//find field to access the OcTree pointer
  	jclass cls = env->FindClass(CLS_NATIVEOBJECT);
  	jfieldID field = env->GetFieldID(cls, FIELD_NATIVEOBJECT_POINTER, SIGNATURE_LONG);
  	//retrieve value of field
  	return env->GetLongField(obj, field);
  }
  
  /*
   * Delete native pointer
   */
  void deletePointer(JNIEnv *env, jobject obj){
      	//find field to access the OcTree pointer
  	jclass cls = env->FindClass(CLS_NATIVEOBJECT);
  	jfieldID field = env->GetFieldID(cls, FIELD_NATIVEOBJECT_POINTER, SIGNATURE_LONG);
  	//retrieve value of field
  	env->SetLongField(obj, field, INVALID_POINTER);
  }
  