int task_execute(oph_operator_struct * handle)
{
	if (!handle || !handle->operator_handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_NULL_OPERATOR_HANDLE);
		return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
	}
	//Only master process has to continue
	if (handle->proc_rank != 0)
		return OPH_ANALYTICS_OPERATOR_SUCCESS;

	int folderid;
	char *abs_path = NULL;
	char *filters = NULL;
	int *max_lengths = NULL;
	int max_lengths_size;
	int permission = 0;
	ophidiadb *oDB = &((OPH_SEARCH_operator_handle *) handle->operator_handle)->oDB;

	if (!strcasecmp(((OPH_SEARCH_operator_handle *) handle->operator_handle)->path, OPH_FRAMEWORK_FS_DEFAULT_PATH)) {
		if (oph_odb_fs_path_parsing(".", ((OPH_SEARCH_operator_handle *) handle->operator_handle)->cwd, &folderid, &abs_path, oDB)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse path\n");
			logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_PATH_PARSING_ERROR);
			return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
		}
	} else {
		if (oph_odb_fs_path_parsing(((OPH_SEARCH_operator_handle *) handle->operator_handle)->path, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->cwd, &folderid, &abs_path, oDB)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse path '%s/%s'\n", ((OPH_SEARCH_operator_handle *) handle->operator_handle)->cwd,
			      ((OPH_SEARCH_operator_handle *) handle->operator_handle)->path);
			logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_PATH_PARSING_ERROR);
			return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
		}
	}
	if ((oph_odb_fs_check_folder_session(folderid, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->sessionid, oDB, &permission)) || !permission) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Path %s not allowed\n", abs_path);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_PATH_NOT_ALLOWED_ERROR, abs_path);
		if (abs_path) {
			free(abs_path);
			abs_path = NULL;
		}
		return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
	}
	// Change folder_to_be_printed in user format
	if (abs_path) {
		char old_abs_path[1 + strlen(abs_path)];
		strcpy(old_abs_path, abs_path);
		free(abs_path);
		abs_path = NULL;
		if (oph_pid_drop_session_prefix(old_abs_path, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->sessionid, &abs_path)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Folder conversion error\n");
			logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, "Folder conversion error\n");
			if (abs_path) {
				free(abs_path);
				abs_path = NULL;
			}
			return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
		}
	}

	if (get_filters_string
	    (((OPH_SEARCH_operator_handle *) handle->operator_handle)->container_filter, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->container_filter_num,
	     ((OPH_SEARCH_operator_handle *) handle->operator_handle)->metadata_key_filter, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->metadata_key_filter_num,
	     ((OPH_SEARCH_operator_handle *) handle->operator_handle)->metadata_value_filter, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->metadata_value_filter_num, &filters)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse filters\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_FILTERS_PARSING_ERROR);
		if (abs_path) {
			free(abs_path);
			abs_path = NULL;
		}
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if (recursive_get_max_lengths(strlen(abs_path), folderid, filters, oDB, &max_lengths, &max_lengths_size, NULL, 1)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Search error\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_SEARCH_ERROR);
		if (abs_path) {
			free(abs_path);
			abs_path = NULL;
		}
		if (filters) {
			free(filters);
			filters = NULL;
		}
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if (recursive_search
	    (abs_path, folderid, filters, oDB, max_lengths, max_lengths_size, NULL, NULL, 1, handle->operator_json,
	     oph_json_is_objkey_printable(((OPH_SEARCH_operator_handle *) handle->operator_handle)->objkeys, ((OPH_SEARCH_operator_handle *) handle->operator_handle)->objkeys_num,
					  OPH_JSON_OBJKEY_SEARCH))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Search error\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SEARCH_SEARCH_ERROR);
		if (abs_path) {
			free(abs_path);
			abs_path = NULL;
		}
		if (filters) {
			free(filters);
			filters = NULL;
		}
		if (max_lengths) {
			free(max_lengths);
			max_lengths = NULL;
		}
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}

	if (abs_path) {
		free(abs_path);
		abs_path = NULL;
	}
	if (filters) {
		free(filters);
		filters = NULL;
	}
	if (max_lengths) {
		free(max_lengths);
		max_lengths = NULL;
	}

	return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int task_execute(oph_operator_struct *handle)
{
  if (!handle || !handle->operator_handle){
  	pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
	logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_DELETECONTAINER_NULL_OPERATOR_HANDLE );		
	  return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
  }

  //Only master process has to continue
  if (handle->proc_rank != 0)
	return OPH_ANALYTICS_OPERATOR_SUCCESS;

  ophidiadb *oDB = &((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->oDB;
  int id_container = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container;
  int hidden = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->hidden;
  int delete_type = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->delete_type;
  char *container_name = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->container_input;
  char *cwd = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->cwd;
  char *user = ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->user;

  if(delete_type == OPH_DELETE_LOGIC_CODE) hidden = 0;

  //Check if user can operate on container and if container exists
  int permission = 0;
  int folder_id = 0;
  int container_exists = 0;
  //Check if input path exists
  if((oph_odb_fs_path_parsing("", cwd, &folder_id, NULL, oDB))) {
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Path %s doesn't exists\n", cwd);
		logging(LOG_ERROR, __FILE__, __LINE__,  OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_DELETECONTAINER_CWD_ERROR, container_name, cwd );
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
  }
  if((oph_odb_fs_check_folder_session(folder_id, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->sessionid, oDB, &permission)) || !permission){
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work in this folder\n", user);
		logging(LOG_ERROR, __FILE__, __LINE__,  OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_DELETECONTAINER_DATACUBE_PERMISSION_ERROR, container_name, user );
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
  }
  if(oph_odb_fs_retrieve_container_id_from_container_name(oDB, folder_id, container_name, hidden, &id_container)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unknown input %s container\n", (hidden ? "hidden" : "visible"));
		logging(LOG_ERROR, __FILE__, __LINE__,id_container, OPH_LOG_OPH_DELETECONTAINER_NO_INPUT_CONTAINER, (hidden ? "hidden" : "visible"), container_name  );
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
  }
  ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container = id_container;

  if(delete_type == OPH_DELETE_PHYSIC_CODE){
	  if(oph_odb_fs_check_if_container_empty(oDB, id_container)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Input container isn't empty\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_DELETECONTAINER_CONTAINER_NOT_EMPTY, container_name  );
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	  }

	  //Remove also grid related to container dimensions
	  if(oph_odb_dim_delete_from_grid_table(oDB, id_container)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while deleting grid related to container\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_GRID_DELETE_ERROR );		
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;  
	  }

	  //Delete container and related dimensions/ dimension instances
	  if(oph_odb_fs_delete_from_container_table(oDB, id_container)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while deleting input container\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_CONTAINER_DELETE_ERROR );		
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;  
	  }
 
	  oph_odb_db_instance db_;
	  oph_odb_db_instance *db = &db_;
	  if (oph_dim_load_dim_dbinstance(db))
	  {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while loading dimension db paramters\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_DIM_LOAD );
		oph_dim_unload_dim_dbinstance(db);		
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR; 
	  }
	  if (oph_dim_connect_to_dbms(db->dbms_instance, 0))
	  {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while connecting to dimension dbms\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_DIM_CONNECT );
		oph_dim_disconnect_from_dbms(db->dbms_instance);
		oph_dim_unload_dim_dbinstance(db);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR; 
	  }
	  if (oph_dim_use_db_of_dbms(db->dbms_instance, db))
	  {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while opening dimension db\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_DIM_USE_DB );
		oph_dim_disconnect_from_dbms(db->dbms_instance);
		oph_dim_unload_dim_dbinstance(db);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR; 
	  }

	  char index_dimension_table_name[OPH_COMMON_BUFFER_LEN],label_dimension_table_name[OPH_COMMON_BUFFER_LEN];
	  snprintf(index_dimension_table_name,OPH_COMMON_BUFFER_LEN,OPH_DIM_TABLE_NAME_MACRO,((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container);
	  snprintf(label_dimension_table_name,OPH_COMMON_BUFFER_LEN,OPH_DIM_TABLE_LABEL_MACRO,((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container);

	  if (oph_dim_delete_table(db, index_dimension_table_name))
	  {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while deleting dimension table\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_DIM_TABLE_DELETE_ERROR );
		oph_dim_disconnect_from_dbms(db->dbms_instance);
		oph_dim_unload_dim_dbinstance(db);	
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR; 
	  }
	  if (oph_dim_delete_table(db, label_dimension_table_name))
	  {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error while deleting dimension table\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_DELETECONTAINER_operator_handle*)handle->operator_handle)->id_input_container, OPH_LOG_OPH_DELETECONTAINER_DIM_TABLE_DELETE_ERROR );
		oph_dim_disconnect_from_dbms(db->dbms_instance);
		oph_dim_unload_dim_dbinstance(db);	
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR; 
	  }

	  oph_dim_disconnect_from_dbms(db->dbms_instance);
	  oph_dim_unload_dim_dbinstance(db);
  }
  else{
	//Check if hidden container exists in folder
	if(oph_odb_fs_is_hidden_container(folder_id, container_name,  oDB, &container_exists))
	{
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to check output container\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_DELETECONTAINER_OUTPUT_CONTAINER_ERROR_NO_CONTAINER, container_name, container_name );	
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if (container_exists)
	{
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Hidden container '%s' already exists in this folder\n", container_name);
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_DELETECONTAINER_OUTPUT_CONTAINER_EXIST_ERROR, container_name, container_name );
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	//If container exists then DELETE
	if(oph_odb_fs_set_container_hidden_status(id_container, 1, oDB)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to delete  logically  container %s\n", container_name);
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_DELETECONTAINER_UPDATE_CONTAINER_ERROR, container_name );	
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}		
  }

  return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int task_execute(oph_operator_struct * handle)
{
	if (!handle || !handle->operator_handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_RESTORECONTAINER_NULL_OPERATOR_HANDLE);
		return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
	}
	//Only master process has to continue
	if (handle->proc_rank != 0)
		return OPH_ANALYTICS_OPERATOR_SUCCESS;

	char *container_name = ((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->container_output;
	int id_container_out = 0, container_exists = 0;
	ophidiadb *oDB = &((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->oDB;
	char *cwd = ((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->cwd;
	char *user = ((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->user;

	int permission = 0;
	int folder_id = 0;
	//Check if input path exists
	if ((oph_odb_fs_path_parsing("", cwd, &folder_id, NULL, oDB))) {
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Path %s doesn't exists\n", cwd);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_RESTORECONTAINER_CWD_ERROR, container_name, cwd);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if ((oph_odb_fs_check_folder_session(folder_id, ((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->sessionid, oDB, &permission)) || !permission) {
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work in this folder\n", user);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_RESTORECONTAINER_DATACUBE_PERMISSION_ERROR, container_name, user);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}


	if ((oph_odb_fs_retrieve_container_id_from_container_name(oDB, folder_id, container_name, 1, &id_container_out))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Output container doesn't exist or it isn't hidden\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_RESTORECONTAINER_OUTPUT_CONTAINER_EXIST_ERROR_NO_CONTAINER, container_name, container_name);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if (id_container_out) {

		((OPH_RESTORECONTAINER_operator_handle *) handle->operator_handle)->id_output_container = id_container_out;
		//Check if non-hidden container exists in folder
		if ((oph_odb_fs_check_if_container_not_present(oDB, container_name, folder_id, &container_exists))) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to check output container\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_container_out, OPH_LOG_OPH_RESTORECONTAINER_OUTPUT_CONTAINER_ERROR_NO_CONTAINER, container_name, container_name);
			return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
		}
		if (container_exists) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Visible container '%s' already exists in this folder\n", container_name);
			logging(LOG_ERROR, __FILE__, __LINE__, id_container_out, OPH_LOG_OPH_RESTORECONTAINER_OUTPUT_CONTAINER_EXIST_ERROR, container_name, container_name);
			return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
		}
		//If container exists then restore
		if (oph_odb_fs_set_container_hidden_status(id_container_out, 0, oDB)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to update container table\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_container_out, OPH_LOG_OPH_RESTORECONTAINER_UPDATE_CONTAINER_ERROR, container_name);
			return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
		}
	}
	return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int env_set(HASHTBL * task_tbl, oph_operator_struct * handle)
{
	if (!handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
		return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
	}

	if (!task_tbl) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null operator string\n");
		return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
	}

	if (handle->operator_handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator handle already initialized\n");
		return OPH_ANALYTICS_OPERATOR_NOT_NULL_OPERATOR_HANDLE;
	}

	if (!(handle->operator_handle = (OPH_UNPUBLISH_operator_handle *) calloc(1, sizeof(OPH_UNPUBLISH_operator_handle)))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_MEMORY_ERROR_HANDLE);
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	//1 - Set up struct to empty values
	((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->datacube_path = NULL;
	((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys = NULL;
	((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys_num = -1;
	((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->sessionid = NULL;

	//Only master process has to continue
	if (handle->proc_rank != 0)
		return OPH_ANALYTICS_OPERATOR_SUCCESS;

	ophidiadb *oDB = &((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->oDB;
	oph_odb_init_ophidiadb(oDB);

	char *datacube_name;
	int id_container = 0;
	char *value;

	// retrieve objkeys
	value = hashtbl_get(task_tbl, OPH_IN_PARAM_OBJKEY_FILTER);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_OBJKEY_FILTER);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_OBJKEY_FILTER);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (oph_tp_parse_multiple_value_param(value, &((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys, &((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys_num)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator string not valid\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, "Operator string not valid\n");
		oph_tp_free_multiple_value_param_list(((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys, ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->objkeys_num);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	// retrieve sessionid
	value = hashtbl_get(task_tbl, OPH_ARG_SESSIONID);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_SESSIONID);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_ARG_SESSIONID);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (!(((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->sessionid = (char *) strndup(value, OPH_TP_TASKLEN))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_GENERIC_MEMORY_ERROR_INPUT, "sessionid");
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	//3 - Fill struct with the correct data
	char *tmp_username = NULL;
	value = hashtbl_get(task_tbl, OPH_ARG_USERNAME);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_USERNAME);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_MISSING_INPUT_PARAMETER, OPH_ARG_USERNAME);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (!(tmp_username = (char *) strndup(value, OPH_TP_TASKLEN))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_MEMORY_ERROR_INPUT, OPH_ARG_USERNAME);
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}

	value = hashtbl_get(task_tbl, OPH_IN_PARAM_DATACUBE_INPUT);
	datacube_name = value;
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_DATACUBE_INPUT);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_DATACUBE_INPUT);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}

	if (oph_odb_read_ophidiadb_config_file(oDB)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to read OphidiaDB configuration\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_OPHIDIADB_CONFIGURATION_FILE);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}

	if (oph_odb_connect_to_ophidiadb(oDB)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to connect to OphidiaDB. Check access parameters.\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_UNPUBLISH_OPHIDIADB_CONNECTION_ERROR);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}

	int id_datacube = 0;

	//Check if datacube exists (by ID container and datacube)
	int exists = 0;
	char *uri = NULL;
	int folder_id = 0;
	int permission = 0;
	if (oph_pid_parse_pid(value, &id_container, &id_datacube, &uri)) {
		if (uri)
			free(uri);
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse the PID string\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_UNPUBLISH_PID_ERROR, datacube_name);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	if ((oph_odb_cube_check_if_datacube_not_present_by_pid(oDB, uri, id_container, id_datacube, &exists)) || !exists) {
		free(uri);
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unknown input container - datacube combination\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_UNPUBLISH_NO_INPUT_DATACUBE, datacube_name);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}
	if ((oph_odb_fs_retrive_container_folder_id(oDB, id_container, 1, &folder_id))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to retrieve folder of specified datacube or container is hidden\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_UNPUBLISH_DATACUBE_FOLDER_ERROR, datacube_name);
		free(uri);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}
	if ((oph_odb_fs_check_folder_session(folder_id, ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->sessionid, oDB, &permission)) || !permission) {
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work on this datacube\n", tmp_username);
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_UNPUBLISH_DATACUBE_PERMISSION_ERROR, tmp_username);
		free(uri);
		free(tmp_username);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}
	free(tmp_username);
	free(uri);
	((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->id_input_container = id_container;

	char session_code[OPH_COMMON_BUFFER_LEN];
	oph_pid_get_session_code(hashtbl_get(task_tbl, OPH_ARG_SESSIONID), session_code);
	int n = snprintf(NULL, 0, OPH_FRAMEWORK_HTML_FILES_PATH, oph_pid_path()? oph_pid_path() : OPH_PREFIX_CLUSTER, session_code,
			 ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->id_input_container, id_datacube) + 1;
	if (n >= OPH_TP_TASKLEN) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Size of path exceeded limit.\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->id_input_container, OPH_LOG_OPH_UNPUBLISH_STRING_BUFFER_OVERFLOW, "path",
			OPH_FRAMEWORK_HTML_FILES_PATH);
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	if (!(((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->datacube_path = (char *) malloc(n * sizeof(char)))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->id_input_container, OPH_LOG_OPH_UNPUBLISH_MEMORY_ERROR_INPUT, "datacube path");
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	snprintf(((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->datacube_path, n, OPH_FRAMEWORK_HTML_FILES_PATH, oph_pid_path()? oph_pid_path() : OPH_PREFIX_CLUSTER, session_code,
		 ((OPH_UNPUBLISH_operator_handle *) handle->operator_handle)->id_input_container, id_datacube);

	return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int env_set(HASHTBL * task_tbl, oph_operator_struct * handle)
{
	if (!handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
		return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
	}

	if (!task_tbl) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null operator string\n");
		return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
	}

	if (handle->operator_handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator handle already initialized\n");
		return OPH_ANALYTICS_OPERATOR_NOT_NULL_OPERATOR_HANDLE;
	}

	if (!(handle->operator_handle = (OPH_SPLIT_operator_handle *) calloc(1, sizeof(OPH_SPLIT_operator_handle)))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SPLIT_MEMORY_ERROR_HANDLE);
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	//1 - Set up struct to empty values
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_input_datacube = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_output_datacube = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_input_container = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_output_container = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_job = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->fragment_ids = NULL;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys = NULL;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys_num = -1;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->server = NULL;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->sessionid = NULL;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_user = 0;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->description = NULL;
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->execute_error = 0;

	char *datacube_in;
	char *value;

	// retrieve objkeys
	value = hashtbl_get(task_tbl, OPH_IN_PARAM_OBJKEY_FILTER);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_OBJKEY_FILTER);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_OBJKEY_FILTER);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (oph_tp_parse_multiple_value_param(value, &((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys, &((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys_num)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator string not valid\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, "Operator string not valid\n");
		oph_tp_free_multiple_value_param_list(((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys, ((OPH_SPLIT_operator_handle *) handle->operator_handle)->objkeys_num);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	// retrieve sessionid
	value = hashtbl_get(task_tbl, OPH_ARG_SESSIONID);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_SESSIONID);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_ARG_SESSIONID);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (!(((OPH_SPLIT_operator_handle *) handle->operator_handle)->sessionid = (char *) strndup(value, OPH_TP_TASKLEN))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_GENERIC_MEMORY_ERROR_INPUT, "sessionid");
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	//3 - Fill struct with the correct data
	value = hashtbl_get(task_tbl, OPH_IN_PARAM_DATACUBE_INPUT);
	datacube_in = value;
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_DATACUBE_INPUT);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SPLIT_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_DATACUBE_INPUT);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	//For error checking
	int id_datacube_in[3] = { 0, 0, 0 };

	value = hashtbl_get(task_tbl, OPH_ARG_USERNAME);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_USERNAME);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SPLIT_MISSING_INPUT_PARAMETER, OPH_ARG_USERNAME);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	char *username = value;

	if (handle->proc_rank == 0) {
		//Only master process has to initialize and open connection to management OphidiaDB
		ophidiadb *oDB = &((OPH_SPLIT_operator_handle *) handle->operator_handle)->oDB;
		oph_odb_init_ophidiadb(oDB);

		if (oph_odb_read_ophidiadb_config_file(oDB)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to read OphidiaDB configuration\n");
			logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SPLIT_OPHIDIADB_CONFIGURATION_FILE);
			return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
		}

		if (oph_odb_connect_to_ophidiadb(oDB)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to connect to OphidiaDB. Check access parameters.\n");
			logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_SPLIT_OPHIDIADB_CONNECTION_ERROR);
			return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
		}
		//Check if datacube exists (by ID container and datacube)
		int exists = 0;
		int status = 0;
		char *uri = NULL;
		int folder_id = 0;
		int permission = 0;

		if (oph_pid_parse_pid(datacube_in, &id_datacube_in[1], &id_datacube_in[0], &uri)) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse the PID string\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_PID_ERROR, datacube_in);
			id_datacube_in[0] = 0;
			id_datacube_in[1] = 0;
		} else if ((oph_odb_cube_check_if_datacube_not_present_by_pid(oDB, uri, id_datacube_in[1], id_datacube_in[0], &exists)) || !exists) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unknown input container - datacube combination\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_NO_INPUT_DATACUBE, datacube_in);
			id_datacube_in[0] = 0;
			id_datacube_in[1] = 0;
		} else if ((oph_odb_cube_check_datacube_availability(oDB, id_datacube_in[0], 0, &status)) || !status) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "I/O nodes storing datacube aren't available\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_DATACUBE_AVAILABILITY_ERROR, datacube_in);
			id_datacube_in[0] = 0;
			id_datacube_in[1] = 0;
		} else if ((oph_odb_fs_retrive_container_folder_id(oDB, id_datacube_in[1], 1, &folder_id))) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to retrieve folder of specified datacube or container is hidden\n");
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_DATACUBE_FOLDER_ERROR, datacube_in);
			id_datacube_in[0] = 0;
			id_datacube_in[1] = 0;
		} else if ((oph_odb_fs_check_folder_session(folder_id, ((OPH_SPLIT_operator_handle *) handle->operator_handle)->sessionid, oDB, &permission)) || !permission) {
			//Check if user can work on datacube
			pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work on this datacube\n", username);
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_DATACUBE_PERMISSION_ERROR, username);
			id_datacube_in[0] = 0;
			id_datacube_in[1] = 0;
		}
		if (uri)
			free(uri);
		uri = NULL;

		if (oph_odb_user_retrieve_user_id(oDB, username, &(((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_user))) {
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to extract userid.\n");
			logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_input_container, OPH_LOG_GENERIC_USER_ID_ERROR);
			return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
		}

		id_datacube_in[2] = id_datacube_in[1];
		if (id_datacube_in[1]) {
			value = hashtbl_get(task_tbl, OPH_IN_PARAM_CONTAINER_INPUT);
			if (!value) {
				pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_CONTAINER_INPUT);
				logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_CONTAINER_INPUT);
				return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
			}
			if (strncmp(value, OPH_COMMON_DEFAULT_EMPTY_VALUE, OPH_TP_TASKLEN)) {
				if (oph_odb_fs_retrieve_container_id_from_container_name(oDB, folder_id, value, 0, &id_datacube_in[2])) {
					pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to retrieve folder of specified container or it is hidden\n");
					logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_GENERIC_DATACUBE_FOLDER_ERROR, value);
					id_datacube_in[0] = 0;
					id_datacube_in[1] = 0;
				}
			}
		}
	}
	//Broadcast to all other processes the fragment relative index        
	MPI_Bcast(id_datacube_in, 3, MPI_INT, 0, MPI_COMM_WORLD);

	//Check if sequential part has been completed
	if (id_datacube_in[0] == 0) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Master procedure or broadcasting has failed\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_NO_INPUT_DATACUBE, datacube_in);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_input_datacube = id_datacube_in[0];
	if (id_datacube_in[1] == 0) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Master procedure or broadcasting has failed\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_NO_INPUT_CONTAINER, datacube_in);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_input_container = id_datacube_in[1];
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_output_container = id_datacube_in[2];

	value = hashtbl_get(task_tbl, OPH_IN_PARAM_SCHEDULE_ALGORITHM);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_SCHEDULE_ALGORITHM);
		logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_SCHEDULE_ALGORITHM);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->schedule_algo = (int) strtol(value, NULL, 10);

	value = hashtbl_get(task_tbl, OPH_IN_PARAM_SPLIT_IN_FRAGMENTS);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_SPLIT_IN_FRAGMENTS);
		logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_SPLIT_IN_FRAGMENTS);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	((OPH_SPLIT_operator_handle *) handle->operator_handle)->split_number = (int) strtol(value, NULL, 10);

	value = hashtbl_get(task_tbl, OPH_ARG_IDJOB);
	if (!value)
		((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_job = 0;
	else
		((OPH_SPLIT_operator_handle *) handle->operator_handle)->id_job = (int) strtol(value, NULL, 10);

	value = hashtbl_get(task_tbl, OPH_IN_PARAM_DESCRIPTION);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_DESCRIPTION);
		logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_DESCRIPTION);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (strncmp(value, OPH_COMMON_DEFAULT_EMPTY_VALUE, OPH_TP_TASKLEN)) {
		if (!(((OPH_SPLIT_operator_handle *) handle->operator_handle)->description = (char *) strndup(value, OPH_TP_TASKLEN))) {
			logging(LOG_ERROR, __FILE__, __LINE__, id_datacube_in[1], OPH_LOG_OPH_SPLIT_MEMORY_ERROR_INPUT, "description");
			pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
			return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
		}
	}

	return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int env_set(HASHTBL * task_tbl, oph_operator_struct * handle)
{
	if (!handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
		return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
	}

	if (!task_tbl) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Null operator string\n");
		return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
	}

	if (handle->operator_handle) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator handle already initialized\n");
		return OPH_ANALYTICS_OPERATOR_NOT_NULL_OPERATOR_HANDLE;
	}

	if (!(handle->operator_handle = (OPH_CUBEIO_operator_handle *) calloc(1, sizeof(OPH_CUBEIO_operator_handle)))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_MEMORY_ERROR_HANDLE);
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}
	//1 - Set up struct to empty values
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->direction = 0;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->id_input_container = 0;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->id_input_datacube = 0;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->datacube_name = NULL;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys = NULL;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys_num = -1;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->sessionid = NULL;

	ophidiadb *oDB = &((OPH_CUBEIO_operator_handle *) handle->operator_handle)->oDB;

	//Only master process has to continue
	if (handle->proc_rank != 0)
		return OPH_ANALYTICS_OPERATOR_SUCCESS;

	oph_odb_init_ophidiadb(oDB);


	//3 - Fill struct with the correct data
	char *datacube_name, *value;

	// retrieve objkeys
	value = hashtbl_get(task_tbl, OPH_IN_PARAM_OBJKEY_FILTER);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_OBJKEY_FILTER);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_OBJKEY_FILTER);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (oph_tp_parse_multiple_value_param(value, &((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys, &((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys_num)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator string not valid\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, "Operator string not valid\n");
		oph_tp_free_multiple_value_param_list(((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys, ((OPH_CUBEIO_operator_handle *) handle->operator_handle)->objkeys_num);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	// retrieve sessionid
	value = hashtbl_get(task_tbl, OPH_ARG_SESSIONID);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_SESSIONID);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_ARG_SESSIONID);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (!(((OPH_CUBEIO_operator_handle *) handle->operator_handle)->sessionid = (char *) strndup(value, OPH_TP_TASKLEN))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_GENERIC_MEMORY_ERROR_INPUT, "sessionid");
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}

	value = hashtbl_get(task_tbl, OPH_IN_PARAM_DATACUBE_INPUT);
	datacube_name = value;
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_DATACUBE_INPUT);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_DATACUBE_INPUT);

		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}

	if (oph_odb_read_ophidiadb_config_file(oDB)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to read OphidiaDB configuration\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_OPHIDIADB_CONFIGURATION_FILE);

		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	}

	if (oph_odb_connect_to_ophidiadb(oDB)) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to connect to OphidiaDB. Check access parameters.\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_OPHIDIADB_CONNECTION_ERROR);

		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}

	value = hashtbl_get(task_tbl, OPH_ARG_USERNAME);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_USERNAME);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_MISSING_INPUT_PARAMETER, OPH_ARG_USERNAME);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	char *username = value;

	int id_container = 0, id_datacube = 0;

	//Check if datacube exists (by ID container and datacube)
	int exists = 0;
	char *uri = NULL;
	int folder_id = 0;
	int permission = 0;

	if (oph_pid_parse_pid(datacube_name, &id_container, &id_datacube, &uri)) {
		if (uri)
			free(uri);
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse the PID string\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_CUBEIO_PID_ERROR, datacube_name);
		return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
	} else if ((oph_odb_cube_check_if_datacube_not_present_by_pid(oDB, uri, id_container, id_datacube, &exists)) || !exists) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unknown input container - datacube combination\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_CUBEIO_NO_INPUT_DATACUBE, datacube_name);
		free(uri);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	} else if ((oph_odb_fs_retrive_container_folder_id(oDB, id_container, 1, &folder_id))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to retrieve folder of specified datacube or container is hidden\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_CUBEIO_DATACUBE_FOLDER_ERROR, datacube_name);
		free(uri);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	} else if ((oph_odb_fs_check_folder_session(folder_id, ((OPH_CUBEIO_operator_handle *) handle->operator_handle)->sessionid, oDB, &permission)) || !permission) {
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work on this datacube\n", username);
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_CUBEIO_DATACUBE_PERMISSION_ERROR, username);
		free(uri);
		return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
	}

	free(uri);
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->id_input_container = id_container;
	((OPH_CUBEIO_operator_handle *) handle->operator_handle)->id_input_datacube = id_datacube;


	if (!(((OPH_CUBEIO_operator_handle *) handle->operator_handle)->datacube_name = (char *) strndup(datacube_name, OPH_TP_TASKLEN))) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, id_container, OPH_LOG_OPH_CUBEIO_MEMORY_ERROR_INPUT, "datacube name");

		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	}


	value = hashtbl_get(task_tbl, OPH_IN_PARAM_CUBEIO_HIERARCHY_DIRECTION);
	if (!value) {
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_CUBEIO_HIERARCHY_DIRECTION);
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_CUBEIO_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_CUBEIO_HIERARCHY_DIRECTION);

		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	}
	if (strcmp(value, OPH_CUBEIO_PARENT_VALUE) == 0)
		((OPH_CUBEIO_operator_handle *) handle->operator_handle)->direction = OPH_CUBEIO_BRANCH_IN;
	else if (strcmp(value, OPH_CUBEIO_CHILDREN_VALUE) == 0)
		((OPH_CUBEIO_operator_handle *) handle->operator_handle)->direction = OPH_CUBEIO_BRANCH_OUT;
	else
		((OPH_CUBEIO_operator_handle *) handle->operator_handle)->direction = OPH_CUBEIO_BRANCH_BOTH;

	return OPH_ANALYTICS_OPERATOR_SUCCESS;
}
int env_set (HASHTBL *task_tbl, oph_operator_struct *handle)
{
  if (!handle){
  	pmesg(LOG_ERROR, __FILE__, __LINE__, "Null Handle\n");
 	logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_NULL_OPERATOR_HANDLE);
	  return OPH_ANALYTICS_OPERATOR_NULL_OPERATOR_HANDLE;
  }

  if (!task_tbl){
	  pmesg(LOG_ERROR, __FILE__, __LINE__, "Null operator string\n");
 	  logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_NULL_TASK_TABLE);
      return OPH_ANALYTICS_OPERATOR_BAD_PARAMETER;
  }

  if (handle->operator_handle){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator handle already initialized\n");
 	logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_HANDLE_ALREADY_INITIALIZED);
    return OPH_ANALYTICS_OPERATOR_NOT_NULL_OPERATOR_HANDLE;
  }

  if (!(handle->operator_handle = (OPH_METADATA_operator_handle *) calloc (1, sizeof (OPH_METADATA_operator_handle)))){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
	logging(LOG_ERROR,__FILE__,__LINE__, OPH_GENERIC_CONTAINER_ID,OPH_LOG_OPH_METADATA_MEMORY_ERROR_HANDLE);
    return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
  }

  //1 - Set up struct to empty values
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_datacube_input = 0;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input = 0;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_id = 0;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_id_str = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys_num = 0;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->variable = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_type = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_type_filter = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_value = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_value_filter = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->mode = -1;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->force = 0;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->user = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys_num = -1;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->sessionid = NULL;
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->userrole = OPH_ROLE_NONE;

  ophidiadb *oDB = &((OPH_METADATA_operator_handle*)handle->operator_handle)->oDB;

  //Only master process has to continue
  if (handle->proc_rank != 0)
	return OPH_ANALYTICS_OPERATOR_SUCCESS;

  oph_odb_init_ophidiadb(oDB);

  if(oph_odb_read_ophidiadb_config_file(oDB)){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to read OphidiaDB configuration\n");
    logging(LOG_ERROR,__FILE__,__LINE__, OPH_GENERIC_CONTAINER_ID,OPH_LOG_OPH_METADATA_OPHIDIADB_CONFIGURATION_FILE_NO_CONTAINER);
    return OPH_ANALYTICS_OPERATOR_UTILITY_ERROR;
  }

  if(oph_odb_connect_to_ophidiadb(oDB)){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to connect to OphidiaDB. Check access parameters.\n");
    logging(LOG_ERROR,__FILE__,__LINE__, OPH_GENERIC_CONTAINER_ID,OPH_LOG_OPH_METADATA_OPHIDIADB_CONNECTION_ERROR_NO_CONTAINER);
    return OPH_ANALYTICS_OPERATOR_MYSQL_ERROR;
  }

  //3 - Fill struct with the correct data

  char *value;

  // retrieve objkeys
  value = hashtbl_get(task_tbl, OPH_IN_PARAM_OBJKEY_FILTER);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_OBJKEY_FILTER);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_OBJKEY_FILTER );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(oph_tp_parse_multiple_value_param(value, &((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys, &((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys_num)){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator string not valid\n");
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, "Operator string not valid\n");
    oph_tp_free_multiple_value_param_list(((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys, ((OPH_METADATA_operator_handle*)handle->operator_handle)->objkeys_num);
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }

  // retrieve sessionid
  value = hashtbl_get(task_tbl, OPH_ARG_SESSIONID);
  if(!value){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_SESSIONID);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_FRAMEWORK_MISSING_INPUT_PARAMETER, OPH_ARG_SESSIONID);
	return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->sessionid = (char *) strndup (value, OPH_TP_TASKLEN))){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_GENERIC_MEMORY_ERROR_INPUT, "sessionid" );
	return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_MODE);
  if(!value){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_MODE);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_MODE );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if (!strcasecmp(value,OPH_METADATA_MODE_INSERT)) {
      ((OPH_METADATA_operator_handle*)handle->operator_handle)->mode = OPH_METADATA_MODE_INSERT_VALUE;
  } else if (!strcasecmp(value,OPH_METADATA_MODE_READ)) {
      ((OPH_METADATA_operator_handle*)handle->operator_handle)->mode = OPH_METADATA_MODE_READ_VALUE;
  } else if (!strcasecmp(value,OPH_METADATA_MODE_UPDATE)) {
      ((OPH_METADATA_operator_handle*)handle->operator_handle)->mode = OPH_METADATA_MODE_UPDATE_VALUE;
  } else if (!strcasecmp(value,OPH_METADATA_MODE_DELETE)) {
      ((OPH_METADATA_operator_handle*)handle->operator_handle)->mode = OPH_METADATA_MODE_DELETE_VALUE;
  } else {
      pmesg(LOG_ERROR, __FILE__, __LINE__, "Invalid input parameter %s\n", value);
      logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_INVALID_INPUT_PARAMETER, value );
      return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }

  //Check if user can access container and retrieve container id
  value = hashtbl_get(task_tbl, OPH_ARG_USERNAME);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_USERNAME);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_ARG_USERNAME );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->user = (char *) strdup(value))){
      pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
      logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_ARG_USERNAME );
      return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_DATACUBE_INPUT);
  if(!value){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_DATACUBE_INPUT);
	logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_DATACUBE_INPUT );
	return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
	  //Check if datacube exists (by ID container and datacube)
	  int exists = 0;
	  int status = 0;
	  int folder_id = 0;
	  int permission = 0;
	  char *uri = NULL;
	  if(oph_pid_parse_pid(value, &(((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input), &(((OPH_METADATA_operator_handle*)handle->operator_handle)->id_datacube_input), &uri)){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to parse the PID string\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, OPH_LOG_OPH_METADATA_PID_ERROR, value );
		if(uri) free(uri);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	  }
	  else if((oph_odb_cube_check_if_datacube_not_present_by_pid(oDB, uri, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_datacube_input, &exists)) || !exists){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unknown input container - datacube combination\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, OPH_LOG_OPH_METADATA_NO_INPUT_DATACUBE, value );
		if(uri) free(uri);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	  }
	  else if((oph_odb_cube_check_datacube_availability(oDB, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_datacube_input, 0, &status)) || !status){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "I/O nodes storing datacube aren't available\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, OPH_LOG_OPH_METADATA_DATACUBE_AVAILABILITY_ERROR, value );
		if(uri) free(uri);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	  }
	  else if((oph_odb_fs_retrive_container_folder_id(oDB, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, 1, &folder_id))){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Unable to retrieve folder of specified datacube or container is hidden\n");
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, OPH_LOG_OPH_METADATA_DATACUBE_FOLDER_ERROR, value );
		if(uri) free(uri);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	  }
	  else if((oph_odb_fs_check_folder_session(folder_id, ((OPH_METADATA_operator_handle*)handle->operator_handle)->sessionid, oDB, &permission)) || !permission){
		//Check if user can work on datacube
		pmesg(LOG_ERROR, __FILE__, __LINE__, "User %s is not allowed to work on this datacube\n", ((OPH_METADATA_operator_handle*)handle->operator_handle)->user);
		logging(LOG_ERROR, __FILE__, __LINE__, ((OPH_METADATA_operator_handle*)handle->operator_handle)->id_container_input, OPH_LOG_OPH_METADATA_DATACUBE_PERMISSION_ERROR, ((OPH_METADATA_operator_handle*)handle->operator_handle)->user );
		if(uri) free(uri);
		return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
	  }
	if(uri) free(uri);
	uri = NULL;

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_KEY);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_KEY);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_KEY );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(oph_tp_parse_multiple_value_param(value, &((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys, &((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys_num)){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Operator string not valid\n");
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_INVALID_INPUT_STRING);
    oph_tp_free_multiple_value_param_list(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys, ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys_num);
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  //If first value supplied as key is ALL, then free the structure and set values to NULL and 0
  if(strncmp(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys[0], OPH_COMMON_ALL_FILTER, strlen(OPH_COMMON_ALL_FILTER)) == 0){
	oph_tp_free_multiple_value_param_list(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys, ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys_num);
	((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys = NULL;
	((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_keys_num = 0;
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_ID);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_ID);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_ID );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_id_str = (char *) strdup(value))){
      pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
      logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_ID );
      return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
  }
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_id = (int)strtol(value,NULL,10);

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_VARIABLE);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_VARIABLE);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_VARIABLE );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if (strcasecmp(value,OPH_COMMON_GLOBAL_VALUE)) {
	  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->variable = (char *) strdup(value))){
	      pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
	      logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_VARIABLE );
	      return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	  }
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_TYPE);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_TYPE);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_TYPE );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_type = (char *) strdup(value))){
      pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
      logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_TYPE );
      return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_VALUE);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_VALUE);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_VALUE );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(strncmp(value, OPH_COMMON_DEFAULT_EMPTY_VALUE, OPH_TP_TASKLEN) != 0){
	  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_value = (char *) strdup(value))){
		  pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		  logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_VALUE );
		  return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	  }
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_TYPE_FILTER);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_TYPE_FILTER);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_TYPE_FILTER );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(strcasecmp(value,OPH_COMMON_ALL_FILTER) != 0){
	  if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_type_filter = (char *) strdup(value))){
		pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
		logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_TYPE_FILTER );
		return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
	  }
  } else {
      if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_type_filter = (char *) strdup("%"))){
        pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
        logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_TYPE_FILTER );
        return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
      }
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_METADATA_VALUE_FILTER);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_METADATA_VALUE_FILTER);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_METADATA_VALUE_FILTER );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(strcasecmp(value,OPH_COMMON_ALL_FILTER) != 0){
      if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_value_filter = (char *) strdup(value))){
        pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
        logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_VALUE_FILTER );
        return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
      }
  } else {
      if(!(((OPH_METADATA_operator_handle*)handle->operator_handle)->metadata_value_filter = (char *) strdup("%"))){
        pmesg(LOG_ERROR, __FILE__, __LINE__, "Error allocating memory\n");
        logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MEMORY_ERROR_INPUT, OPH_IN_PARAM_METADATA_VALUE_FILTER );
        return OPH_ANALYTICS_OPERATOR_MEMORY_ERR;
      }
  }

  value = hashtbl_get(task_tbl, OPH_IN_PARAM_FORCE);
  if(!value){
	pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_IN_PARAM_FORCE);
	logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_IN_PARAM_FORCE );
	return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  if(strcmp(value,OPH_COMMON_YES_VALUE) == 0){
	  ((OPH_METADATA_operator_handle*)handle->operator_handle)->force = 1;
  }

  value = hashtbl_get(task_tbl, OPH_ARG_USERROLE);
  if(!value){
    pmesg(LOG_ERROR, __FILE__, __LINE__, "Missing input parameter %s\n", OPH_ARG_USERROLE);
    logging(LOG_ERROR, __FILE__, __LINE__, OPH_GENERIC_CONTAINER_ID, OPH_LOG_OPH_METADATA_MISSING_INPUT_PARAMETER, OPH_ARG_USERROLE );
    return OPH_ANALYTICS_OPERATOR_INVALID_PARAM;
  }
  ((OPH_METADATA_operator_handle*)handle->operator_handle)->userrole = (int)strtol(value, NULL, 10);

  return OPH_ANALYTICS_OPERATOR_SUCCESS;
}