| --[[ |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| |
| ]] |
| |
| --- OpenDAL operator. |
| -- @classmod opendal.operator |
| -- @pragma nostrip |
| |
| local _M = {} |
| |
| --- Construct an operator based on scheme and option. Uses an table of key-value pairs to initialize |
| --- the operator based on provided scheme and options. For each scheme, i.e. Backend, |
| --- different options could be set, you may reference the https://opendal.apache.org/docs/category/services/ |
| --- for each service, especially for the **Configuration Part**. |
| -- @param string scheme the service scheme you want to specify, e.g. "fs", "s3" |
| -- @param table options the table to the options for this operators |
| -- @return table, error opendal operator table which contain opendal operator instance, error nil if success, others otherwise |
| -- @function new |
| |
| |
| --- Blockingly write raw bytes to path. |
| --- Write the bytes into the path blockingly, returns nil if success, others otherwise |
| -- @param string path the designated path you want to write your bytes in |
| -- @param string bytes the bytes to be written |
| -- @return error nil if success, otherwise error message |
| -- @function write |
| |
| --- Blockingly read raw bytes from path. |
| --- Read the data out from `path` blockingly by operator, returns the string if success, others otherwise |
| -- @param string path the designated path you want to write your bytes in |
| -- @return string, error read data, error nil if success, otherwise error message |
| -- @function read |
| |
| --- Blockingly delete the object in path. |
| --- Delete the object in path blockingly, returns error nil |
| --- if success, others otherwise |
| -- @param string path the designated path you want to write your delete |
| -- @return error error nil if success, otherwise error message |
| -- @function delete |
| |
| --- Blockingly rename the object of src to dst. |
| --- Rename the object in path blockingly, returns error nil |
| --- if success, others otherwise |
| -- @param string src the designated path you want to rename your source path |
| -- @param string dst the designated path you want to rename your destination path |
| -- @return error error nil if success, otherwise error message |
| -- @function rename |
| |
| --- Blockingly create the object in path. |
| --- Create directory the object in path blockingly, returns error nil |
| --- if success, others otherwise |
| -- @param string path the designated path you want to create your directory |
| -- @return error error nil if success, otherwise error message |
| -- @function create_dir |
| |
| --- Check whether the path exists. |
| -- @param string path the designated path you want to write your delete |
| -- @return bool, error true or false depend on operator instance and path, error nil if success, otherwise error message |
| -- @function is_exist |
| |
| --- Stat the path, return its metadata. |
| -- @param string ,path the designated path you want to write your delete |
| -- @return table , error opendal.metadata instance table, error nil if success, otherwise error message |
| -- @function stat |
| |
| |
| return _M |