Xuanwo commented on code in PR #2878: URL: https://github.com/apache/incubator-opendal/pull/2878#discussion_r1298579038
########## core/src/services/atomicdata/backend.rs: ########## @@ -0,0 +1,190 @@ +// 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. + +use std::collections::HashMap; +use std::fmt::Debug; +use std::fmt::Formatter; +use std::sync::Arc; + +use base64::prelude::BASE64_STANDARD; +use base64::Engine; + +use atomic_lib::errors::AtomicError; +use atomic_lib::storelike::Query; +use atomic_lib::Store; +use atomic_lib::Storelike; + +use async_trait::async_trait; + +use crate::raw::adapters::kv; +use crate::raw::normalize_root; +use crate::Builder; +use crate::Scheme; +use crate::*; + +/// Atomicdata service support. +#[doc = include_str!("docs.md")] +#[derive(Default)] +pub struct AtomicdataBuilder { + root: Option<String>, +} + +impl AtomicdataBuilder { + /// Set the root for Atomicdata. + pub fn root(&mut self, path: &str) -> &mut Self { + self.root = Some(path.into()); + self + } +} + +impl Builder for AtomicdataBuilder { + const SCHEME: Scheme = Scheme::Atomicdata; + type Accessor = AtomicdataBackend; + + fn from_map(map: HashMap<String, String>) -> Self { + let mut builder = AtomicdataBuilder::default(); + + map.get("root").map(|v| builder.root(v)); + + builder + } + + fn build(&mut self) -> Result<Self::Accessor> { + let store = atomic_lib::Store::init().unwrap(); + + let agent = store.create_agent(Some("local_agent")).unwrap(); + store.set_default_agent(agent); + + let store = Arc::new(store); + + let root = normalize_root( + self.root + .clone() + .unwrap_or_else(|| "/".to_string()) + .as_str(), + ); + + Ok(AtomicdataBackend::new(Adapter { store }).with_root(&root)) + } +} + +/// Backend for Atomicdata services. +pub type AtomicdataBackend = kv::Backend<Adapter>; + +const KEY_PROPERTY: &str = "https://atomicdata.dev/properties/name";; Review Comment: We should allow user to specify the atomic data server address they want to use. `atomicdata.dev` is just to testing purpose. ########## core/src/services/atomicdata/backend.rs: ########## @@ -0,0 +1,190 @@ +// 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. + +use std::collections::HashMap; +use std::fmt::Debug; +use std::fmt::Formatter; +use std::sync::Arc; + +use base64::prelude::BASE64_STANDARD; +use base64::Engine; + +use atomic_lib::errors::AtomicError; +use atomic_lib::storelike::Query; +use atomic_lib::Store; +use atomic_lib::Storelike; + +use async_trait::async_trait; + +use crate::raw::adapters::kv; +use crate::raw::normalize_root; +use crate::Builder; +use crate::Scheme; +use crate::*; + +/// Atomicdata service support. +#[doc = include_str!("docs.md")] +#[derive(Default)] +pub struct AtomicdataBuilder { + root: Option<String>, +} + +impl AtomicdataBuilder { + /// Set the root for Atomicdata. + pub fn root(&mut self, path: &str) -> &mut Self { + self.root = Some(path.into()); + self + } +} + +impl Builder for AtomicdataBuilder { + const SCHEME: Scheme = Scheme::Atomicdata; + type Accessor = AtomicdataBackend; + + fn from_map(map: HashMap<String, String>) -> Self { + let mut builder = AtomicdataBuilder::default(); + + map.get("root").map(|v| builder.root(v)); + + builder + } + + fn build(&mut self) -> Result<Self::Accessor> { + let store = atomic_lib::Store::init().unwrap(); + + let agent = store.create_agent(Some("local_agent")).unwrap(); + store.set_default_agent(agent); + + let store = Arc::new(store); + + let root = normalize_root( + self.root + .clone() + .unwrap_or_else(|| "/".to_string()) + .as_str(), + ); + + Ok(AtomicdataBackend::new(Adapter { store }).with_root(&root)) + } +} + +/// Backend for Atomicdata services. +pub type AtomicdataBackend = kv::Backend<Adapter>; + +const KEY_PROPERTY: &str = "https://atomicdata.dev/properties/name";; +const VALUE_PROPERTY: &str = "https://atomicdata.dev/properties/atom/value";; + +#[derive(Clone)] +pub struct Adapter { + store: Arc<Store>, +} + +impl Debug for Adapter { + fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { + let mut ds = f.debug_struct("Adapter"); + ds.finish() + } +} + +#[async_trait] +impl kv::Adapter for Adapter { + fn metadata(&self) -> kv::Metadata { + kv::Metadata::new( + Scheme::Atomicdata, + "atomicdata", + Capability { + read: true, + write: true, + delete: true, + create_dir: true, + blocking: true, Review Comment: Please remove `blocking` since we not support it yet. -- This is an automated message from the Apache Git Service. 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