| // 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. |
| |
| package appproto |
| |
| import ( |
| "context" |
| "errors" |
| ) |
| |
| import ( |
| "go.uber.org/zap" |
| |
| "google.golang.org/protobuf/types/pluginpb" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/app" |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/protodescriptor" |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/thread" |
| ) |
| |
| type generator struct { |
| logger *zap.Logger |
| handler Handler |
| } |
| |
| func newGenerator( |
| logger *zap.Logger, |
| handler Handler, |
| ) *generator { |
| return &generator{ |
| logger: logger, |
| handler: handler, |
| } |
| } |
| |
| func (g *generator) Generate( |
| ctx context.Context, |
| container app.EnvStderrContainer, |
| requests []*pluginpb.CodeGeneratorRequest, |
| ) (*pluginpb.CodeGeneratorResponse, error) { |
| responseBuilder := newResponseBuilder(container) |
| jobs := make([]func(context.Context) error, len(requests)) |
| for i, request := range requests { |
| request := request |
| jobs[i] = func(ctx context.Context) error { |
| if err := protodescriptor.ValidateCodeGeneratorRequest(request); err != nil { |
| return err |
| } |
| return g.handler.Handle(ctx, container, responseBuilder, request) |
| } |
| } |
| ctx, cancel := context.WithCancel(ctx) |
| defer cancel() |
| if err := thread.Parallelize(ctx, jobs, thread.ParallelizeWithCancel(cancel)); err != nil { |
| return nil, err |
| } |
| response := responseBuilder.toResponse() |
| if err := protodescriptor.ValidateCodeGeneratorResponse(response); err != nil { |
| return nil, err |
| } |
| if errString := response.GetError(); errString != "" { |
| return nil, errors.New(errString) |
| } |
| return response, nil |
| } |