4

そのため、OpenAPI ジェネレーターを使用しようとしていますが、これまでのところ、さまざまな結果が得られています。

再現する手順：

  1. openapi ジェネレーター jar をダウンロードします。wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator/4.0.3/openapi-generator-4.0.3.jar
  2. ペットストアの例の springboot サーバーを生成します。java -jar openapi-generator-cli-4.0.3.jar generate -g spring -i https://raw.githubusercontent.com/OAI/OpenAPI-Specification/master/examples/v3.0/petstore.yaml

最終的には、次のようなコントローラー クラスになります。

package org.openapitools.api;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.context.request.NativeWebRequest;
import java.util.Optional;
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.SpringCodegen", date = "2019-08-06T15:08:49.070+01:00[Europe/London]")

@Controller
@RequestMapping("${openapi.swaggerPetstore.base-path:/v1}")
public class PetsApiController implements PetsApi {

    private final NativeWebRequest request;

    @org.springframework.beans.factory.annotation.Autowired
    public PetsApiController(NativeWebRequest request) {
        this.request = request;
    }

    @Override
    public Optional<NativeWebRequest> getRequest() {
        return Optional.ofNullable(request);
    }

}

/**
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.0.3).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */
package org.openapitools.api;

import org.openapitools.model.Error;
import org.openapitools.model.Pet;
import io.swagger.annotations.*;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.multipart.MultipartFile;

import javax.validation.Valid;
import javax.validation.constraints.*;
import java.util.List;
import java.util.Map;
import java.util.Optional;
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.SpringCodegen", date = "2019-08-06T15:08:49.070+01:00[Europe/London]")

@Validated
@Api(value = "pets", description = "the pets API")
public interface PetsApi {

    default Optional<NativeWebRequest> getRequest() {
        return Optional.empty();
    }

    @ApiOperation(value = "Create a pet", nickname = "createPets", notes = "", tags={ "pets", })
    @ApiResponses(value = { 
        @ApiResponse(code = 201, message = "Null response"),
        @ApiResponse(code = 200, message = "unexpected error", response = Error.class) })
    @RequestMapping(value = "/pets",
        produces = { "application/json" }, 
        method = RequestMethod.POST)
    default ResponseEntity<Void> createPets() {
        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);

    }


    @ApiOperation(value = "List all pets", nickname = "listPets", notes = "", response = Pet.class, responseContainer = "List", tags={ "pets", })
    @ApiResponses(value = { 
        @ApiResponse(code = 200, message = "A paged array of pets", response = Pet.class, responseContainer = "List"),
        @ApiResponse(code = 200, message = "unexpected error", response = Error.class) })
    @RequestMapping(value = "/pets",
        produces = { "application/json" }, 
        method = RequestMethod.GET)
    default ResponseEntity<List<Pet>> listPets(@ApiParam(value = "How many items to return at one time (max 100)") @Valid @RequestParam(value = "limit", required = false) Integer limit) {
        getRequest().ifPresent(request -> {
            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                if (mediaType.isCompatibleWith(MediaType.valueOf("application/json"))) {
                    ApiUtil.setExampleResponse(request, "application/json", "null");
                    break;
                }
            }
        });
        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);

    }


    @ApiOperation(value = "Info for a specific pet", nickname = "showPetById", notes = "", response = Pet.class, tags={ "pets", })
    @ApiResponses(value = { 
        @ApiResponse(code = 200, message = "Expected response to a valid request", response = Pet.class),
        @ApiResponse(code = 200, message = "unexpected error", response = Error.class) })
    @RequestMapping(value = "/pets/{petId}",
        produces = { "application/json" }, 
        method = RequestMethod.GET)
    default ResponseEntity<Pet> showPetById(@ApiParam(value = "The id of the pet to retrieve",required=true) @PathVariable("petId") String petId) {
        getRequest().ifPresent(request -> {
            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                if (mediaType.isCompatibleWith(MediaType.valueOf("application/json"))) {
                    ApiUtil.setExampleResponse(request, "application/json", "null");
                    break;
                }
            }
        });
        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);

    }

}

私の質問は次のとおりです。私が見つけることができるすべては、Spring Controller がマルチスレッドであり、一度に複数の要求を処理できることを意味します。コードジェネレーターが壊れていませんか? 私はこれを完全に間違って解釈していますか？

のコンストラクターPetsApiControllerは私に一時停止を与えます。リクエストごとに1回自動配線されている場合、それはリクエストごとに1つしかないことを意味しますか?

    @org.springframework.beans.factory.annotation.Autowired
    public PetsApiController(NativeWebRequest request) {
        this.request = request;
    }
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