org.babyfish.jimmer.spring.cloud.MicroServiceExporterController Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jimmer-spring-boot-starter Show documentation
A revolutionary ORM framework for both java and kotlin
There is a newer version: 0.9.19
Show newest version
package org.babyfish.jimmer.spring.cloud;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.CollectionType;
import com.fasterxml.jackson.databind.type.SimpleType;
import io.swagger.v3.oas.annotations.Hidden;
import org.babyfish.jimmer.client.ApiIgnore;
import org.babyfish.jimmer.impl.util.Classes;
import org.babyfish.jimmer.meta.ImmutableProp;
import org.babyfish.jimmer.runtime.ImmutableSpi;
import org.babyfish.jimmer.sql.JSqlClient;
import org.babyfish.jimmer.sql.ast.tuple.Tuple2;
import org.babyfish.jimmer.sql.fetcher.Fetcher;
import org.babyfish.jimmer.sql.fetcher.compiler.FetcherCompiler;
import org.babyfish.jimmer.sql.runtime.MicroServiceExporter;
import org.springframework.http.MediaType;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import java.io.IOException;
import java.util.List;

@Hidden
@ApiIgnore
@RestController
@Transactional(readOnly = true)
public class MicroServiceExporterController {

    public static final String BY_IDS = "/jimmerMicroServiceBridge/byIds";

    public static final String BY_ASSOCIATED_IDS = "/jimmerMicroServiceBridge/byAssociatedIds";

    public static final String IDS = "ids";

    public static final String PROP = "prop";

    public static final String TARGET_IDS = "targetIds";

    public static final String FETCHER = "fetcher";

    private final MicroServiceExporter exporter;

    private final ObjectMapper mapper;

    public MicroServiceExporterController(JSqlClient sqlClient, ObjectMapper mapper) {
        this.exporter = new MicroServiceExporter(sqlClient);
        this.mapper = mapper;
    }

    @GetMapping(value = BY_IDS, produces = MediaType.APPLICATION_JSON_VALUE)
    public List findByIds(
            @RequestParam(IDS) String idArrStr,
            @RequestParam(FETCHER) String fetcherStr
    ) throws IOException {
        Fetcher fetcher = FetcherCompiler.compile(fetcherStr);
        Class idType = fetcher.getImmutableType().getIdProp().getElementClass();
        List ids = mapper.readValue(
                idArrStr,
                CollectionType.construct(
                        List.class,
                        null,
                        null,
                        null,
                        SimpleType.constructUnsafe(Classes.boxTypeOf(idType))
                )
        );
        return exporter.findByIds(ids, fetcher);
    }

    @GetMapping(value = BY_ASSOCIATED_IDS, produces = MediaType.APPLICATION_JSON_VALUE)
    public List> findByAssociatedIds(
            @RequestParam(PROP) String prop,
            @RequestParam(TARGET_IDS) String targetIdArrStr,
            @RequestParam(FETCHER) String fetcherStr
    ) throws Exception {
        Fetcher fetcher = FetcherCompiler.compile(fetcherStr);
        ImmutableProp immutableProp = fetcher.getImmutableType().getProp(prop);
        Class targetIdType = immutableProp.getTargetType().getIdProp().getElementClass();
        List targetIds = mapper.readValue(
                targetIdArrStr,
                CollectionType.construct(
                        List.class,
                        null,
                        null,
                        null,
                        SimpleType.constructUnsafe(Classes.boxTypeOf(targetIdType))
                )
        );
        return exporter.findByAssociatedIds(
                immutableProp,
                targetIds,
                fetcher
        );
    }
}