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@@ -1,10 +1,8 @@
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package cn.iocoder.yudao.module.infra.service.file;
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-import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.io.resource.ResourceUtil;
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import cn.hutool.core.util.IdUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
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import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
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import cn.iocoder.yudao.framework.common.util.validation.ValidationUtils;
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import cn.iocoder.yudao.framework.file.core.client.FileClient;
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@@ -17,22 +15,22 @@ import cn.iocoder.yudao.module.infra.controller.admin.file.vo.config.FileConfigU
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import cn.iocoder.yudao.module.infra.convert.file.FileConfigConvert;
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import cn.iocoder.yudao.module.infra.dal.dataobject.file.FileConfigDO;
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import cn.iocoder.yudao.module.infra.dal.mysql.file.FileConfigMapper;
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+import com.google.common.cache.CacheLoader;
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+import com.google.common.cache.LoadingCache;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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-import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.validation.annotation.Validated;
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-import javax.annotation.PostConstruct;
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import javax.annotation.Resource;
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import javax.validation.Validator;
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-import java.time.LocalDateTime;
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-import java.util.List;
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+import java.time.Duration;
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import java.util.Map;
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-import java.util.concurrent.TimeUnit;
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+import java.util.Objects;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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+import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
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import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.FILE_CONFIG_DELETE_FAIL_MASTER;
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import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.FILE_CONFIG_NOT_EXISTS;
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@@ -46,19 +44,29 @@ import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.FILE_CONFIG
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@Slf4j
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public class FileConfigServiceImpl implements FileConfigService {
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- @Resource
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- private FileClientFactory fileClientFactory;
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+ private static final Long CACHE_MASTER_ID = 0L;
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/**
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- * 文件配置的缓存
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- */
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- @Getter
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- private List<FileConfigDO> fileConfigCache;
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- /**
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- * Master FileClient 对象,有且仅有一个,即 {@link FileConfigDO#getMaster()} 对应的
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+ * {@link FileClient} 缓存,通过它异步刷新 fileClientFactory
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*/
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@Getter
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- private FileClient masterFileClient;
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+ private final LoadingCache<Long, FileClient> clientCache = buildAsyncReloadingCache(Duration.ofSeconds(10L),
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+ new CacheLoader<Long, FileClient>() {
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+
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+ @Override
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+ public FileClient load(Long id) {
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+ FileConfigDO config = Objects.equals(CACHE_MASTER_ID, id) ?
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+ fileConfigMapper.selectByMaster() : fileConfigMapper.selectById(id);
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+ if (config != null) {
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+ fileClientFactory.createOrUpdateFileClient(id, config.getStorage(), config.getConfig());
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+ }
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+ return fileClientFactory.getFileClient(id);
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+ }
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+
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+ });
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+
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+ @Resource
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+ private FileClientFactory fileClientFactory;
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@Resource
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private FileConfigMapper fileConfigMapper;
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@@ -66,53 +74,12 @@ public class FileConfigServiceImpl implements FileConfigService {
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@Resource
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private Validator validator;
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- @PostConstruct
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- public void initLocalCache() {
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- // 第一步:查询数据
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- List<FileConfigDO> configs = fileConfigMapper.selectList();
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- log.info("[initLocalCache][缓存文件配置,数量为:{}]", configs.size());
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-
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- // 第二步:构建缓存:创建或更新文件 Client
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- configs.forEach(config -> {
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- fileClientFactory.createOrUpdateFileClient(config.getId(), config.getStorage(), config.getConfig());
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- // 如果是 master,进行设置
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- if (Boolean.TRUE.equals(config.getMaster())) {
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- masterFileClient = fileClientFactory.getFileClient(config.getId());
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- }
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- });
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- this.fileConfigCache = configs;
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- }
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-
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- /**
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- * 通过定时任务轮询,刷新缓存
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- *
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- * 目的:多节点部署时,通过轮询”通知“所有节点,进行刷新
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- */
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- @Scheduled(initialDelay = 60, fixedRate = 60, timeUnit = TimeUnit.SECONDS)
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- public void refreshLocalCache() {
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- // 情况一:如果缓存里没有数据,则直接刷新缓存
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- if (CollUtil.isEmpty(fileConfigCache)) {
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- initLocalCache();
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- return;
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- }
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-
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- // 情况二,如果缓存里数据,则通过 updateTime 判断是否有数据变更,有变更则刷新缓存
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- LocalDateTime maxTime = CollectionUtils.getMaxValue(fileConfigCache, FileConfigDO::getUpdateTime);
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- if (fileConfigMapper.selectCountByUpdateTimeGt(maxTime) > 0) {
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- initLocalCache();
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- }
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- }
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-
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@Override
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public Long createFileConfig(FileConfigCreateReqVO createReqVO) {
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- // 插入
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FileConfigDO fileConfig = FileConfigConvert.INSTANCE.convert(createReqVO)
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.setConfig(parseClientConfig(createReqVO.getStorage(), createReqVO.getConfig()))
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.setMaster(false); // 默认非 master
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fileConfigMapper.insert(fileConfig);
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-
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- // 刷新缓存
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- initLocalCache();
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return fileConfig.getId();
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}
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@@ -125,8 +92,8 @@ public class FileConfigServiceImpl implements FileConfigService {
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.setConfig(parseClientConfig(config.getStorage(), updateReqVO.getConfig()));
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fileConfigMapper.updateById(updateObj);
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- // 刷新缓存
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- initLocalCache();
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+ // 清空缓存
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+ clearCache(config.getId(), null);
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}
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@Override
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@@ -139,8 +106,8 @@ public class FileConfigServiceImpl implements FileConfigService {
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// 更新
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fileConfigMapper.updateById(new FileConfigDO().setId(id).setMaster(true));
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- // 刷新缓存
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- initLocalCache();
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+ // 清空缓存
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+ clearCache(null, true);
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}
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private FileClientConfig parseClientConfig(Integer storage, Map<String, Object> config) {
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@@ -164,8 +131,23 @@ public class FileConfigServiceImpl implements FileConfigService {
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// 删除
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fileConfigMapper.deleteById(id);
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- // 刷新缓存
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- initLocalCache();
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+ // 清空缓存
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+ clearCache(id, null);
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+ }
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+
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+ /**
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+ * 清空指定文件配置
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+ *
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+ * @param id 配置编号
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+ * @param master 是否主配置
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+ */
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+ private void clearCache(Long id, Boolean master) {
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+ if (id != null) {
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+ clientCache.invalidate(id);
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+ }
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+ if (Boolean.TRUE.equals(master)) {
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+ clientCache.invalidate(CACHE_MASTER_ID);
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+ }
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}
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private FileConfigDO validateFileConfigExists(Long id) {
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@@ -192,12 +174,17 @@ public class FileConfigServiceImpl implements FileConfigService {
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validateFileConfigExists(id);
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// 上传文件
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byte[] content = ResourceUtil.readBytes("file/erweima.jpg");
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- return fileClientFactory.getFileClient(id).upload(content, IdUtil.fastSimpleUUID() + ".jpg", "image/jpeg");
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+ return getFileClient(id).upload(content, IdUtil.fastSimpleUUID() + ".jpg", "image/jpeg");
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}
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@Override
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public FileClient getFileClient(Long id) {
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- return fileClientFactory.getFileClient(id);
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+ return clientCache.getUnchecked(id);
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+ }
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+
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+ @Override
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+ public FileClient getMasterFileClient() {
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+ return clientCache.getUnchecked(CACHE_MASTER_ID);
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}
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}
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