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基于 Guava 实现 tenant 租户数据的本地缓存

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YunaiV
2022-06-17 20:18:56 +08:00
parent d3200910db
commit 992e20530d
8 changed files with 61 additions and 217 deletions
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49
yudao-framework/yudao-spring-boot-starter-biz-tenant/src/main/java/cn/iocoder/yudao/framework/tenant/core/service/TenantFrameworkServiceImpl.java
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@ -1,8 +1,14 @@
package cn.iocoder.yudao.framework.tenant.core.service;
import cn.iocoder.yudao.framework.common.exception.ServiceException;
import cn.iocoder.yudao.framework.common.util.cache.CacheUtils;
import cn.iocoder.yudao.module.system.api.tenant.TenantApi;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import java.time.Duration;
import java.util.List;
/**
@ -13,16 +19,55 @@ import java.util.List;
@RequiredArgsConstructor
public class TenantFrameworkServiceImpl implements TenantFrameworkService {
private static final ServiceException SERVICE_EXCEPTION_NULL = new ServiceException();
private final TenantApi tenantApi;
/**
* 针对 {@link #getTenantIds()} 的缓存
*/
private final LoadingCache<Object, List<Long>> getTenantIdsCache = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<Object, List<Long>>() {
@Override
public List<Long> load(Object key) {
return tenantApi.getTenantIds();
}
});
/**
* 针对 {@link #validTenant(Long)} 的缓存
*/
private final LoadingCache<Long, ServiceException> validTenantCache = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<Long, ServiceException>() {
@Override
public ServiceException load(Long id) {
try {
tenantApi.validTenant(id);
return SERVICE_EXCEPTION_NULL;
} catch (ServiceException ex) {
return ex;
}
}
});
@Override
@SneakyThrows
public List<Long> getTenantIds() {
return tenantApi.getTenantIds();
return getTenantIdsCache.get(Boolean.TRUE);
}
@Override
public void validTenant(Long id) {
tenantApi.validTenant(id);
ServiceException serviceException = validTenantCache.getUnchecked(id);
if (serviceException != SERVICE_EXCEPTION_NULL) {
throw serviceException;
}
}
}