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cache onRegister

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This commit is contained in:
yuhuangbin 2020-09-09 11:44:49 +08:00
parent 170edfa73e
commit da9a57ddf8
1 changed files with 25 additions and 9 deletions
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28
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/NacosServiceManager.java
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@ -19,10 +19,15 @@ package com.alibaba.cloud.nacos;
import java.util.Objects;
import java.util.Properties;
import com.alibaba.cloud.nacos.registry.NacosRegistration;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingMaintainService;
import com.alibaba.nacos.api.naming.NamingService;
import org.springframework.cloud.client.discovery.event.InstancePreRegisteredEvent;
import org.springframework.cloud.client.serviceregistry.Registration;
import org.springframework.context.event.EventListener;
import static com.alibaba.nacos.api.NacosFactory.createMaintainService;
import static com.alibaba.nacos.api.NacosFactory.createNamingService;
import static org.springframework.beans.BeanUtils.copyProperties;
@ -54,12 +59,8 @@ public class NacosServiceManager {
public boolean isNacosDiscoveryInfoChanged(
NacosDiscoveryProperties nacosDiscoveryProperties) {
if (Objects.isNull(nacosDiscoveryPropertiesCache)) {
nacosDiscoveryPropertiesCache = new NacosDiscoveryProperties();
copyProperties(nacosDiscoveryProperties, nacosDiscoveryPropertiesCache);
return false;
}
if (this.nacosDiscoveryPropertiesCache.equals(nacosDiscoveryProperties)) {
if (Objects.isNull(nacosDiscoveryPropertiesCache)
|| this.nacosDiscoveryPropertiesCache.equals(nacosDiscoveryProperties)) {
return false;
}
copyProperties(nacosDiscoveryProperties, nacosDiscoveryPropertiesCache);
@ -114,4 +115,19 @@ public class NacosServiceManager {
public void nacosServiceShutDown() throws NacosException {
this.namingService.shutDown();
}
@EventListener
public void onInstancePreRegisteredEvent(
InstancePreRegisteredEvent instancePreRegisteredEvent) {
Registration registration = instancePreRegisteredEvent.getRegistration();
if (Objects.isNull(nacosDiscoveryPropertiesCache)
&& registration instanceof NacosRegistration) {
NacosDiscoveryProperties nacosDiscoveryProperties = ((NacosRegistration) registration)
.getNacosDiscoveryProperties();
nacosDiscoveryPropertiesCache = new NacosDiscoveryProperties();
copyProperties(nacosDiscoveryProperties, nacosDiscoveryPropertiesCache);
}
}
}