SpringCloud/spring-cloud-commons
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Removes Objects.requireNonNull()

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This commit is contained in:
Spencer Gibb
2019-10-23 14:03:39 -04:00
parent ffecfb7d0b
commit 3fe7725fca
2 changed files with 22 additions and 7 deletions
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24
spring-cloud-loadbalancer/src/main/java/org/springframework/cloud/loadbalancer/core/CachingServiceInstanceListSupplier.java
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@@ -17,8 +17,9 @@
package org.springframework.cloud.loadbalancer.core;
import java.util.List;
import java.util.Objects;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import reactor.cache.CacheFlux;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@@ -38,6 +39,9 @@ import org.springframework.cloud.client.ServiceInstance;
*/
public class CachingServiceInstanceListSupplier implements ServiceInstanceListSupplier {
private static final Log log = LogFactory
.getLog(CachingServiceInstanceListSupplier.class);
/**
* Name of the service cache instance.
*/
@@ -55,8 +59,13 @@ public class CachingServiceInstanceListSupplier implements ServiceInstanceListSu
this.serviceInstances = CacheFlux.lookup(key -> {
// TODO: configurable cache name
Cache cache = cacheManager.getCache(SERVICE_INSTANCE_CACHE_NAME);
List<ServiceInstance> list = Objects.requireNonNull(cache).get(key,
List.class);
if (cache == null) {
if (log.isErrorEnabled()) {
log.error("Unable to find cache: " + SERVICE_INSTANCE_CACHE_NAME);
}
return Mono.empty();
}
List<ServiceInstance> list = cache.get(key, List.class);
if (list == null || list.isEmpty()) {
return Mono.empty();
}
@@ -66,7 +75,14 @@ public class CachingServiceInstanceListSupplier implements ServiceInstanceListSu
.doOnNext(instances -> {
Cache cache = cacheManager
.getCache(SERVICE_INSTANCE_CACHE_NAME);
Objects.requireNonNull(cache).put(key, instances);
if (cache == null) {
if (log.isErrorEnabled()) {
log.error("Unable to find cache for writing: " + SERVICE_INSTANCE_CACHE_NAME);
}
}
else {
cache.put(key, instances);
}
}).then());
}