Copilot commented on code in PR #15633:
URL: https://github.com/apache/dubbo/pull/15633#discussion_r2278143954
##########
dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/DefaultServiceInstance.java:
##########
@@ -305,21 +308,43 @@ public boolean equals(Object o) {
return false;
}
DefaultServiceInstance that = (DefaultServiceInstance) o;
- boolean equals = Objects.equals(getServiceName(),
that.getServiceName())
- && Objects.equals(getHost(), that.getHost())
- && Objects.equals(getPort(), that.getPort());
+ if (!Objects.equals(getServiceName(), that.getServiceName())
+ || !Objects.equals(getHost(), that.getHost())
+ || !Objects.equals(getPort(), that.getPort())) {
+ return false;
+ }
+
+ Set<String> checkedKeys = new HashSet<>(this.getMetadata().size());
for (Map.Entry<String, String> entry : this.getMetadata().entrySet()) {
- if
(entry.getKey().equals(EXPORTED_SERVICES_REVISION_PROPERTY_NAME)) {
+ String key = entry.getKey();
+ checkedKeys.add(key);
+ if (key.equals(EXPORTED_SERVICES_REVISION_PROPERTY_NAME) ||
key.equals(TIMESTAMP_KEY)) {
continue;
}
if (entry.getValue() == null) {
- equals = equals && (entry.getValue() ==
that.getMetadata().get(entry.getKey()));
+ if (null != that.getMetadata().get(key)) {
+ return false;
+ }
} else {
- equals = equals &&
entry.getValue().equals(that.getMetadata().get(entry.getKey()));
+ if (!entry.getValue().equals(that.getMetadata().get(key))) {
+ return false;
+ }
+ }
+ }
+
+ for (Map.Entry<String, String> thatEntry :
that.getMetadata().entrySet()) {
+ String thatKey = thatEntry.getKey();
+ if (checkedKeys.contains(thatKey)
+ || thatKey.equals(EXPORTED_SERVICES_REVISION_PROPERTY_NAME)
+ || thatKey.equals(TIMESTAMP_KEY)) {
+ continue;
+ }
+ if (null != thatEntry.getValue()) {
Review Comment:
The logic appears incorrect. This condition returns false when the other
instance has a non-null value for a key that wasn't checked, but it should also
check if this instance has a null value for the same key. The comparison should
be symmetric.
##########
dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/DefaultServiceInstance.java:
##########
@@ -305,21 +308,43 @@ public boolean equals(Object o) {
return false;
}
DefaultServiceInstance that = (DefaultServiceInstance) o;
- boolean equals = Objects.equals(getServiceName(),
that.getServiceName())
- && Objects.equals(getHost(), that.getHost())
- && Objects.equals(getPort(), that.getPort());
+ if (!Objects.equals(getServiceName(), that.getServiceName())
+ || !Objects.equals(getHost(), that.getHost())
+ || !Objects.equals(getPort(), that.getPort())) {
+ return false;
+ }
+
+ Set<String> checkedKeys = new HashSet<>(this.getMetadata().size());
Review Comment:
The HashSet is initialized with the size of metadata, but only keys that are
not skipped will be added. Consider initializing without a specific size or
using a more accurate estimate to avoid potential memory waste.
```suggestion
Set<String> checkedKeys = new HashSet<>();
```
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