BitoAgent commented on code in PR #13786:
URL: https://github.com/apache/dubbo/pull/13786#discussion_r1562950260
##########
dubbo-common/src/main/java/org/apache/dubbo/config/AbstractInterfaceConfig.java:
##########
@@ -353,14 +353,14 @@ && hasArgumentConfigProps(configProperties,
methodConfig.getName(), i)) {
// refresh MethodConfigs
List<MethodConfig> methodConfigs = this.getMethods();
- if (methodConfigs != null && methodConfigs.size() > 0) {
+ if (methodConfigs != null && !methodConfigs.isEmpty()) {
// whether ignore invalid method config
Object ignoreInvalidMethodConfigVal = getEnvironment()
.getConfiguration()
.getProperty(ConfigKeys.DUBBO_CONFIG_IGNORE_INVALID_METHOD_CONFIG, "false");
boolean ignoreInvalidMethodConfig =
Boolean.parseBoolean(ignoreInvalidMethodConfigVal.toString());
- Class<?> finalInterfaceClass = interfaceClass;
+ final Class<?> finalInterfaceClass = interfaceClass;
Review Comment:
**Optimization Issue**: Optimization by replacing 'methodConfigs.size() >
0' with '!methodConfigs.isEmpty()' for clarity and performance. Additionally,
marking 'finalInterfaceClass' as final ensures it's immutable within the
context, enhancing thread safety. <br> **Fix**: Replace size check with isEmpty
for readability and slight performance benefit. Mark variables as final where
applicable to ensure immutability. <br> **Code Suggestion**:
```
- if (methodConfigs != null && methodConfigs.size() > 0) {
+ if (methodConfigs != null && !methodConfigs.isEmpty()) {
// whether ignore invalid method config
Object ignoreInvalidMethodConfigVal = getEnvironment()
.getConfiguration()
.getProperty(ConfigKeys.DUBBO_CONFIG_IGNORE_INVALID_METHOD_CONFIG, "false");
boolean ignoreInvalidMethodConfig =
Boolean.parseBoolean(ignoreInvalidMethodConfigVal.toString());
- Class<?> finalInterfaceClass = interfaceClass;
+ final Class<?> finalInterfaceClass = interfaceClass;
```
##########
dubbo-common/src/main/java/org/apache/dubbo/config/AbstractInterfaceConfig.java:
##########
@@ -252,7 +252,7 @@ protected void postProcessAfterScopeModelChanged(ScopeModel
oldScopeModel, Scope
}
if (CollectionUtils.isNotEmpty(this.registries)) {
this.registries.forEach(registryConfig -> {
- if (registryConfig.getScopeModel() != applicationModel) {
+ if (registryConfig != null && registryConfig.getScopeModel()
!= applicationModel) {
Review Comment:
**Optimization Issue**: Null check added for 'registryConfig' before
accessing its method ensures null safety and avoids potential
NullPointerException. <br> **Fix**: Include null checks before method
invocations on objects that could potentially be null. <br> **Code
Suggestion**:
```
- if (registryConfig.getScopeModel() != applicationModel) {
+ if (registryConfig != null &&
registryConfig.getScopeModel() != applicationModel) {
```
##########
dubbo-common/src/main/java/org/apache/dubbo/config/AbstractInterfaceConfig.java:
##########
@@ -420,7 +420,7 @@ protected boolean verifyMethodConfig(
}
private ArgumentConfig getArgumentByIndex(MethodConfig methodConfig, int
argIndex) {
- if (methodConfig.getArguments() != null &&
methodConfig.getArguments().size() > 0) {
+ if (methodConfig.getArguments() != null &&
!methodConfig.getArguments().isEmpty()) {
Review Comment:
**Optimization Issue**: Improvement by replacing
'methodConfig.getArguments().size() > 0' with
'!methodConfig.getArguments().isEmpty()' for better readability and
performance. <br> **Fix**: Utilize the isEmpty method for collection size
checking to improve code readability and performance. <br> **Code Suggestion**:
```
- if (methodConfig.getArguments() != null &&
methodConfig.getArguments().size() > 0) {
+ if (methodConfig.getArguments() != null &&
!methodConfig.getArguments().isEmpty()) {
```
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