Jimexist commented on a change in pull request #2552:
URL: https://github.com/apache/thrift/pull/2552#discussion_r840109944
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File path: lib/java/src/org/apache/thrift/meta_data/FieldMetaData.java
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@@ -68,21 +64,24 @@ public static void addStructMetaDataMap(Class<? extends
TBase> sClass, Map<? ext
* {@link FieldMetaData#addStructMetaDataMap(Class, Map)} from
a different
* thread during static initialization of the Thrift class is
possible.
*/
- public static Map<? extends TFieldIdEnum, FieldMetaData>
getStructMetaDataMap(
- Class<? extends TBase> sClass) {
+ public static <T extends TBase<T, F>, F extends TFieldIdEnum> Map<F,
FieldMetaData> getStructMetaDataMap(
+ Class<T> sClass) {
// Note: Do not use synchronized on this method declaration - it leads to
a deadlock.
// Similarly, do not trigger sClass.newInstance() while holding a lock on
structMap,
// it will lead to the same deadlock.
// See: https://issues.apache.org/jira/browse/THRIFT-5430 for details.
- if (!structMap.containsKey(sClass)){ // Load class if it hasn't been loaded
- try{
- sClass.newInstance();
- } catch (InstantiationException e){
+ if (!structMap.containsKey(sClass)) { // Load class if it hasn't been
loaded
+ try {
+ sClass.getDeclaredConstructor().newInstance();
Review comment:
`T.newInstance()` is deprecated since Java 9.
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