Merge pull request #365 from camunda-community-hub/rollback-to-protobuf-version-3.25.3

Roll back incompatible google protobuf version 4.x

Author: saig0

pom.xml

@@ -38,8 +38,8 @@
     <!-- project dependencies -->
     <version.zeebe>8.5.1</version.zeebe>
 
-    <version.protobuf>4.26.1</version.protobuf>
-    <version.protoc>4.26.1</version.protoc>
+    <version.protobuf>3.25.3</version.protobuf>
+    <version.protoc>3.25.3</version.protoc>
     <version.slf4j>1.7.25</version.slf4j>
 
     <version.assertj>3.25.3</version.assertj>

src/main/java/io/zeebe/exporter/proto/RecordTransformer.java

@@ -39,7 +39,7 @@
  */
 public final class RecordTransformer {
 
-  private static final EnumMap<ValueType, Function<Record, GeneratedMessage>> TRANSFORMERS =
+  private static final EnumMap<ValueType, Function<Record, GeneratedMessageV3>> TRANSFORMERS =
       new EnumMap<>(ValueType.class);
 
   private static final EnumMap<ValueType, RecordMetadata.ValueType> VALUE_TYPE_MAPPING =
@@ -155,9 +155,9 @@ public final class RecordTransformer {
 
   private RecordTransformer() {}
 
-  public static GeneratedMessage toProtobufMessage(Record record) {
+  public static GeneratedMessageV3 toProtobufMessage(Record record) {
     final ValueType valueType = record.getValueType();
-    final Function<Record, GeneratedMessage> toRecordFunc = TRANSFORMERS.get(valueType);
+    final Function<Record, GeneratedMessageV3> toRecordFunc = TRANSFORMERS.get(valueType);
     return toRecordFunc != null ? toRecordFunc.apply(record) : Empty.getDefaultInstance();
   }