add comment, rename test class

src/main/java/org/springframework/data/aerospike/convert/MappingAerospikeWriteConverter.java

@@ -95,6 +95,7 @@ public void write(Object source, final AerospikeWriteData data) {
 
         AerospikePersistentProperty versionProperty = entity.getVersionProperty();
         if (versionProperty != null) {
+            // version is read as Integer because Record.generation is integer
             Integer version = accessor.getProperty(versionProperty, Integer.class);
             data.setVersion(version);
         }

src/test/java/org/springframework/data/aerospike/convert/MappingAerospikeConverterTypesTests.java

@@ -763,7 +763,7 @@ void shouldWriteAndReadNestedPOJOs() {
             new Address(new Street("Street1", 1), 1),
             new Address(new Street("Street2", 2), 2)
         );
-        SampleClasses.idAndAddressesList testObj = new idAndAddressesList("testId", addressesList);
+        IdAndAddressesList testObj = new IdAndAddressesList("testId", addressesList);
         converter.write(testObj, forWrite);
 
         assertThat(forWrite.getBins()).containsOnly(
@@ -774,9 +774,9 @@ void shouldWriteAndReadNestedPOJOs() {
         );
 
         AerospikeReadData forRead = AerospikeReadData.forRead(forWrite.getKey(), aeroRecord(forWrite.getBins()));
-        SampleClasses.idAndAddressesList actual = converter.read(idAndAddressesList.class, forRead);
+        IdAndAddressesList actual = converter.read(IdAndAddressesList.class, forRead);
 
-        assertThat(actual).isEqualTo(new idAndAddressesList("testId", addressesList));
+        assertThat(actual).isEqualTo(new IdAndAddressesList("testId", addressesList));
     }
 
     private <T> void assertWriteAndRead(int converterOption,

src/test/java/org/springframework/data/aerospike/sample/SampleClasses.java

@@ -552,7 +552,7 @@ private Person(Set<Address> addresses) {
     }
 
     @Data
-    public static class idAndAddressesList {
+    public static class IdAndAddressesList {
 
         @Id
         final String id;