AVRO-4040 | @AvroInternal annotation for getSchema() and getSpecificD…

…ata() methods

lang/java/avro/src/main/java/org/apache/avro/specific/AvroInternal.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.avro.specific;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Indicates that an annotated accessor is an Avro internal
+ * and should be ignored when introspecting @AvroGenerated classes.
+ */
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface AvroInternal {
+}

lang/java/compiler/src/main/velocity/org/apache/avro/compiler/specific/templates/java/classic/record.vm

@@ -177,9 +177,11 @@ public class ${this.mangleTypeIdentifier($schema.getName())} extends ${this.getS
 
 #end
   @Override
+  @org.apache.avro.specific.AvroInternal
   public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
 
   @Override
+  @org.apache.avro.specific.AvroInternal
   public org.apache.avro.Schema getSchema() { return SCHEMA$; }
 
   // Used by DatumWriter.  Applications should not call.