1 /*
2 * Copyright 2019 SPF4J.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.spf4j.base.avro;
17
18 import javax.annotation.Nullable;
19 import org.apache.avro.Schema;
20
21 /**
22 * @author Zoltan Farkas
23 */
24 public interface AvroContainer {
25
26 /**
27 * return the element schema of the container.
28 * @return null if schema can be inferred from type.
29 */
30 @Nullable
31 default Schema getElementSchema() {
32 return null;
33 }
34
35 }