AvroContainer.java

/*
 * Copyright 2019 SPF4J.
 *
 * Licensed 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
 *
 *      http://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.spf4j.base.avro;

import javax.annotation.Nullable;
import org.apache.avro.Schema;

/**
 * @author Zoltan Farkas
 */
public interface AvroContainer {

 /**
  * return the element schema of the container.
  * @return null if schema can be inferred from type.
  */
 @Nullable
 default Schema getElementSchema() {
   return null;
 }

}