com.hortonworks.registries.schemaregistry.SchemaCompatibility Maven / Gradle / Ivy
/**
* Copyright 2016-2019 Cloudera, Inc.
* 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 com.hortonworks.registries.schemaregistry;
/**
* Compatibility across different versions of a given schema
*/
public enum SchemaCompatibility {
/**
* No compatibility required between different versions of a schema. Any new schema being added should be semantically
* valid and no compatibility required with earlier or future schemas.
*/
NONE,
/**
* It indicates that new version of a schema would be compatible with earlier version of that schema. That means
* the data written from earlier version of the schema, can be deserialized with a new version of the schema.
*/
BACKWARD,
/**
* It indicates that an existing schema is compatible with subsequent versions of the schema. That means the data
* written from new version of the schema can still be read with old version of the schema.
*/
FORWARD,
/**
* It indicates that a new version of the schema provides both backward and forward compatibilities.
*/
BOTH;
public static final SchemaCompatibility DEFAULT_COMPATIBILITY = SchemaCompatibility.BACKWARD;
}