| /** |
| * 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 |
| * |
| * 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.apache.avro; |
| |
| /** |
| * <p> |
| * A SchemaValidator has one method, which validates that a {@link Schema} is |
| * <b>compatible<b/> with the other schemas provided. |
| * </p> |
| * <p> |
| * What makes one Schema compatible with another is not part of the interface |
| * contract. |
| * </p> |
| */ |
| public interface SchemaValidator { |
| |
| /** |
| * Validate one schema against others. The order of the schemas to validate |
| * against is chronological from most recent to oldest, if there is a natural |
| * chronological order. This allows some validators to identify which schemas |
| * are the most "recent" in order to validate only against the mosst recent |
| * schema(s). |
| * |
| * @param toValidate The schema to validate |
| * @param existing The schemas to validate against, in order from most recent to latest if applicable |
| * @throws SchemaValidationException if the schema fails to validate. |
| */ |
| void validate(Schema toValidate, Iterable<Schema> existing) throws SchemaValidationException; |
| |
| } |
