io.cdap.wrangler.utils.AvroSchemaLoader Maven / Gradle / Ivy
/*
* Copyright © 2019 Cask Data, 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 io.cdap.wrangler.utils;
import org.apache.avro.Schema;
import org.apache.commons.collections4.SetValuedMap;
import java.io.IOException;
/**
* The {@link AvroSchemaLoader} interface abstracts loading an AVRO data model schema definitions.
*/
public interface AvroSchemaLoader {
/**
* Loads and parses an AVRO data model schema.
*
* @return a map with keys representing the name of the schema. The value is a set of all of the revisions of the
* {@link Schema}.
*/
SetValuedMap load() throws IOException;
}