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From pnowojski <...@git.apache.org>
Subject [GitHub] flink pull request #6264: [FLINK-8558] [table] Add unified format interfaces...
Date Fri, 06 Jul 2018 14:32:31 GMT
Github user pnowojski commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6264#discussion_r200660774
  
    --- Diff: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AvroRowFormatFactory.java
---
    @@ -0,0 +1,97 @@
    +/*
    + * 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.flink.formats.avro;
    +
    +import org.apache.flink.api.common.serialization.DeserializationSchema;
    +import org.apache.flink.api.common.serialization.SerializationSchema;
    +import org.apache.flink.table.descriptors.AvroValidator;
    +import org.apache.flink.table.descriptors.DescriptorProperties;
    +import org.apache.flink.table.descriptors.FormatDescriptorValidator;
    +import org.apache.flink.table.formats.DeserializationSchemaFactory;
    +import org.apache.flink.table.formats.SerializationSchemaFactory;
    +import org.apache.flink.types.Row;
    +
    +import org.apache.avro.specific.SpecificRecord;
    +
    +import java.util.ArrayList;
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +
    +/**
    + * Table format factory for providing configured instances of Avro-to-row {@link SerializationSchema}
    + * and {@link DeserializationSchema}.
    + */
    +public class AvroRowFormatFactory implements SerializationSchemaFactory<Row>, DeserializationSchemaFactory<Row>
{
    +
    +	@Override
    +	public Map<String, String> requiredContext() {
    +		final Map<String, String> context = new HashMap<>();
    +		context.put(FormatDescriptorValidator.FORMAT_TYPE(), AvroValidator.FORMAT_TYPE_VALUE);
    +		context.put(FormatDescriptorValidator.FORMAT_PROPERTY_VERSION(), "1");
    +		return context;
    +	}
    +
    +	@Override
    +	public boolean supportsSchemaDerivation() {
    +		return false;
    +	}
    +
    +	@Override
    +	public List<String> supportedProperties() {
    +		final List<String> properties = new ArrayList<>();
    +		properties.add(AvroValidator.FORMAT_RECORD_CLASS);
    +		properties.add(AvroValidator.FORMAT_AVRO_SCHEMA);
    +		return properties;
    +	}
    +
    +	@Override
    +	public DeserializationSchema<Row> createDeserializationSchema(Map<String, String>
properties) {
    +		final DescriptorProperties props = new DescriptorProperties(true);
    --- End diff --
    
    `props` -> `descriptorProperties`


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