external/storm-sqe/src/main/java/com/jwplayer/sqe/language/serde/avro/AvroDeserializer.java

/**
 * 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 com.jwplayer.sqe.language.serde.avro;

import com.jwplayer.sqe.language.serde.BaseDeserializer;
import com.jwplayer.sqe.trident.function.GetTupleFromAvro;
import org.apache.storm.trident.Stream;
import org.apache.storm.tuple.Fields;


public class AvroDeserializer extends BaseDeserializer {
    AvroDeserializerOptions options;

    public AvroDeserializer(AvroDeserializerOptions options) {
        this.options = options;
    }

    @Override
    public Stream deserialize(Stream stream, Fields requiredFields) {
        return stream
                .each(stream.getOutputFields(), new GetTupleFromAvro(options.schemaName, requiredFields), requiredFields);
    }
}