/**
 * 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.storm.trident.testing;

import java.util.List;
import org.apache.storm.shade.org.json.simple.JSONValue;
import org.apache.storm.shade.org.json.simple.parser.ParseException;
import org.apache.storm.trident.operation.BaseFunction;
import org.apache.storm.trident.operation.TridentCollector;
import org.apache.storm.trident.tuple.TridentTuple;

public class TuplifyArgs extends BaseFunction {

    @Override
    public void execute(TridentTuple input, TridentCollector collector) {
        try {
            String args = input.getString(0);
            List<List<Object>> tuples = (List) JSONValue.parseWithException(args);
            for (List<Object> tuple : tuples) {
                collector.emit(tuple);
            }
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }
}
