All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.streampipes.wrapper.flink.converter.JsonToMapFormat Maven / Gradle / Ivy

/*
 * Copyright 2018 FZI Forschungszentrum Informatik
 *
 * 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 org.streampipes.wrapper.flink.converter;

import java.util.HashMap;
import java.util.Map;

import org.apache.flink.api.common.functions.FlatMapFunction;
import org.apache.flink.util.Collector;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.streampipes.logging.impl.EventStatisticLogger;
import org.streampipes.model.base.InvocableStreamPipesEntity;

public class JsonToMapFormat implements FlatMapFunction> {

	private static final long serialVersionUID = 1L;
	private ObjectMapper mapper;

	public JsonToMapFormat() {
		this.mapper = new ObjectMapper();
	}
	
	@SuppressWarnings("unchecked")
	@Override
	public void flatMap(String in, Collector> out)
			throws Exception {
		out.collect(mapper.readValue(in, HashMap.class));
	}

}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy