content: /*
   * 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.ververica.field.dynamicrules.functions;
  
  import com.ververica.field.sources.BaseGenerator;
  import java.util.SplittableRandom;
  import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException;
  import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;
  
  public class JsonGeneratorWrapper<T> extends BaseGenerator<String> {
  
    private BaseGenerator<T> wrappedGenerator;
    private static final ObjectMapper objectMapper = new ObjectMapper();
  
    public JsonGeneratorWrapper(BaseGenerator<T> wrappedGenerator) {
      this.wrappedGenerator = wrappedGenerator;
      this.maxRecordsPerSecond = wrappedGenerator.getMaxRecordsPerSecond();
    }
  
    @Override
    public String randomEvent(SplittableRandom rnd, long id) {
      T transaction = wrappedGenerator.randomEvent(rnd, id);
      String json;
      try {
        json = objectMapper.writeValueAsString(transaction);
      } catch (JsonProcessingException e) {
        throw new RuntimeException(e);
      }
      return json;
    }
  }
  