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.alipay.dw.jstorm.example.sequence.bean;
  
  import java.util.Random;
  
  public class PairMaker {
      private static final String[] tradeType = new String[] { "trade_one", "trade_two", "trade_three", "trade_four",
              "trade_five", "trade_six", "trade_seven", "trade_eight", "trade_nine", "trade_ten" };
              
      private static final String[] customerType = new String[] { "customer_a", "customer_b", "customer_c", "customer_d",
              "customer_e", "customer_f" };
              
      private static Random rand = new Random();
      
      public static Pair makeTradeInstance() {
          Pair pair = new Pair();
          
          String key = tradeType[rand.nextInt(tradeType.length)];
          Long value = (long) ((rand.nextInt(1000000) - 400000) / 1000);
          
          pair.setKey(key);
          pair.setValue(value);
          
          return pair;
      }
      
      public static Pair makeCustomerInstance() {
          Pair pair = new Pair();
          
          String key = customerType[rand.nextInt(customerType.length)];
          Long value = (long) ((rand.nextInt(1000000) - 200000) / 1000);
          
          pair.setKey(key);
          pair.setValue(value);
          
          return pair;
      }
      
  }
  