/**
 * Copyright © 2019 同程艺龙 (zhihui.li@ly.com)
 *
 * 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 com.ly.train.flower.sample.textflow.service;

import com.ly.train.flower.common.core.service.Service;
import com.ly.train.flower.common.core.service.ServiceContext;
import com.ly.train.flower.common.logging.Logger;
import com.ly.train.flower.common.logging.LoggerFactory;
import com.ly.train.flower.core.service.message.ReturnMessage;
import com.ly.train.flower.sample.textflow.model.Message1;
import com.ly.train.flower.sample.textflow.model.Message2;
import java.util.List;

public class Service4 implements Service<List<Object>, Message1>, ReturnMessage {
  static final Logger logger = LoggerFactory.getLogger(Service4.class);

  @Override
  public Message1 process(List<Object> message, ServiceContext context) {
    logger.info("处理任务 ： {}", context.getId());
    Message2 m = new Message2();
    for (Object o : message) {

      if (o instanceof Integer) {
        m.setAge((Integer) o);
      }
      if (o instanceof String) {
        m.setName(String.valueOf(o));
      }
    }
    Message1 m1 = new Message1();
    m1.setM2(m);
    pi();
    sleep();
    return m1;
  }

  /**
   * calculate PI, only waste CPU time
   */
  void pi() {
    double y = 1.0;
    for (int i = 0; i <= 100; i++) {
      @SuppressWarnings("unused")
      double π = 3 * Math.pow(2, i) * y;
      y = Math.sqrt(2 - Math.sqrt(4 - y * y));
    }
  }

  void sleep() {
    try {
      Thread.sleep(10);
    } catch (InterruptedException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
}
