spring事件驱动 + 策略模式应用

package com.hw.springbootes.event.adapter.impl; import com.alibaba.fastjson.JSON; import com.hw.springbootes.entity.NBAPlayer; import com.hw.springbootes.event.adapter.AbstractEventService; import com.hw.springbootes.event.entity.NbaPlayerEvent; import com.hw.springbootes.event.enums.OptEnum; import com.hw.springbootes.service.NBAPlayerService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.io.IOException; @Service public class NbaPlayerEventServiceImpl extends AbstractEventService<NbaPlayerEvent> { @Autowired private NBAPlayerService nbaPlayerService; public NbaPlayerEventServiceImpl() { super(NbaPlayerEvent.class.getCanonicalName()); } @Override public boolean handle(NbaPlayerEvent nbaPlayerEvent) { System.out.println("NbaPlayerEventServiceImpl.handle -> {} " + JSON.toJSONString(nbaPlayerEvent)); NBAPlayer nbaPlayer = (NBAPlayer) nbaPlayerEvent.getSource(); try { if (OptEnum.ADD.getCode() == nbaPlayer.getOpt()) { nbaPlayerService.addPlayer(nbaPlayer, nbaPlayer.getId() + ""); } else if (OptEnum.UPDATE.getCode() == nbaPlayer.getOpt()) { nbaPlayerService.updatePlayer(nbaPlayer, nbaPlayer.getId() + ""); } else if (OptEnum.DELETE.getCode() == nbaPlayer.getOpt()) { nbaPlayerService.deletePlayer(nbaPlayer.getId() + ""); } } catch (IOException e) { e.printStackTrace(); } return true; } }