package com.zy.acs.manager.manager.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.zy.acs.framework.common.Cools;
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import com.zy.acs.framework.exception.CoolException;
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import com.zy.acs.manager.core.service.MapService;
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import com.zy.acs.manager.manager.entity.Code;
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import com.zy.acs.manager.manager.entity.CodeGap;
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import com.zy.acs.manager.manager.mapper.CodeGapMapper;
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import com.zy.acs.manager.manager.service.CodeGapService;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import javax.annotation.PostConstruct;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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@Slf4j
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@Service("codeGapService")
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public class CodeGapServiceImpl extends ServiceImpl<CodeGapMapper, CodeGap> implements CodeGapService {
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public static final Map<String, CodeGap> GAP_DISTANCE_CACHE = new HashMap<>();
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@Autowired
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private MapService mapService;
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@PostConstruct
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public void init() {
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for (CodeGap codeGap : this.list()) {
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String gapKey = generateGapKey(codeGap.getCode0(), codeGap.getCode1());
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if (!Cools.isEmpty(gapKey)) {
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GAP_DISTANCE_CACHE.put(gapKey, codeGap);
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}
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}
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log.info("The gap cache was initialized...");
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}
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@Override
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public CodeGap createCodeGapByCode(Code code0, Code code1, Long userId) {
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if (code0.getData().equals(code1.getData())) {
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return null;
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}
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CodeGap codeGap = findByCodeOfBoth(code0.getId(), code1.getId());
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if (null == codeGap) {
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Date now = new Date();
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codeGap = new CodeGap();
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codeGap.setCode0(code0.getId());
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codeGap.setCode1(code1.getId());
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double distance = mapService.calculateDistance(code0.getX(), code0.getY(), code1.getX(), code1.getY());
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codeGap.setDistance(distance);
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codeGap.setStatus(1);
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codeGap.setCreateBy(userId);
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codeGap.setCreateTime(now);
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codeGap.setUpdateBy(userId);
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codeGap.setUpdateTime(now);
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if (!this.save(codeGap)) {
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throw new CoolException(code0.getData() + "-" + code1.getData() + " save fail![Route]");
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}
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}
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return codeGap;
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}
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@Override
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public CodeGap findByCodeOfBoth(Long code0, Long code1) {
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CodeGap codeGap = null;
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String gapKey = generateGapKey(code0, code1);
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if (!Cools.isEmpty(gapKey)) {
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codeGap = GAP_DISTANCE_CACHE.get(gapKey);
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}
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if (null == codeGap) {
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codeGap = getOne(new LambdaQueryWrapper<CodeGap>().eq(CodeGap::getCode0, code0).eq(CodeGap::getCode1, code1));
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if (codeGap == null) {
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codeGap = getOne(new LambdaQueryWrapper<CodeGap>().eq(CodeGap::getCode1, code0).eq(CodeGap::getCode0, code1));
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}
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}
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return codeGap;
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}
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@Override
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public Double findDistanceByCode(Long code0, Long code1) {
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return 0.0;
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}
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private static String generateGapKey(Long code0, Long code1) {
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if (Cools.isEmpty(code0, code1)) {
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return null;
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}
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if (code1 < code0) {
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return code1 + "-" + code0;
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}
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return code0 + "-" + code1;
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}
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}
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