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feat():规则引擎简易版

master
Saisai Liu 2024-05-04 17:43:45 +08:00
parent e10817cb1b
commit 1abb6e89b9
3 changed files with 83 additions and 27 deletions
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8
muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/controller/ScopeController.java
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@ -111,11 +111,11 @@ public class ScopeController extends BaseController
/**
* 测试
*/
@RequiresPermissions("engine:scope:test")
@RequiresPermissions("engine:scope:testEngine")
@Log(title = "规则引擎", businessType = BusinessType.DELETE)
@GetMapping("test/{id}")
public Result test(@PathVariable Long id) throws ServletException {
return toAjax(scopeService.test(id));
@GetMapping("testEngine/{id}")
public Result test(@PathVariable Long id) throws Exception {
return toAjax(scopeService.testEngine(id));
}

4
muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/service/ScopeService.java
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@ -1,5 +1,7 @@
package com.muyu.engine.service;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import com.baomidou.mybatisplus.extension.service.IService;
@ -72,5 +74,5 @@ public interface ScopeService extends IService<Scope>
void deleteScopeByRuleIds(Long[] ids);
boolean test(Long id) throws ServletException;
boolean testEngine(Long id) throws Exception;
}

92
muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/service/impl/ScopeServiceImpl.java
View File

@ -1,5 +1,8 @@
package com.muyu.engine.service.impl;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@ -18,6 +21,7 @@ import org.springframework.stereotype.Service;
import com.muyu.engine.mapper.ScopeMapper;
import com.muyu.engine.domain.Scope;
import com.muyu.engine.service.ScopeService;
import org.springframework.util.ReflectionUtils;
import javax.servlet.ServletException;
@ -29,8 +33,7 @@ import javax.servlet.ServletException;
*/
@Service
@Log4j2
public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements ScopeService
{
public class ScopeServiceImpl extends ServiceImpl<ScopeMapper, Scope> implements ScopeService {
@Autowired
private ScopeMapper scopeMapper;
@Autowired
@ -43,8 +46,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 规则引擎代码
*/
@Override
public Scope selectScopeById(Long id)
{
public Scope selectScopeById(Long id) {
return scopeMapper.selectScopeById(id);
}
@ -55,8 +57,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 规则引擎代码
*/
@Override
public List<Scope> selectScopeList(Scope scope)
{
public List<Scope> selectScopeList(Scope scope) {
return scopeMapper.selectScopeList(scope);
}
@ -67,8 +68,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 结果
*/
@Override
public int insertScope(Scope scope)
{
public int insertScope(Scope scope) {
scope.setCreateTime(DateUtils.getNowDate());
return scopeMapper.insertScope(scope);
}
@ -80,8 +80,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 结果
*/
@Override
public int updateScope(Scope scope)
{
public int updateScope(Scope scope) {
scope.setUpdateTime(DateUtils.getNowDate());
Scope one = this.getOne(new LambdaQueryWrapper<>() {{
eq(Scope::getValue, scope.getValue());
@ -98,8 +97,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 结果
*/
@Override
public int deleteScopeByIds(Long[] ids)
{
public int deleteScopeByIds(Long[] ids) {
return scopeMapper.deleteScopeByIds(ids);
}
@ -110,8 +108,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
* @return 结果
*/
@Override
public int deleteScopeById(Long id)
{
public int deleteScopeById(Long id) {
return scopeMapper.deleteScopeById(id);
}
@ -130,12 +127,48 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
}
@Override
public boolean test(Long id) throws ServletException {
public boolean testEngine(Long id) throws Exception {
RuleEngine ruleEngine = ruleEngineService.getById(id);
if (ruleEngine.getIsActivate().contains("no")) throw new ServletException("未激活");
if (ruleEngine.getStatus().contains("1")) throw new ServletException("已停用");
Scope scope = this.getOne(new LambdaQueryWrapper<Scope>() {{
eq(Scope::getRuleEngineId, ruleEngine.getId());
eq(Scope::getValue, "taskContext");
}});
String code = scope.getCode();
String path = code.substring(code.indexOf("com"), code.indexOf(";")).replaceAll("/.", "/").trim();
String fileName = code.substring(code.indexOf("class") + 6, code.indexOf("{")).trim();
String name = path+"."+fileName;
String javaPackageName = name.replace(".",File.separator)+".java";
String javaAbsolutePath = "D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/" +javaPackageName;
String jarAbsolutePath = "D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/target/classes/com/muyu/engine/controller";
Process process = Runtime.getRuntime().exec("javac -classpath "+ jarAbsolutePath+ " " + javaAbsolutePath);
ClassLoader classLoader = ReflectionUtils.class.getClassLoader();
// Class aClass = Class.forName(fileName);
Class aClass = classLoader.loadClass(name);
Object o = aClass.newInstance();
Method test = aClass.getMethod("test",null);
test.invoke(o,null);
try {
InputStream errorStream = process.getErrorStream();
InputStreamReader inputStreamReader = new InputStreamReader(errorStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String line = null;
while ((line=bufferedReader.readLine()) != null){
System.out.println(line);
}
int exitVal = process.waitFor();
System.out.println("Process exitValue: " + exitVal);
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 引擎流程并执行测试
*
* @param id
* @return
*/
@ -147,8 +180,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
Supplier<Boolean> booleanSupplier = () -> {
try {
return testEngine(ruleEngine);
} catch (ServletException e) {
log.error(e.getMessage());
} catch (Exception e) {
throw new RuntimeException(e);
}
};
@ -156,10 +188,32 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
return booleanSupplier.get();
}
private Boolean testEngine(RuleEngine ruleEngine) throws ServletException {
private Boolean testEngine(RuleEngine ruleEngine) throws ServletException, IOException {
System.out.println("初始化");
System.out.println(ruleEngine);
if(false)throw new ServletException("读取异常");
Scope scope = this.getOne(new LambdaQueryWrapper<Scope>() {{
eq(Scope::getRuleEngineId, ruleEngine.getId());
eq(Scope::getValue, "taskContext");
}});
String code = scope.getCode();
String path = code.substring(code.indexOf("com"), code.indexOf(";")).replaceAll("\\.", "/").trim();
String fileName = code.substring(code.indexOf("class") + 6, code.indexOf("{")).trim();
File file = new File("D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/" + path + "/" + fileName + ".java");
if (!file.exists()) {
file.createNewFile();
}
String[] split = code.split("/n");
//OutputStreamWriter对象将字符转换为字节流，指定了文件输出流和编码方式。
OutputStreamWriter outputStreamWriter =
new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8");
//BufferedWriter对象，用于缓冲写入数据，提高写入效率。
BufferedWriter bw = new BufferedWriter(outputStreamWriter);
for (String str : split) {
bw.write(str);
bw.newLine();
}
bw.close();
outputStreamWriter.close();
return true;
}
}