118 lines
4.6 KiB
Java
118 lines
4.6 KiB
Java
//package com.muyu.rule.build;
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//
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//import com.muyu.rule.engine.annotation.EngineParam;
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//import com.muyu.rule.exception.RuleEngineException;
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//import com.muyu.rule.scan.EngineConfig;
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//import lombok.extern.slf4j.Slf4j;
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//import org.springframework.web.bind.annotation.RequestParam;
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//
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//import java.lang.annotation.Annotation;
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//import java.lang.reflect.Method;
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//import java.util.ArrayList;
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//import java.util.Arrays;
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//import java.util.List;
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//import java.util.Map;
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//import java.util.concurrent.ConcurrentHashMap;
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//
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///**
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// * @ClassName EngineContainer
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// * @Description 描述
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// * @Author Chen
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// * @Date 2024/8/29 19:39
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// */
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//@Slf4j
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//public class EngineContainer {
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// private static Map<String, Object> instanceMap = new ConcurrentHashMap<>(16);
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// private static Map<String, Object> classMap = new ConcurrentHashMap<>(16);
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// private static Map<String, Method> methodMap = new ConcurrentHashMap<>(16);
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//
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// /**
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// * 缓存规则引擎
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// * @param engineKey
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// * @param clazz
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// */
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// public static void loadEngineInstace(String engineKey, Class<?> clazz) {
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// Method method = findMethodByClass(EngineConfig.executionMethodName, clazz);
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// if (method == null) {
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// log.info("初始化规则引擎->{} 失败缺少 {} 方法", engineKey, EngineConfig.executionMethodName);
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// return;
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// }
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// try {
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// instanceMap.put(engineKey, clazz.newInstance());
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// } catch (InstantiationException e) {
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// throw new RuntimeException(e);
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// } catch (IllegalAccessException e) {
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// throw new RuntimeException(e);
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// }
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// classMap.put(engineKey, clazz);
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// methodMap.put(engineKey, method);
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// Class<?>[] parameterTypes = method.getParameterTypes();
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// Annotation[][] parameterAnnotations = method.getParameterAnnotations();
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// //获取参数
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// List<String> engineParams = new ArrayList<>();
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// int parameterTypeLength = parameterTypes.length;
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// for (int i = 0; i < parameterTypeLength; i++) {
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// Annotation[] paramAnn = parameterAnnotations[i];
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// if (paramAnn.length == 0) {
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// throw new RuleEngineException("请给所有参数填写注解！");
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// }
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// if (paramAnn.length > 1) {
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// throw new RuleEngineException("参数仅支持一个注解！！！");
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// }
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// EngineParam engineParam = null;
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// if (paramAnn[0] instanceof EngineParam) {
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// engineParam = (EngineParam) paramAnn[0];
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// }
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// if (engineParam == null) {
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// throw new RuleEngineException("请使用EngineParam注解！！！");
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// } else if (engineParam.name() == null) {
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// throw new RuleEngineException("EngineParam--name 不能为空!!");
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// }
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// engineParams.add(engineParam.name());
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// log.info("初始化规则引擎完成 ->规则引擎名称:{} 执行方法:{} 参数名称:{}", engineKey, method.getName(), engineParams.toString());
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// }
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// }
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//
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// private static Method findMethodByClass(String methodName, Class<?> clazz) {
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// Method[] methods = clazz.getDeclaredMethods();
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// return Arrays.stream(methods)
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// .filter(method -> method.getName().equals(methodName))
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// .findFirst()
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// .orElse(null);
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// }
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//
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// public static List<String> getMethodEngineParamMap(String engineKey) {
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// Method method = methodMap.get(engineKey);
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// if (method == null) {
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// return new ArrayList<>();
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// }
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// Class<?>[] parameterTypes = method.getParameterTypes();
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// Annotation[][] parameterAnnotations = method.getParameterAnnotations();
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// List<String> params = new ArrayList<>();
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// for (int i = 0; i < parameterTypes.length; i++) {
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// Annotation[] paramAnn = parameterAnnotations[i];
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// if (paramAnn.length == 0) {
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// continue;
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// }
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// EngineParam engineParam = (EngineParam) paramAnn[0];
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// if (engineParam != null && !engineParam.name().isEmpty()) {
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// params.add(engineParam.name());
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// }
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// }
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// return params;
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// }
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//
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// public static Object getInstanceMap(String engineKey) {
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// return instanceMap.get(engineKey);
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// }
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//
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// public static Method getMethodMap(String engineKey) {
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// return methodMap.get(engineKey);
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// }
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//
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// public static int getSumEngine() {
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// return classMap.size();
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// }
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//
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//}
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