package cn.iocoder.yudao.module.iot.service.rule.scene.matcher.trigger;
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import cn.iocoder.yudao.module.iot.core.enums.IotDeviceMessageMethodEnum;
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import cn.iocoder.yudao.module.iot.core.mq.message.IotDeviceMessage;
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import cn.iocoder.yudao.module.iot.core.util.IotDeviceMessageUtils;
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import cn.iocoder.yudao.module.iot.dal.dataobject.rule.IotSceneRuleDO;
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import cn.iocoder.yudao.module.iot.enums.rule.IotSceneRuleTriggerTypeEnum;
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import cn.iocoder.yudao.module.iot.service.device.IotDeviceService;
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import cn.iocoder.yudao.module.iot.service.rule.scene.matcher.IotSceneRuleMatcherHelper;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Component;
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/**
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* 设备状态更新触发器匹配器:处理设备上下线状态变更的触发器匹配逻辑
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*
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* @author HUIHUI
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*/
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@Component
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public class IotDeviceStateUpdateTriggerMatcher implements IotSceneRuleTriggerMatcher {
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@Resource
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private IotDeviceService iotDeviceService;
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@Override
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public IotSceneRuleTriggerTypeEnum getSupportedTriggerType() {
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return IotSceneRuleTriggerTypeEnum.DEVICE_STATE_UPDATE;
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}
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@Override
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public boolean matches(IotDeviceMessage message, IotSceneRuleDO.Trigger trigger) {
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// 1.1 基础参数校验
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if (!IotSceneRuleMatcherHelper.isBasicTriggerValid(trigger)) {
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message, trigger, "触发器基础参数无效");
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return false;
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}
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// 1.2 检查消息方法是否匹配
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if (!IotDeviceMessageMethodEnum.STATE_UPDATE.getMethod().equals(message.getMethod())) {
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message, trigger, "消息方法不匹配,期望: " +
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IotDeviceMessageMethodEnum.STATE_UPDATE.getMethod() + ", 实际: " + message.getMethod());
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return false;
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}
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// 1.3 修复触发器中忽略了产品和设备的一致性验证,2025.05.25 by panda
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if (IotSceneRuleMatcherHelper.productAndDeviceNotMatched(message, trigger.getProductId(),trigger.getDeviceId())){
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message,trigger,"触发器中产品或设备不匹配");
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return false;
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}
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// 1.4 检查操作符和值是否有效
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if (!IotSceneRuleMatcherHelper.isTriggerOperatorAndValueValid(trigger)) {
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message, trigger, "操作符或值无效");
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return false;
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}
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// 2.1 获取设备状态值 - 使用工具类方法正确提取状态值
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// 对于状态更新消息,状态值通过 getIdentifier 获取(实际是从 params.state 字段)
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String stateIdentifier = IotDeviceMessageUtils.getIdentifier(message);
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if (stateIdentifier == null) {
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message, trigger, "消息中设备状态值为空");
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return false;
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}
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// 2.2 使用条件评估器进行匹配
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// 状态值通常是字符串或数字,直接使用标识符作为状态值
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boolean matched = IotSceneRuleMatcherHelper.evaluateCondition(stateIdentifier, trigger.getOperator(), trigger.getValue());
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if (matched) {
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IotSceneRuleMatcherHelper.logTriggerMatchSuccess(message, trigger);
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} else {
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IotSceneRuleMatcherHelper.logTriggerMatchFailure(message, trigger, "状态值条件不匹配");
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}
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return matched;
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}
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@Override
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public int getPriority() {
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return 10; // 高优先级
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}
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}
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