thingsboard-client-demo/src/main/java/com/tuoheng/machine/instruction/CallbackConfig.java

package com.tuoheng.machine.instruction;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.function.Predicate;

/**
 * 回调配置（用于方法回调和状态回调）
 */
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class CallbackConfig {
    /**
     * 监听的MQTT主题
     */
    private String topic;

    /**
     * 字段路径（支持嵌套，如 "data.status"）
     */
    private String fieldPath;

    /**
     * 期望的字段值
     */
    private Object expectedValue;

    /**
     * 自定义判断逻辑（如果设置，则优先使用此逻辑）
     */
    private Predicate<Object> customPredicate;

    /**
     * 是否可以被短路（跳过此回调）
     */
    private boolean canShortCircuit;

    /**
     * 超时时间（毫秒）
     */
    private long timeoutMs = 30000;

    /**
     * 判断消息是否匹配
     */
    public boolean matches(Object messageBody) {
        if (customPredicate != null) {
            return customPredicate.test(messageBody);
        }

        Object fieldValue = extractFieldValue(messageBody, fieldPath);
        return expectedValue == null || expectedValue.equals(fieldValue);
    }

    /**
     * 从消息体中提取字段值
     */
    private Object extractFieldValue(Object messageBody, String path) {
        if (messageBody == null || path == null) {
            return null;
        }

        String[] parts = path.split("\\.");
        Object current = messageBody;

        for (String part : parts) {
            if (current == null) {
                return null;
            }

            if (current instanceof java.util.Map) {
                current = ((java.util.Map<?, ?>) current).get(part);
            } else {
                try {
                    java.lang.reflect.Field field = current.getClass().getDeclaredField(part);
                    field.setAccessible(true);
                    current = field.get(current);
                } catch (Exception e) {
                    return null;
                }
            }
        }

        return current;
    }
}