291 lines
9.7 KiB
Java
291 lines
9.7 KiB
Java
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package com.tuoheng.machine;
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import com.tuoheng.machine.command.*;
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import com.tuoheng.machine.instruction.InstructionContext;
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import com.tuoheng.machine.state.MachineStates;
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import com.tuoheng.machine.statemachine.MachineStateManager;
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import com.tuoheng.machine.statemachine.StateChangeListener;
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import com.tuoheng.machine.vendor.VendorConfig;
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import com.tuoheng.machine.vendor.VendorRegistry;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* 设备命令管理器（框架使用者的主要入口）
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*/
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@Slf4j
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@Component
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public class MachineCommandManager {
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private final VendorRegistry vendorRegistry;
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private final MachineStateManager stateManager;
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private final TransactionExecutor transactionExecutor;
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/**
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* SN -> 当前正在执行的命令
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*/
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private final Map<String, CommandExecution> executingCommands = new ConcurrentHashMap<>();
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/**
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* 命令执行监听器
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*/
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private final Map<String, CommandExecutionListener> commandListeners = new ConcurrentHashMap<>();
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public MachineCommandManager(VendorRegistry vendorRegistry,
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MachineStateManager stateManager,
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TransactionExecutor transactionExecutor) {
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this.vendorRegistry = vendorRegistry;
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this.stateManager = stateManager;
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this.transactionExecutor = transactionExecutor;
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}
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/**
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* 绑定设备到厂家
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*
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* @param sn 设备SN号
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* @param vendorType 厂家类型
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*/
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public void bindMachine(String sn, String vendorType) {
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vendorRegistry.bindSnToVendor(sn, vendorType);
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log.info("绑定设备到厂家: sn=, vendorType={}", sn, vendorType);
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}
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/**
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* 解绑设备
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*
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* @param sn 设备SN号
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*/
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public void unbindMachine(String sn) {
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vendorRegistry.unbindSn(sn);
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executingCommands.remove(sn);
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stateManager.removeStates(sn);
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log.info("解绑设备: sn={}", sn);
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}
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/**
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* 获取设备当前状态
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*
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* @param sn 设备SN号
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* @return 设备状态
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*/
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public MachineStates getMachineStates(String sn) {
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return stateManager.getStates(sn);
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}
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/**
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* 更新设备状态（通常在心跳中调用）
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*
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* @param sn 设备SN号
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* @param newStates 新状态
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*/
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public void updateMachineStates(String sn, MachineStates newStates) {
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stateManager.updateStates(sn, newStates);
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}
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/**
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* 判断设备是否正在执行命令
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*
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* @param sn 设备SN号
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* @return 是否正在执行命令
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*/
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public boolean isExecutingCommand(String sn) {
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CommandExecution execution = executingCommands.get(sn);
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return execution != null && !execution.getFuture().isDone();
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}
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/**
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* 获取设备当前正在执行的命令类型
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*
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* @param sn 设备SN号
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* @return 命令类型，如果没有正在执行的命令则返回null
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*/
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public CommandType getExecutingCommandType(String sn) {
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CommandExecution execution = executingCommands.get(sn);
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if (execution != null && !execution.getFuture().isDone()) {
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return execution.getCommandType();
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}
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return null;
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}
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/**
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* 获取设备在当前状态下可以执行的命令列表
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*
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* @param sn 设备SN号
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* @return 可执行的命令列表
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*/
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public List<CommandType> getAvailableCommands(String sn) {
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VendorConfig vendorConfig = vendorRegistry.getVendorConfig(sn);
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if (vendorConfig == null) {
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log.warn("设备未绑定厂家: sn={}", sn);
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return List.of();
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}
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MachineStates currentStates = stateManager.getStates(sn);
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return vendorConfig.getAvailableCommands(currentStates);
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}
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/**
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* 执行命令
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*
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* @param sn 设备SN号
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* @param commandType 命令类型
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* @return 命令执行结果的Future
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*/
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public CompletableFuture<CommandResult> executeCommand(String sn, CommandType commandType) {
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return executeCommand(sn, commandType, Map.of());
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}
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/**
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* 执行命令（带参数）
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*
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* @param sn 设备SN号
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* @param commandType 命令类型
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* @param params 命令参数
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* @return 命令执行结果的Future
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*/
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public CompletableFuture<CommandResult> executeCommand(String sn, CommandType commandType, Map<String, Object> params) {
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log.info("收到命令执行请求: sn={}, commandType={}, params={}", sn, commandType, params);
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// 1. 检查设备是否已绑定厂家
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VendorConfig vendorConfig = vendorRegistry.getVendorConfig(sn);
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if (vendorConfig == null) {
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String error = "设备未绑定厂家";
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log.error("{}: sn={}", error, sn);
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return CompletableFuture.completedFuture(CommandResult.failure(commandType, error));
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}
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// 2. 检查是否正在执行其他命令
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if (isExecutingCommand(sn)) {
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String error = "设备正在执行其他命令: " + getExecutingCommandType(sn);
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log.warn("{}: sn={}", error, sn);
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return CompletableFuture.completedFuture(CommandResult.failure(commandType, error));
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}
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// 3. 检查当前状态是否可以执行该命令
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MachineStates currentStates = stateManager.getStates(sn);
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if (!vendorConfig.canExecuteCommand(currentStates, commandType)) {
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String error = "当前状态不允许执行该命令";
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log.warn("{}: sn={}, commandType={}, currentStates={}", error, sn, commandType, currentStates);
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return CompletableFuture.completedFuture(CommandResult.failure(commandType, error));
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}
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// 4. 获取事务定义
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Transaction transaction = vendorConfig.getTransaction(commandType);
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if (transaction == null) {
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String error = "厂家不支持该命令";
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log.error("{}: sn={}, commandType={}, vendorType={}", error, sn, commandType, vendorConfig.getVendorType());
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return CompletableFuture.completedFuture(CommandResult.failure(commandType, error));
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}
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// 5. 创建指令上下文
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InstructionContext context = new InstructionContext(sn, vendorConfig.getVendorType());
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params.forEach(context::putCommandParam);
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// 6. 执行事务
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CompletableFuture<CommandResult> future = transactionExecutor.executeTransaction(transaction, context);
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// 7. 记录正在执行的命令
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executingCommands.put(sn, new CommandExecution(commandType, future, System.currentTimeMillis()));
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// 8. 添加完成回调
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future.whenComplete((result, throwable) -> {
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executingCommands.remove(sn);
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if (throwable != null) {
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log.error("命令执行异常: sn={}, commandType={}", sn, commandType, throwable);
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notifyCommandComplete(sn, CommandResult.failure(commandType, "命令执行异常: " + throwable.getMessage()));
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} else {
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log.info("命令执行完成: sn={}, commandType={}, success={}", sn, commandType, result.isSuccess());
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notifyCommandComplete(sn, result);
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}
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});
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return future;
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}
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/**
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* 注册命令执行监听器
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*
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* @param listenerId 监听器ID
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* @param listener 监听器
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*/
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public void registerCommandListener(String listenerId, CommandExecutionListener listener) {
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commandListeners.put(listenerId, listener);
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log.debug("注册命令执行监听器: listenerId={}", listenerId);
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}
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/**
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* 取消注册命令执行监听器
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*
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* @param listenerId 监听器ID
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*/
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public void unregisterCommandListener(String listenerId) {
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commandListeners.remove(listenerId);
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log.debug("取消注册命令执行监听器: listenerId={}", listenerId);
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}
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/**
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* 注册状态变化监听器
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*
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* @param listenerId 监听器ID
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* @param listener 监听器
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*/
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public void registerStateChangeListener(String listenerId, StateChangeListener listener) {
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stateManager.registerStateChangeListener(listenerId, listener);
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}
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/**
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* 取消注册状态变化监听器
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*
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* @param listenerId 监听器ID
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*/
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public void unregisterStateChangeListener(String listenerId) {
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stateManager.unregisterStateChangeListener(listenerId);
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}
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/**
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* 通知命令执行完成
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*/
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private void notifyCommandComplete(String sn, CommandResult result) {
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for (CommandExecutionListener listener : commandListeners.values()) {
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try {
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listener.onCommandComplete(sn, result);
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} catch (Exception e) {
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log.error("命令执行监听器执行失败: sn={}, commandType={}", sn, result.getCommandType(), e);
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}
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}
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}
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/**
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* 命令执行信息
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*/
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private static class CommandExecution {
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private final CommandType commandType;
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private final CompletableFuture<CommandResult> future;
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private final long startTime;
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public CommandExecution(CommandType commandType, CompletableFuture<CommandResult> future, long startTime) {
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this.commandType = commandType;
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this.future = future;
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this.startTime = startTime;
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}
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public CommandType getCommandType() {
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return commandType;
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}
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public CompletableFuture<CommandResult> getFuture() {
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return future;
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}
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public long getStartTime() {
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return startTime;
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}
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}
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}
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