1. application.yml修改为application-dev.yml和application-prod.yml

2. 添加更多Exception拦截器
3. 编写状态模式处理task状态的更改
4. 添加StateChangeService，用以处理所有任务状态转换相关的内容
5. 添加StateEnum, ProtocolEnum，TaskTypeEnum用以处理任务和协议相关的所有状态和类型

src/main/java/com/realtime/protection/server/task/status/StateChangeService.java

@@ -0,0 +1,46 @@
+package com.realtime.protection.server.task.status;
+
+import com.baomidou.dynamic.datasource.annotation.DSTransactional;
+import com.realtime.protection.configuration.exception.DorisStartException;
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+public class StateChangeService {
+    private final CommandService commandService;
+    private final TaskService taskService;
+
+    public StateChangeService(CommandService commandService, TaskService taskService) {
+        this.commandService = commandService;
+        this.taskService = taskService;
+    }
+
+    @DSTransactional
+    public Boolean changeState(Integer stateNum, Long taskId) throws DorisStartException {
+        Integer originalStateNum = taskService.queryTaskStatus(taskId);
+        if (originalStateNum == null) {
+            throw new IllegalArgumentException("cannot find status of task " + taskId + ", maybe task doesn't exist?");
+        }
+
+        State originalState = StateEnum.getStateByNum(originalStateNum);
+
+        State newState = StateEnum.getStateByNum(stateNum);
+
+        if (!originalState.handle(newState, commandService, taskService, taskId)) {
+            return false;
+        }
+
+        log.debug(String.format("successfully let task(%d) change state from %s to %s",
+                taskId,
+                originalState.getClass().getSimpleName(),
+                newState.getClass().getSimpleName()));
+
+        // 这里一定是handle成功的状态，我们再进行task status的修改，如果handle失败，要么返回false，要么抛出异常，不会进入此处
+        return taskService.changeTaskStatus(taskId, stateNum);
+    }
+}

src/main/java/com/realtime/protection/server/task/status/StateHandler.java

@@ -0,0 +1,89 @@
+package com.realtime.protection.server.task.status;
+
+import com.realtime.protection.configuration.entity.task.Task;
+import com.realtime.protection.configuration.entity.task.TaskCommandInfo;
+import com.realtime.protection.configuration.exception.DorisStartException;
+import com.realtime.protection.configuration.utils.enums.TaskTypeEnum;
+import com.realtime.protection.configuration.utils.status.AuditStatus;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+
+import java.util.List;
+
+public class StateHandler {
+
+    protected Boolean handleStart(TaskService taskService, CommandService commandService, Long taskId) throws DorisStartException {
+        Task task = taskService.queryTask(taskId);
+
+        if (task == null) {
+            throw new IllegalArgumentException("invalid task id");
+        }
+
+        Integer taskAuditStatus = task.getTaskAuditStatus();
+
+        if (taskAuditStatus == null) {
+            throw new IllegalArgumentException("invalid task id, because task_audit_status is null");
+        }
+
+        // 如果审核状态不为已通过审核，则无效
+        if (taskAuditStatus != AuditStatus.AUDITED.getAuditStatus()) {
+            return false;
+        }
+
+        return switch (TaskTypeEnum.getTaskTypeByNum(task.getTaskType())) {
+            case STATIC -> handleStaticTaskStart(commandService, taskService, taskId);
+            case DYNAMIC -> handleDynamicTaskStart(commandService, taskService, taskId);
+            case JUDGED -> handleJudgedTaskStart(commandService, taskService, taskId);
+        };
+    }
+
+    protected Boolean handleResume(CommandService commandService, Long taskId) {
+        commandService.startCommandsByTaskId(taskId);
+        return true;
+    }
+
+    protected Boolean handlePause(CommandService commandService, Long taskId) {
+        commandService.stopCommandsByTaskId(taskId);
+        return true;
+    }
+
+    protected Boolean handleStop(CommandService commandService, Long taskId) {
+        commandService.removeCommandsByTaskId(taskId);
+        return true;
+    }
+
+    protected Boolean handleFinish(CommandService commandService, Long taskId) {
+        commandService.removeCommandsByTaskId(taskId);
+        return true;
+    }
+
+    protected Boolean handleFailed(CommandService commandService, Long taskId) {
+        commandService.removeCommandsByTaskId(taskId);
+        return true;
+    }
+
+    private Boolean handleJudgedTaskStart(CommandService commandService, TaskService taskService, Long taskId) {
+        return true;
+    }
+
+    private Boolean handleDynamicTaskStart(CommandService commandService, TaskService taskService, Long taskId) {
+        return true;
+    }
+
+    private Boolean handleStaticTaskStart(CommandService commandService, TaskService taskService, Long taskId) throws DorisStartException {
+        // 如果未能获取staticTaskCommandInfos，需要报错
+        List<TaskCommandInfo> staticTaskCommandInfos = taskService.getStaticCommandInfos(taskId);
+        if (staticTaskCommandInfos == null || staticTaskCommandInfos.isEmpty()) {
+            throw new IllegalArgumentException("static rules are empty, need to choose at least one static rule");
+        }
+
+        try {
+            commandService.createCommands(staticTaskCommandInfos);
+        } catch (DorisStartException e) {
+            e.taskId = taskId;
+            throw e;
+        }
+
+        return true;
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/FailedState.java

@@ -0,0 +1,20 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.exception.DorisStartException;
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import com.realtime.protection.server.task.status.StateHandler;
+
+public class FailedState extends StateHandler implements State {
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) throws DorisStartException {
+        return switch (StateEnum.getStateEnumByState(newState)) {
+            case RUNNING -> handleStart(taskService, commandService, taskId);
+            case STOP -> handleStop(commandService, taskId);
+            case FAILED -> true;
+            default -> throw new IllegalStateException("Unexpected value: " + StateEnum.getStateEnumByState(newState));
+        };
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/FinishedState.java

@@ -0,0 +1,12 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+
+public class FinishedState implements State {
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) {
+        return newState instanceof FinishedState;
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/PauseState.java

@@ -0,0 +1,20 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import com.realtime.protection.server.task.status.StateHandler;
+
+public class PauseState extends StateHandler implements State {
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) {
+        return switch (StateEnum.getStateEnumByState(newState)) {
+            case RUNNING -> handleResume(commandService, taskId);
+            case STOP -> handleStop(commandService, taskId);
+            case FINISHED -> handleFinish(commandService, taskId);
+            case FAILED -> handleFailed(commandService, taskId);
+            default -> throw new IllegalStateException("Unexpected value: " + StateEnum.getStateEnumByState(newState));
+        };
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/PendingState.java

@@ -0,0 +1,19 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.exception.DorisStartException;
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import com.realtime.protection.server.task.status.StateHandler;
+
+public class PendingState extends StateHandler implements State {
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) throws DorisStartException {
+        return switch (StateEnum.getStateEnumByState(newState)) {
+            case RUNNING -> handleStart(taskService, commandService, taskId);
+            case FAILED -> handleFailed(commandService, taskId);
+            default -> throw new IllegalStateException("Unexpected value: " + StateEnum.getStateEnumByState(newState));
+        };
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/RunningState.java

@@ -0,0 +1,21 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import com.realtime.protection.server.task.status.StateHandler;
+
+public class RunningState extends StateHandler implements State {
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) {
+        return switch(StateEnum.getStateEnumByState(newState)) {
+            case RUNNING -> true;
+            case PAUSED -> handlePause(commandService, taskId);
+            case STOP -> handleStop(commandService, taskId);
+            case FINISHED -> handleFinish(commandService, taskId);
+            case FAILED -> handleFailed(commandService, taskId);
+            default -> throw new IllegalStateException("Unexpected value: " + StateEnum.getStateEnumByState(newState));
+        };
+    }
+}

src/main/java/com/realtime/protection/server/task/status/states/StopState.java

@@ -0,0 +1,20 @@
+package com.realtime.protection.server.task.status.states;
+
+import com.realtime.protection.configuration.exception.DorisStartException;
+import com.realtime.protection.configuration.utils.enums.StateEnum;
+import com.realtime.protection.configuration.utils.status.State;
+import com.realtime.protection.server.command.CommandService;
+import com.realtime.protection.server.task.TaskService;
+import com.realtime.protection.server.task.status.StateHandler;
+
+public class StopState extends StateHandler implements State {
+
+    @Override
+    public Boolean handle(State newState, CommandService commandService, TaskService taskService, Long taskId) throws DorisStartException {
+        return switch (StateEnum.getStateEnumByState(newState)) {
+            case RUNNING -> handleStart(taskService, commandService, taskId);
+            case FAILED -> handleFailed(commandService, taskId);
+            default -> throw new IllegalStateException("Unexpected value: " + StateEnum.getStateEnumByState(newState));
+        };
+    }
+}