Update 更新文档

2026-02-25 23:01:42 +08:00
parent 40aff32fb0
commit 80518309a7
679 changed files with 4611263 additions and 0 deletions
--- a/TradingCore/utilities/EventBus.h
+++ b/TradingCore/utilities/EventBus.h
@@ -0,0 +1,81 @@
+#ifndef QEVENTBUS_H
+#define QEVENTBUS_H
+
+#include <QObject>
+#include <QMap>
+#include <QList>
+#include <QMutex>
+#include <QVariant>
+#include <QDateTime>
+#include <QMetaMethod>
+
+// 事件类型定义
+namespace EventType {
+    const QString ORDER_PROCESSED = "order.processed";
+    const QString BIG_ORDER_DETECTED = "bigorder.detected";
+    const QString SUBSCRIPTION_CHANGED = "subscription.changed";
+    const QString CONNECTION_STATUS_CHANGED = "connection.status.changed";
+    const QString SYSTEM_ERROR = "system.error";
+    const QString PROCESSING_STARTED = "processing.started";
+    const QString PROCESSING_FINISHED = "processing.finished";
+}
+
+struct Event {
+    QString type;
+    QVariant data;
+    QDateTime timestamp;
+    QString source;
+    
+    Event() : timestamp(QDateTime::currentDateTime()) {}
+    Event(const QString& type, const QVariant& data = QVariant(), const QString& source = "")
+        : type(type), data(data), timestamp(QDateTime::currentDateTime()), source(source) {}
+};
+
+class QEventBus : public QObject
+{
+    Q_OBJECT
+public:
+    static QEventBus* instance();
+    
+    // 事件发布/订阅
+    void publish(const QString& eventType, const QVariant& data = QVariant(), 
+                 const QString& source = "");
+    void subscribe(const QString& eventType, QObject* receiver, const char* method);
+    void unsubscribe(const QString& eventType, QObject* receiver);
+    void unsubscribeAll(QObject* receiver);
+    
+    // 事件历史
+    QList<Event> getEventHistory(const QString& type = "", int limit = 100) const;
+    void clearEventHistory();
+    
+    // 统计信息
+    int getEventCount(const QString& type = "") const;
+    QMap<QString, int> getEventStatistics() const;
+    
+signals:
+    void eventPublished(const Event& event);
+
+private:
+    explicit QEventBus(QObject *parent = nullptr);
+    ~QEventBus();
+    
+    struct Subscription {
+        QObject* receiver;
+        QByteArray method;
+        int connectionType; // 0: auto, 1: queued, 2: blocking
+    };
+    
+    QMap<QString, QList<Subscription>> m_subscriptions;
+    QList<Event> m_eventHistory;
+    mutable QMutex m_mutex;
+    int m_maxHistorySize = 1000;
+    
+    // 连接类型枚举
+    enum ConnectionType {
+        AutoConnection = 0,
+        QueuedConnection = 1,
+        BlockingQueuedConnection = 2
+    };
+};
+
+#endif // QEVENTBUS_H