first commit

sync_state_machine/sync_system/registry.py

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+"""
+策略注册器模块
+
+提供策略注册和查找功能。
+"""
+from typing import Dict, Optional, TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from .strategy import BaseSyncStrategy
+
+
+class StrategyRegistry:
+    """策略注册器"""
+    _strategies: Dict[str, "BaseSyncStrategy"] = {}
+
+    @classmethod
+    def register(cls, node_type: str, strategy: "BaseSyncStrategy"):
+        """注册策略"""
+        cls._strategies[node_type] = strategy
+
+    @classmethod
+    def get_strategy(cls, node_type: str) -> Optional["BaseSyncStrategy"]:
+        """获取策略"""
+        return cls._strategies.get(node_type)
+    
+    @classmethod
+    def clear(cls):
+        """清空所有注册的策略（用于测试）"""
+        cls._strategies.clear()