fix:主备切换

2025-06-04 10:13:37 +08:00
parent fbcbe79388
commit e4020b1bbc
4 changed files with 276 additions and 303 deletions
@@ -1,135 +0,0 @@
-package com.sunyard.pool;
-
-import racal.sunyard.main.SydApi4j;
-
-import java.io.IOException;
-import java.util.Set;
-import java.util.concurrent.*;
-
-public class ConnectionManager {
-
-    // 单例实例（静态内部类实现线程安全延迟加载）
-    private static class Holder {
-        static final ConnectionManager INSTANCE = new ConnectionManager();
-    }
-
-    // 私有构造函数（禁止外部实例化）
-    private ConnectionManager() {
-        Runtime.getRuntime().addShutdownHook(new Thread(this::shutdown));
-    }
-
-    // 全局访问点
-    public static ConnectionManager getInstance() {
-        return Holder.INSTANCE;
-    }
-
-    // 使用线程安全的ConcurrentHashMap存储连接
-    private final ConcurrentHashMap<String, SydApi4j> connectionCache = new ConcurrentHashMap<>();
-
-    /**
-     * 获取或创建指定URL的连接
-     * @param url 目标服务地址
-     * @return 已存在的或新建的SydReq连接
-     * @throws IOException 当创建连接失败时抛出
-     */
-    public SydApi4j getConnection(String url, int timeout) throws Exception {
-        // 使用compute方法保证原子操作
-        return connectionCache.compute(url, (key, existingConn) -> {
-            try {
-                // 验证现有连接有效性
-                if (isConnectionValid(existingConn)) {
-                    return existingConn;
-                }
-
-                // 关闭失效连接（如果存在）
-                closeConnectionQuietly(existingConn);
-
-                // 创建新连接
-                return createNewConnection(url, timeout);
-            } catch (Exception e) {
-                throw new RuntimeException("连接创建失败", e);
-            }
-        });
-    }
-
-    // 连接有效性验证
-    private boolean isConnectionValid(SydApi4j conn) {
-        return conn != null && conn.isActive();
-    }
-
-    // 安全关闭连接
-    private void closeConnectionQuietly(SydApi4j conn) {
-        try {
-            if (conn != null) {
-                conn.disconnect();
-            }
-        } catch (Exception e) {
-
-        }
-    }
-
-    // 创建新连接（提取共用逻辑）
-    private SydApi4j createNewConnection(String url, int timeout) throws Exception {
-        try {
-            String[] addressParts = parseUrl(url);
-            String ip = addressParts[0];
-            int port = Integer.parseInt(addressParts[1]);
-
-            SydApi4j newConn = new SydApi4j();
-            newConn.connect(ip, port, null, timeout);
-            return newConn;
-        } catch (Exception e) {
-            throw new RuntimeException("连接创建失败: " + url, e);
-        }
-    }
-
-    // URL解析验证
-    private String[] parseUrl(String url) throws IllegalArgumentException {
-        String[] parts = url.split(":");
-        if (parts.length != 2) {
-            throw new IllegalArgumentException("无效的URL格式: " + url);
-        }
-        return parts;
-    }
-
-    /**
-     * 关闭指定URL的连接并从缓存移除
-     * @param url 需要关闭的服务地址
-     */
-    public void closeConnection(String url) {
-        SydApi4j conn = connectionCache.remove(url);
-        if (conn != null) {
-            try {
-                conn.disconnect(); // 假设这是关闭连接的方法
-                System.out.println("连接已关闭: " + url);
-            } catch (Exception e) {
-                System.err.println("关闭连接异常 [" + url + "]: " + e.getMessage());
-            }
-        }
-    }
-
-    /**
-     * 关闭所有连接并清空缓存
-     */
-    public void closeAllConnections() {
-        // 创建当前URL的副本避免并发修改
-        Set<String> urls = ConcurrentHashMap.newKeySet();
-        urls.addAll(connectionCache.keySet());
-
-        urls.forEach(this::closeConnection);
-    }
-
-    /**
-     * 获取当前缓存中的连接数量
-     */
-    public int size() {
-        return connectionCache.size();
-    }
-
-    private void shutdown() {
-        connectionCache.forEach((url, conn) -> {
-            conn.disconnect();
-        });
-        connectionCache.clear();
-    }
-}