代码优化，抽取公共方法，优化clickhousesink写入

src/main/java/com/zdjizhi/utils/ck/CKUtils.java

@@ -0,0 +1,54 @@
+package com.zdjizhi.utils.ck;
+
+import cn.hutool.core.io.IoUtil;
+import cn.hutool.log.Log;
+import cn.hutool.log.LogFactory;
+import ru.yandex.clickhouse.BalancedClickhouseDataSource;
+import ru.yandex.clickhouse.settings.ClickHouseProperties;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.concurrent.TimeUnit;
+
+import static com.zdjizhi.common.FlowWriteConfig.*;
+
+public class CKUtils {
+
+    private static final Log log = LogFactory.get();
+
+    private static Connection connection;
+
+    public static Connection getConnection() {
+
+        try {
+            ClickHouseProperties props = new ClickHouseProperties();
+            props.setDatabase(CK_DATABASE);
+            props.setUser(CK_USERNAME);
+            props.setPassword(CK_PIN);
+            props.setConnectionTimeout(CK_CONNECTION_TIMEOUT);
+            props.setSocketTimeout(CK_SOCKET_TIMEOUT);
+            props.setMaxThreads(50);
+
+            BalancedClickhouseDataSource blDataSource = new BalancedClickhouseDataSource("jdbc:clickhouse://" + CK_HOSTS, props);
+            blDataSource.actualize();
+            blDataSource.scheduleActualization(10, TimeUnit.SECONDS);//开启检测
+
+//            HikariConfig conf = new HikariConfig();
+//            conf.setDataSource(blDataSource);
+//            conf.setMinimumIdle(1);
+//            conf.setMaximumPoolSize(20);
+//
+//            HikariDataSource hkDs = new HikariDataSource(conf);
+            connection = blDataSource.getConnection();
+            log.debug("get clickhouse connection success");
+        } catch (SQLException e) {
+            log.error("clickhouse connection error ,{}", e);
+        }
+        return connection;
+    }
+
+    public static void close(Connection connection) throws Exception {
+        IoUtil.close(connection);
+    }
+
+}