日志分析

patient-co-analysis/src/main/java/com/yihu/wlyy/analysis/etl/LogDataTransform.java

@@ -37,9 +37,11 @@ public class LogDataTransform {
     * @return
     */
    public static LogDataTransform getLogTransform() {
        synchronized (obj) {
            if (instance == null) {
                instance = new LogDataTransform();
        if(instance == null) {
            synchronized (obj) {
                if (instance == null) {
                    instance = new LogDataTransform();
                }
            }
        }
        return instance;