public static DTXLocalContext getOrNew() {
        if (currentLocal.get() == null) {
            currentLocal.set(new DTXLocalContext());
        }
        return currentLocal.get();
    }
public static DTXLocalContext getOrNew() {
        if (currentLocal.get() == null) {
            currentLocal.set(new DTXLocalContext());
        }
        return currentLocal.get();
    }
public static DTXLocalContext getOrNew ( ) { if ( currentLocal . get ( ) == null ) { currentLocal . set ( new DTXLocalContext ( ) ) ; } return currentLocal . get ( ) ; }
获取或新建一个线程变量。

@return 当前线程变量
获取或新建一个线程变量。