Remove Hans accidentally committed.

arangod/Wal/Hans.h

@@ -1,79 +0,0 @@
-
-struct LogfileInfo {
-  TRI_voc_fid_t     _fid;
-  std::atomic<int>  _counter = 0;
-  std::atomic<bool> _wantCompaction = false;
-};
-
-class MasterPointerCollector {
-
-  public:
-
-    MasterPointerCollector (TRI_voc_fid_t fid) 
-      : _fid(fid) {
-
-      while (true) {
-        {
-          MutexLocker locker(_lock);
-          if (_fidMist[fid]->_refCount == 0) {
-            _fidMist[fid]->_wantCompaction = true;
-            break;
-          }
-        }
-        usleep(1000);
-      }
-
-      // refCount  == 0 && wantCompaction == true
-
-
-      // compaction is done
-      MutexLocker locker(_lock);
-      _fidMist[fid]->_wantDeletion = true;
-    }
-    
-    ~MasterPointerCollector () {
-    }
-    
-};
-
-class MasterPointerUser {
-
-  public:
-
-    MasterPointerUser (TRI_doc_mptr_t* mptr) {
-
-      TRI_voc_fid_t fid = mptr->_fid;
-
-      while (true) {
-        {
-          MutexLocker locker(_lock);
-          if (_fidMist[fid]->_wantDeletion || 
-              ! exists(_fidMist[fid])) {
-            fid = mptr->_fid;
-            continue;
-          }
-
-          if (! _fidMist[fid]->_wantCompaction) {
-            ++_fidMist[fid]->_refCount;
-            break;
-          }
-        }
-        usleep(1000);
-      }
-
-      // refCount > 0 && wantCompaction == false
-
-      // use mptr->_data etc.
-    }
-
-    typedef struct Mist {
-      bool _wantCompaction;
-      bool _wantDeletion;
-      int  _refCount;
-    };
-
-    basics::Mutex _lock;
-
-    std::map<TRI_voc_fid_t, Mist> _fidMist;
-   
-};