mlDICOMCachedIOTagCache.h

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// Copyright (c) Fraunhofer MEVIS, Germany. All rights reserved.
// **InsertLicense** code
//----------------------------------------------------------------------------------
 
//----------------------------------------------------------------------------------
 
#pragma once
 
#include "MLDICOMCachedIOSystem.h"
#include <mlTypeDefs.h>
#include <mlConstantString.h>
 
#include <FMEThirdPartyWarningsDisable.h>
#include <set>
#include <FMEThirdPartyWarningsRestore.h>
 
#include <DCMTree_Lib.h>
#include "DCMTree_MFPixelTag.h"
 
 
namespace DPL {
 class Configuration;
}
 
ML_START_NAMESPACE
  template<typename CT> class DICOMCachedIOFileHandleBase;
  
  
  typedef DICOMCachedIOFileHandleBase<char> DICOMCachedIOFileHandle;
  class DicomMessageCollector;
  class IntField;
ML_END_NAMESPACE
 
class MLDICOMCachedIOTagCacheMap;
class MLMFPixDataFramesCacheEntry;
 
class MLDICOMCachedIO_EXPORT MLDICOMCachedIOTagCache {
 
  public:
  MLDICOMCachedIOTagCache();
  MLDICOMCachedIOTagCache(const MLDICOMCachedIOTagCache&) = delete;
  MLDICOMCachedIOTagCache& operator=(const MLDICOMCachedIOTagCache&) = delete;
  ~MLDICOMCachedIOTagCache();
  
  static MLDICOMCachedIOTagCache singletonProxy();
 
  DCMTree::Const_TagPtr getCachedDCMTag(const ML_NAMESPACE::DICOMCachedIOFileHandle &fileHandle,
                                        DCMTree::RawTagId rawTagId) const;
 
  void removeAssociatedEntries(const ML_NAMESPACE::DICOMCachedIOFileHandle &fileHandle);
  
  DCMTree::Const_TagPtr loadDCMTag(const ML_NAMESPACE::ConstantString  &fileHandle,
                                   DCMTree::RawTagId                   rawTagId,
                                   MLint                               maxTagValueSizeToCache,
                                   bool                                *treeLoadFailed,
                                   bool                                *cacheMiss,
                                   ML_NAMESPACE::DicomMessageCollector &dcmMsgCollector);
 
  void prefetchDCMTags(const ML_NAMESPACE::ConstantString  &fileHandle,
                       const std::set<MLuint32>            &tagIds,
                       MLint                               maxTagValueSizeToCache,
                       bool                                *treeLoadFailed,
                       ML_NAMESPACE::DicomMessageCollector &dcmMsgCollector);
 
  void flush(const MLint maxBytes, const bool flushAll=false);
 
  void flush();
  
  MLint getNumFlushedBytes() const;
  
  void resetNumFlushedBytes();
 
  void clear();
 
  void  setMaxNumBytes(MLint maxNumBytes);
 
  void  setMaxNumMegaBytes(MLint maxNumMegaBytes);
 
  MLint getMaxNumBytes() const;
 
  MLint getMaxNumMegaBytes() const;
 
  ml::IntField& getMaxNumMegaBytesFld() const;
 
  MLint getTotalNumberOfBytes() const;
 
  const MLDICOMCachedIOTagCacheMap * getCachedIOTagCacheMap() const;
 
private:
  
  static MLDICOMCachedIOTagCacheMap *_tagCachePtr;
 
  static MLuint                      _instanceCounter;
  
  MLDICOMCachedIOTagCacheMap& _getCachedIOTagCacheMap() const;
 
};