MED file loading on demand.

[modules/med.git] / src / MEDLoader / MEDFileField.hxx

diff --git a/src/MEDLoader/MEDFileField.hxx b/src/MEDLoader/MEDFileField.hxx
index 867e36cb1dfdf8cd3de1545e6361d8f40bd2c06d..86a104dad5e567b733ce34679aaaf137f9466239 100644 (file)
--- a/src/MEDLoader/MEDFileField.hxx
+++ b/src/MEDLoader/MEDFileField.hxx
@@ -503,10 +503,12 @@ namespace ParaMEDMEM
     bool renumberEntitiesLyingOnMesh(const char *meshName, const std::vector<int>& oldCode, const std::vector<int>& newCode, const DataArrayInt *renumO2N, MEDFileFieldGlobsReal& glob) throw(INTERP_KERNEL::Exception);
   public:
     void allocNotFromFile(int newNbOfTuples) throw(INTERP_KERNEL::Exception);
-    void allocIfNecessaryTheArrayToReceiveDataFromFile() throw(INTERP_KERNEL::Exception);
+    bool allocIfNecessaryTheArrayToReceiveDataFromFile() throw(INTERP_KERNEL::Exception);
     void loadOnlyStructureOfDataRecursively(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
     void loadBigArraysRecursively(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
+    void loadBigArraysRecursivelyIfNecessary(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
     void loadStructureAndBigArraysRecursively(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
+    void releaseArrays() throw(INTERP_KERNEL::Exception);
     void writeLL(med_idt fid, const MEDFileWritable& opts, const MEDFileFieldNameScope& nasc) const throw(INTERP_KERNEL::Exception);
   protected:
     int getMeshIdFromMeshName(const char *mName) const throw(INTERP_KERNEL::Exception);
@@ -644,6 +646,9 @@ namespace ParaMEDMEM
     int getNonEmptyLevels(const char *mname, std::vector<int>& levs) const throw(INTERP_KERNEL::Exception);
   public:
     void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void loadArrays() throw(INTERP_KERNEL::Exception);
+    void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
+    void releaseArrays() throw(INTERP_KERNEL::Exception);
     std::vector< MEDCouplingAutoRefCountObjectPtr< MEDFileAnyTypeField1TS > > splitComponents() const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeField1TS *deepCpy() const throw(INTERP_KERNEL::Exception);
     int copyTinyInfoFrom(const MEDCouplingFieldDouble *field, const DataArray *arr) throw(INTERP_KERNEL::Exception);
@@ -802,6 +807,9 @@ namespace ParaMEDMEM
     bool renumberEntitiesLyingOnMesh(const char *meshName, const std::vector<int>& oldCode, const std::vector<int>& newCode, const DataArrayInt *renumO2N, MEDFileFieldGlobsReal& glob) throw(INTERP_KERNEL::Exception);
     void loadStructureOrStructureAndBigArraysRecursively(med_idt fid, int nbPdt, med_field_type fieldTyp, bool loadAll) throw(INTERP_KERNEL::Exception);
     void writeLL(med_idt fid, const MEDFileWritable& opts) const throw(INTERP_KERNEL::Exception);
+    void loadBigArraysRecursively(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
+    void loadBigArraysRecursivelyIfNecessary(med_idt fid, const MEDFileFieldNameScope& nasc) throw(INTERP_KERNEL::Exception);
+    void releaseArrays() throw(INTERP_KERNEL::Exception);
   public:
     const MEDFileAnyTypeField1TSWithoutSDA *getTimeStepAtPos2(int pos) const throw(INTERP_KERNEL::Exception);
     MEDFileAnyTypeField1TSWithoutSDA *getTimeStepAtPos2(int pos) throw(INTERP_KERNEL::Exception);
@@ -881,7 +889,10 @@ namespace ParaMEDMEM
     static MEDFileAnyTypeFieldMultiTSWithoutSDA *BuildContentFrom(med_idt fid, const char *fileName, const char *fieldName, bool loadAll) throw(INTERP_KERNEL::Exception);
   public:
     static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
-    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, const char *fieldName) throw(INTERP_KERNEL::Exception);
+    static MEDFileAnyTypeFieldMultiTS *New(const char *fileName, const char *fieldName, bool loadAll=true) throw(INTERP_KERNEL::Exception);
+    void loadArrays() throw(INTERP_KERNEL::Exception);
+    void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
+    void releaseArrays() throw(INTERP_KERNEL::Exception);
     void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
     void writeLL(med_idt fid) const throw(INTERP_KERNEL::Exception);
     std::size_t getHeapMemorySize() const;
@@ -1043,6 +1054,9 @@ std::vector< std::vector<DataArrayDouble *> > getFieldSplitedByType2(int iterati
     MEDFileFields *shallowCpy() const throw(INTERP_KERNEL::Exception);
     void write(const char *fileName, int mode) const throw(INTERP_KERNEL::Exception);
     void writeLL(med_idt fid) const throw(INTERP_KERNEL::Exception);
+    void loadArrays() throw(INTERP_KERNEL::Exception);
+    void loadArraysIfNecessary() throw(INTERP_KERNEL::Exception);
+    void releaseArrays() throw(INTERP_KERNEL::Exception);
     int getNumberOfFields() const;
     std::vector< std::pair<int,int> > getCommonIterations(bool& areThereSomeForgottenTS) const throw(INTERP_KERNEL::Exception);
     std::vector<std::string> getFieldsNames() const throw(INTERP_KERNEL::Exception);