23418: [OCC] Mesh: Minimization of memory usage of SMESH

[modules/smesh.git] / src / SMESH / SMESH_Gen.cxx

diff --git a/src/SMESH/SMESH_Gen.cxx b/src/SMESH/SMESH_Gen.cxx
index 7ca0a59fa14bf66169b75b1e78cd6a1cfd4d1c11..f87162e45de947a63c8c93497a4f68bead3d03e5 100644 (file)
--- a/src/SMESH/SMESH_Gen.cxx
+++ b/src/SMESH/SMESH_Gen.cxx
@@ -20,7 +20,7 @@
 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 
-//  SMESH SMESH : implementaion of SMESH idl descriptions
+//  SMESH SMESH : implementation of SMESH idl descriptions
 //  File   : SMESH_Gen.cxx
 //  Author : Paul RASCLE, EDF
 //  Module : SMESH
@@ -54,9 +54,6 @@
 
 using namespace std;
 
-//#include <vtkDebugLeaks.h>
-
-
 //=============================================================================
 /*!
  *  Constructor
@@ -68,9 +65,20 @@ SMESH_Gen::SMESH_Gen()
   _localId = 0;
   _hypId   = 0;
   _segmentation = _nbSegments = 10;
-  SMDS_Mesh::_meshList.clear();
   _compute_canceled = false;
-  //vtkDebugLeaks::SetExitError(0);
+}
+
+namespace
+{
+  // a structure used to nullify SMESH_Gen field of SMESH_Hypothesis,
+  // which is needed for SMESH_Hypothesis not deleted before ~SMESH_Gen()
+  struct _Hyp : public SMESH_Hypothesis
+  {
+    void NullifyGen()
+    {
+      _gen = 0;
+    }
+  };
 }
 
 //=============================================================================
@@ -84,9 +92,16 @@ SMESH_Gen::~SMESH_Gen()
   std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
   for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
   {
-    delete i_sc->second->myDocument;
-    delete i_sc->second;
-  }  
+    StudyContextStruct* context = i_sc->second;
+    std::map < int, SMESH_Hypothesis * >::iterator i_hyp = context->mapHypothesis.begin();
+    for ( ; i_hyp != context->mapHypothesis.end(); ++i_hyp )
+    {
+      if ( _Hyp* h = static_cast< _Hyp*>( i_hyp->second ))
+        h->NullifyGen();
+    }
+    delete context->myDocument;
+    delete context;
+  }
 }
 
 //=============================================================================
@@ -101,7 +116,7 @@ SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
 {
   Unexpect aCatch(SalomeException);
 
-  // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
+  // Get studyContext, create it if it doesn't exist, with a SMESHDS_Document
   StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
 
   // create a new SMESH_mesh object
@@ -387,8 +402,10 @@ bool SMESH_Gen::Compute(SMESH_Mesh &          aMesh,
   }
 
   if ( aCompactMesh )
-    aMesh.GetMeshDS()->compactMesh();
-
+  {
+    aMesh.GetMeshDS()->Modified();
+    aMesh.GetMeshDS()->CompactMesh();
+  }
   return ret;
 }
 
@@ -586,7 +603,6 @@ bool SMESH_Gen::Evaluate(SMESH_Mesh &          aMesh,
     ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
   }
 
-  MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
   return ret;
 }
 
@@ -656,7 +672,7 @@ static bool checkConformIgnoredAlgos(SMESH_Mesh&               aMesh,
           checkConform = false; // no more check conformity
           INFOS( "ERROR: Local <" << algo->GetName() <<
                 "> would produce not conform mesh: "
-                "<Not Conform Mesh Allowed> hypotesis is missing");
+                "<Not Conform Mesh Allowed> hypothesis is missing");
           theErrors.push_back( SMESH_Gen::TAlgoStateError() );
           theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
         }
@@ -1132,7 +1148,7 @@ SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_subMesh * aSubMesh,
 
 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
 {
-  // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
+  // Get studyContext, create it if it doesn't exist, with a SMESHDS_Document
 
   if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
   {
@@ -1169,7 +1185,7 @@ int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
 
 //=============================================================================
 /*!
- * Genarate a new id unique withing this Gen
+ * Genarate a new id unique within this Gen
  */
 //=============================================================================