src/HYDROData/HYDROData_PriorityQueue.cxx

   1
   2 #include <HYDROData_PriorityQueue.h>
   3 #include <HYDROData_CalculationCase.h>
   4 #include <HYDROData_Iterator.h>
   5 #include <TDataStd_ReferenceList.hxx>
   6 #include <TDataStd_Integer.hxx>
   7 #include <TDF_ChildIterator.hxx>
   8
   9 HYDROData_PriorityQueue::HYDROData_PriorityQueue( HYDROData_CalculationCase* theCalcCase )
  10 {
  11   myGeomObjects = theCalcCase->GetGeometryObjects();
  12   for( int i=myGeomObjects.Lower(), n=myGeomObjects.Upper(); i<=n; i++ )
  13   {
  14     Handle(HYDROData_Object) anObj = Handle(HYDROData_Object)::DownCast( myGeomObjects.Value( i ) );
  15     if( !anObj.IsNull() )
  16     {
  17       QString anObjName = anObj->GetName();
  18       myNames[anObjName] = anObj;
  19     }
  20   }
  21
  22   myRules = GetRules( theCalcCase->Label().FindChild( HYDROData_CalculationCase::DataTag_CustomRules ) );
  23 }
  24
  25 HYDROData_PriorityQueue::~HYDROData_PriorityQueue()
  26 {
  27 }
  28
  29 Handle(HYDROData_Object) HYDROData_PriorityQueue::GetMostPriorityObject( const QStringList& theZoneObjects,
  30                                                                          HYDROData_Zone::MergeAltitudesType& theMergeType ) const
  31 {
  32   Handle(HYDROData_Object) aMostPriorityObj;
  33   theMergeType = HYDROData_Zone::Merge_Object;
  34   QStringList::const_iterator anIt = theZoneObjects.begin(), aLast = theZoneObjects.end();
  35   for( ; anIt!=aLast; anIt++ )
  36   {
  37     HYDROData_Zone::MergeAltitudesType aLocalMerge = HYDROData_Zone::Merge_UNKNOWN;
  38     Handle(HYDROData_Object) anObj = myNames[*anIt];
  39     if( !anObj.IsNull() )
  40       if( aMostPriorityObj.IsNull() || IsMorePriority( anObj, aMostPriorityObj, aLocalMerge ) )
  41       {
  42         aMostPriorityObj = anObj;
  43         theMergeType = aLocalMerge;
  44       }
  45   }
  46   return aMostPriorityObj;
  47 }
  48
  49 bool HYDROData_PriorityQueue::IsMorePriority( const Handle(HYDROData_Object)& theObj1,
  50                                               const Handle(HYDROData_Object)& theObj2,
  51                                               HYDROData_Zone::MergeAltitudesType& theMergeType ) const
  52 {
  53   // 1. First we check custom rules
  54   HYDROData_ListOfRules::const_iterator anIt = myRules.begin(), aLast = myRules.end();
  55   for( ; anIt!=aLast; anIt++ )
  56   {
  57     if( anIt->Object1->Label()==theObj1->Label() && anIt->Object2->Label()==theObj2->Label() )
  58     {
  59       theMergeType = anIt->MergeType;
  60       return anIt->Priority==GREATER;
  61     }
  62     if( anIt->Object1->Label()==theObj2->Label() && anIt->Object2->Label()==theObj1->Label() )
  63     {
  64       theMergeType = anIt->MergeType;
  65       return anIt->Priority==LESS;
  66     }
  67   }
  68
  69   // 2. If no custom rule found, the standard ordering list is applied
  70   for( int i=myGeomObjects.Lower(), n=myGeomObjects.Upper(); i<=n; i++ )
  71   {
  72     if( myGeomObjects.Value( i )->Label() == theObj1->Label() )
  73     {
  74       theMergeType = HYDROData_Zone::Merge_Object;
  75       return true;
  76     }
  77     if( myGeomObjects.Value( i )->Label() == theObj2->Label() )
  78     {
  79       theMergeType = HYDROData_Zone::Merge_Object;
  80       return false;
  81     }
  82   }
  83   return false;
  84 }
  85
  86 void HYDROData_PriorityQueue::ClearRules( TDF_Label& theRulesLabel )
  87 {
  88   theRulesLabel.ForgetAllAttributes( true );
  89 }
  90
  91 enum HYDROData_PriorityQueueTag
  92 {
  93   Object1_Tag,
  94   Priority_Tag,
  95   Object2_Tag,
  96   Merge_Tag,
  97 };
  98
  99 void HYDROData_PriorityQueue::AddRule( TDF_Label&                         theRulesLabel,
 100                                        const Handle(HYDROData_Object)&    theObject1,
 101                                        HYDROData_PriorityType             thePriority,
 102                                        const Handle(HYDROData_Object)&    theObject2,
 103                                        HYDROData_Zone::MergeAltitudesType theMergeType )
 104 {
 105   TDF_Label aNewRuleLab = theRulesLabel.NewChild();
 106
 107   TDF_Label anObj1Lab = aNewRuleLab.FindChild( Object1_Tag );
 108   Handle(TDataStd_ReferenceList) aRefs = TDataStd_ReferenceList::Set( anObj1Lab );
 109   aRefs->Append( theObject1->Label() );
 110
 111   TDF_Label aPriorityLab = aNewRuleLab.FindChild( Priority_Tag );
 112   TDataStd_Integer::Set( aPriorityLab, thePriority );
 113
 114   TDF_Label anObj2Lab = aNewRuleLab.FindChild( Object2_Tag );
 115   aRefs = TDataStd_ReferenceList::Set( anObj2Lab );
 116   aRefs->Append( theObject2->Label() );
 117
 118   TDF_Label aMergeLab = aNewRuleLab.FindChild( Merge_Tag );
 119   TDataStd_Integer::Set( aMergeLab, theMergeType );
 120 }
 121
 122 HYDROData_ListOfRules HYDROData_PriorityQueue::GetRules( const TDF_Label& theRulesLabel )
 123 {
 124   HYDROData_ListOfRules aRules;
 125
 126   Handle(TDataStd_ReferenceList) aRefs1, aRefs2;
 127   Handle(TDataStd_Integer) aPriorityAttr, aMergeAttr;
 128
 129   TDF_ChildIterator anIt( theRulesLabel );
 130   for( ; anIt.More(); anIt.Next() )
 131   {
 132     TDF_Label aRuleLabel = anIt.Value();
 133
 134     bool isObj1OK = aRuleLabel.FindChild    ( Object1_Tag ). FindAttribute( TDataStd_ReferenceList::GetID(), aRefs1 );
 135     bool isPriorityOK = aRuleLabel.FindChild( Priority_Tag ).FindAttribute( TDataStd_Integer::GetID(),       aPriorityAttr );
 136     bool isObj2OK = aRuleLabel.FindChild    ( Object2_Tag ). FindAttribute( TDataStd_ReferenceList::GetID(), aRefs2 );
 137     bool isMergeOK = aRuleLabel.FindChild   ( Merge_Tag ).   FindAttribute( TDataStd_Integer::GetID(),       aMergeAttr );
 138
 139     if( isObj1OK && isPriorityOK && isObj2OK && isMergeOK )
 140     {
 141       HYDROData_CustomRule aRule;
 142       aRule.Object1 = Handle_HYDROData_Object::DownCast( HYDROData_Iterator::Object( aRefs1->First() ) );
 143       aRule.Priority = ( HYDROData_PriorityType ) aPriorityAttr->Get();
 144       aRule.Object2 = Handle_HYDROData_Object::DownCast( HYDROData_Iterator::Object( aRefs2->First() ) );
 145       aRule.MergeType = ( HYDROData_Zone::MergeAltitudesType ) aMergeAttr->Get();
 146       aRules.append( aRule );
 147     }
 148   }
 149
 150   return aRules;
 151 }
 152
 153 QString HYDROData_PriorityQueue::DumpRules( const TDF_Label& theRulesLab )
 154 {
 155   QString aDump = "Rules:\n";
 156   HYDROData_ListOfRules aRules = GetRules( theRulesLab );
 157   HYDROData_ListOfRules::const_iterator anIt = aRules.begin(), aLast = aRules.end();
 158   for( ; anIt!=aLast; anIt++ )
 159   {
 160     QString aRule = anIt->Object1->GetName() + " ";
 161     aRule += ( anIt->Priority == LESS ? "<" : ">" ) + QString( " " );
 162     aRule += anIt->Object2->GetName() + " ";
 163
 164     switch( anIt->MergeType )
 165     {
 166     case HYDROData_Zone::Merge_UNKNOWN:
 167       aRule += "unknown";
 168       break;
 169     case HYDROData_Zone::Merge_ZMIN:
 170       aRule += "zmin";
 171       break;
 172     case HYDROData_Zone::Merge_ZMAX:
 173       aRule += "zmax";
 174       break;
 175     case HYDROData_Zone::Merge_Object:
 176       aRule += "object";
 177       break;
 178     }
 179     aDump += aRule + "\n";
 180   }
 181   return aDump;
 182 }