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EpetraExt_Transform_Composite.h
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00041 
00042 //-----------------------------------------------------------------------
00043 // EpetraExt_Transform_Composite.h
00044 //-----------------------------------------------------------------------
00045 
00046 #ifndef EPETRAEXT_TRANSFORM_COMPOSITE_H
00047 #define EPETRAEXT_TRANSFORM_COMPOSITE_H
00048 
00049 #include <EpetraExt_Transform.h>
00050 
00051 #include <list>
00052 
00053 namespace EpetraExt {
00054 
00056 
00059 template<typename T>
00060 class Transform_Composite : public SameTypeTransform<T>
00061 {
00062 
00063  public:
00064 
00065   typedef SameTypeTransform<T> * TransformTypePtr;
00066 
00068   Transform_Composite() {}
00069 
00071   virtual ~Transform_Composite();
00072 
00074 
00077   void addTransform( TransformTypePtr new_trans );
00078 
00080 
00087   virtual
00088   typename Transform<T,T>::NewTypeRef
00089   operator()
00090   ( typename Transform<T,T>::OriginalTypeRef orig );
00091 
00093 
00098   virtual bool fwd();
00099 
00101 
00105   virtual bool rvs();
00106 
00107  protected:
00108 
00109   typedef typename std::list<TransformTypePtr>::iterator         TransListIter;
00110   typedef typename std::list<TransformTypePtr>::reverse_iterator TransListRvsIter;
00111 
00112   std::list<TransformTypePtr> transList_;
00113 
00114 }; // end class Tranform_Composite
00115 
00116 template<typename T>
00117 Transform_Composite<T>::
00118 ~Transform_Composite()
00119 {
00120   TransListIter iter = transList_.begin();
00121   TransListIter end = transList_.end();
00122   for( ; iter != end; ++iter ) delete *iter;
00123 }
00124 
00125 template<typename T>
00126 void
00127 Transform_Composite<T>::
00128 addTransform( TransformTypePtr new_trans )
00129 {
00130   transList_.push_back( new_trans );
00131 }
00132 
00133 template<typename T>
00134 typename Transform<T,T>::NewTypeRef
00135 Transform_Composite<T>::
00136 operator()
00137 ( typename Transform<T,T>::OriginalTypeRef orig )
00138 {
00139   this->origObj_ = &orig;
00140   this->newObj_ = &orig;
00141 
00142   TransListIter iter = transList_.begin();
00143   TransListIter end = transList_.end();
00144   for( ; iter != end; ++iter )
00145     this->newObj_ = &((**iter)( *(this->newObj_) ));
00146 
00147   return *(this->newObj_);
00148 }
00149 
00150 template<typename T>
00151 bool
00152 Transform_Composite<T>::
00153 fwd()
00154 {
00155   bool success = true;
00156 
00157   TransListIter iter = transList_.begin();
00158   TransListIter end = transList_.end();
00159   for( ; iter != end; ++iter )
00160     if( !(**iter).fwd() ) return false;
00161 
00162   return success;
00163 }
00164 
00165 template<typename T>
00166 bool
00167 Transform_Composite<T>::
00168 rvs()
00169 {
00170   bool success = true;
00171 
00172   TransListRvsIter iter = transList_.rbegin();
00173   TransListRvsIter end = transList_.rend();
00174   for( ; iter != end; ++iter )
00175     if( !(**iter).rvs() ) return false;
00176 
00177   return success;
00178 }
00179 
00180 } //namespace EpetraExt
00181   
00182 #endif //EPETRAEXT_TRANSFORM_COMPOSITE_H
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