refactor: SCHWED-4345 move IsValid to the implementation

modules/mol/base/src/atom_base.cc

@@ -102,6 +102,11 @@ String AtomBase::GetQualifiedName() const
   return Impl()->GetQualifiedName();
 }
 
+bool AtomBase::IsValid() const
+{
+  return Impl().get()!=0;
+}
+
 void AtomBase::CheckValidity() const 
 {
   if (! (impl_ && impl_->GetEntity()))

modules/mol/base/src/atom_base.hh

@@ -57,7 +57,7 @@ public:
   operator bool() const { return this->IsValid(); }
   /// \brief check validity of handle
   /// \sa #operator bool()
-  bool IsValid() const { return Impl().get()!=0; }
+  bool IsValid() const;
   //@}
   friend class ConstGenericPropContainer<AtomBase>;  
   ///\brief Get atom name. 

modules/mol/base/src/chain_base.cc

@@ -52,6 +52,11 @@ String ChainBase::GetDescription() const {
   return impl_->GetDescription();
 }
 
+bool ChainBase::IsValid() const
+{
+  return Impl().get()!=0;
+}
+
 void ChainBase::CheckValidity() const {
   if (! (impl_ && impl_->GetEntity()))
     throw InvalidHandle();

modules/mol/base/src/chain_base.hh

@@ -55,7 +55,7 @@ public:
   operator bool() const { return this->IsValid(); }
   /// \brief check validity of handle
   /// \sa #operator bool()
-  bool IsValid() const { return Impl().get()!=0; }
+  bool IsValid() const;
   //@}
   friend class ConstGenericPropContainer<ChainBase>;
   String GetName() const;

modules/mol/base/src/residue_base.cc

@@ -156,6 +156,11 @@ const impl::ResidueImplPtr& ResidueBase::Impl() const
   return impl_;
 }
 
+bool ResidueBase::IsValid() const
+{
+  return Impl().get()!=0;
+}
+
 void ResidueBase::CheckValidity() const 
 {
   if (! (impl_ && impl_->GetEntity()))

modules/mol/base/src/residue_base.hh

@@ -81,7 +81,7 @@ public:
   operator bool() const { return this->IsValid(); }
   /// \brief check validity of handle
   /// \sa #operator bool()
-  bool IsValid() const { return Impl().get()!=0; }
+  bool IsValid() const;
   friend class ConstGenericPropContainer<ResidueBase>;
   /// \brief return residue number
   const ResNum& GetNumber() const;