FieldHandler< TOutput, TCField, TDBField > Class Template Reference

#include <RecordHelper.h>

Inheritance diagram for FieldHandler< TOutput, TCField, TDBField >:

List of all members.

Public Types
typedef coral::AttributeList	AttributeList
typedef void(TOutput::*	TSetMethod )(const TCField)
Public Member Functions
virtual void	extractValue (const AttributeList &src, TOutput &dest)
	FieldHandler (const std::string &fieldName, TSetMethod setter)
Protected Attributes
TSetMethod	setter_

---

Detailed Description

template<class TOutput, class TCField, class TDBField>
class FieldHandler< TOutput, TCField, TDBField >

A template field handler that simply

• casts the data field to TCField
• converts that value to TCField
• passes it to a setter method of a TOutput object

Definition at line 59 of file RecordHelper.h.

---

Member Typedef Documentation

template<class TOutput, class TCField, class TDBField>

typedef coral::AttributeList FieldHandler< TOutput, TCField, TDBField >::AttributeList

Reimplemented from FieldHandlerBase< TOutput >.

Reimplemented in ASCIIBoolFieldHandler< TOutput, FalseCharacter >.

Definition at line 61 of file RecordHelper.h.

template<class TOutput, class TCField, class TDBField>

typedef void(TOutput::* FieldHandler< TOutput, TCField, TDBField >::TSetMethod)(const TCField)

Definition at line 62 of file RecordHelper.h.

---

Constructor & Destructor Documentation

template<class TOutput, class TCField, class TDBField>

FieldHandler< TOutput, TCField, TDBField >::FieldHandler	(	const std::string &	fieldName,
		TSetMethod	setter
	)		[inline]

Definition at line 64 of file RecordHelper.h.

                                  : FieldHandlerBase<TOutput>(fieldName), setter_(setter) 
  { }

---

Member Function Documentation

template<class TOutput, class TCField, class TDBField>

virtual void FieldHandler< TOutput, TCField, TDBField >::extractValue	(	const AttributeList &	src,
		TOutput &	dest
	)		[inline, virtual]

Actual data extraction.

Implements FieldHandlerBase< TOutput >.

Reimplemented in ASCIIBoolFieldHandler< TOutput, FalseCharacter >.

Definition at line 69 of file RecordHelper.h.

                                                                     { 
#ifdef RECORDHELPER_DEBUG
    std::cout << "Parsing field " << this->getName() << " with type " << typeid(TCField).name() ;
#endif
    typedef typename boost::remove_cv<typename boost::remove_reference<TDBField>::type>::type TDBFieldT;
    const TDBFieldT & value = src[this->getColumnName()].template data< TDBFieldT >();
    ((dest).*setter_)(TCField(value));

#ifdef RECORDHELPER_DEBUG
    std::cout << "=" << TCField(value) << std::endl ; 
#endif
  }

---

Member Data Documentation

template<class TOutput, class TCField, class TDBField>

TSetMethod FieldHandler< TOutput, TCField, TDBField >::setter_ [protected]

Points to the setter method used to stuff the field's value into the destination object.

Definition at line 85 of file RecordHelper.h.

Referenced by FieldHandler< TOutput, bool, char >::extractValue().