| # Gaudi Framework, version v22r4 |

Home |  | Generated: Fri Sep 2 2011

Public Member Functions | Protected Member Functions | Protected Attributes | Private Member Functions | Private Attributes

# Property Class Reference

Property base class allowing Property* collections to be "homogeneous". More...

`#include <GaudiKernel/Property.h>`

Inheritance diagram for Property:
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Collaboration diagram for Property:
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List of all members.

## Public Member Functions
const std::string & | name () const
| property name
const std::string & | documentation () const
| property documentation
const std::type_info * | type_info () const
| property type-info
std::string | type () const
| property type
virtual bool | load (Property &dest) const =0
| export the property value to the destination
virtual bool | assign (const Property &source)=0
| import the property value form the source
virtual std::string | toString () const =0
| value -> string
virtual void | toStream (std::ostream &out) const =0
| value -> stream
virtual StatusCode | fromString (const std::string &value)=0
| string -> value
const PropertyCallbackFunctor * | readCallBack () const
| Call-back functor at reading: the functor is owned by property!
const PropertyCallbackFunctor * | updateCallBack () const
| Call-back functor for update: the functor is owned by property!
virtual void | declareReadHandler (PropertyCallbackFunctor *pf)
| set new callback for reading
virtual void | declareUpdateHandler (PropertyCallbackFunctor *pf)
| set new callback for update
template<class HT >
void | declareReadHandler (void(HT::*MF)(Property &), HT *instance)
template<class HT >
void | declareUpdateHandler (void(HT::*MF)(Property &), HT *instance)
virtual void | useReadHandler () const
| use the call-back function at reading
virtual bool | useUpdateHandler ()
| use the call-back function at update
virtual | ~Property ()
| virtual destructor
virtual Property * | clone () const =0
| clone: "virtual constructor"
void | setName (const std::string &value)
| set the new value for the property name
void | setDocumentation (const std::string &documentation)
| set the documentation string
virtual std::ostream & | fillStream (std::ostream &) const
| the printout of the property value
## Protected Member Functions
| Property (const std::type_info &type, const std::string &name="")
| constructor from the property name and the type
| Property (const std::string &name, const std::type_info &type)
| constructor from the property name and the type
| Property (const Property &right)
| copy constructor
Property & | operator= (const Property &right)
| assignment operator
## Protected Attributes
PropertyCallbackFunctor * | m_readCallBack
PropertyCallbackFunctor * | m_updateCallBack
## Private Member Functions
| Property ()
## Private Attributes
std::string | m_name
std::string | m_documentation
const std::type_info * | m_typeinfo

## Detailed Description

Property base class allowing Property* collections to be "homogeneous".

Author:
  Paul Maley
  CTDay
  Vanya BELYAEV ibelyaev@physics.syr.edu

Definition at line 43 of file Property.h.

## Constructor & Destructor Documentation

Property::~Property | ( | ) | `[virtual]`

virtual destructor

Definition at line 112 of file Property.cpp.

    {
      if ( 0 != m_readCallBack   )
      { delete m_readCallBack    ; m_readCallBack    = 0 ; }
      if ( 0 != m_updateCallBack )
      { delete m_updateCallBack  ; m_updateCallBack  = 0 ; }
    }

Property::Property | ( | const std::type_info & | type,
|  | const std::string & | name = `""`
| ) |  | `[protected]`

constructor from the property name and the type

Definition at line 48 of file Property.cpp.

      : m_name            (  name )
      , m_documentation   ( name )
      , m_typeinfo        ( &type )
      , m_readCallBack    (  0  )
      , m_updateCallBack  (  0  )
    {}

Property::Property | ( | const std::string & | name,
|  | const std::type_info & | type
| ) |  | `[protected]`

constructor from the property name and the type

Definition at line 63 of file Property.cpp.

      : m_name            (  name )
      , m_documentation   ( name )
      , m_typeinfo        ( &type )
      , m_readCallBack    (  0  )
      , m_updateCallBack  (  0  )
    {}

Property::Property | ( | const Property & | right ) | `[protected]`

copy constructor

Definition at line 75 of file Property.cpp.

      : m_name     ( right.m_name     )
      , m_documentation ( right.m_documentation )
      , m_typeinfo ( right.m_typeinfo )
      , m_readCallBack   ( 0 )
      , m_updateCallBack ( 0 )
    {
      if ( 0 != right.m_readCallBack   )
      { m_readCallBack   = right.m_readCallBack   -> clone () ; }
      if ( 0 != right.m_updateCallBack )
      { m_updateCallBack = right.m_updateCallBack -> clone () ; }
    }

Property::Property | ( | ) | `[private]`

## Member Function Documentation

virtual bool Property::assign | ( | const Property & | source ) | `[pure virtual]`

import the property value form the source

Implemented in PropertyWithValue< TYPE >, GaudiHandleProperty, GaudiHandleArrayProperty, PropertyList, PropertyWithValue< double >, PropertyWithValue< std::string >, PropertyWithValue< std::vector< std::string > >, PropertyWithValue< int >, PropertyWithValue< unsigned int >, and PropertyWithValue< bool >.

virtual Property* Property::clone | ( | ) | const`[pure virtual]`

clone: "virtual constructor"

Implemented in SimpleProperty< TYPE, VERIFIER >, SimplePropertyRef< TYPE, VERIFIER >, GaudiHandleProperty, GaudiHandleArrayProperty, SimpleProperty< double >, SimpleProperty< std::string >, SimpleProperty< std::vector< std::string > >, SimpleProperty< int >, SimpleProperty< unsigned int >, and SimpleProperty< bool >.

void Property::declareReadHandler | ( | PropertyCallbackFunctor * | pf ) | `[virtual]`

set new callback for reading

Definition at line 132 of file Property.cpp.

    {
      if ( 0 != m_readCallBack   )
      { delete m_readCallBack    ; m_readCallBack    = 0 ; }
      m_readCallBack = pf ;
    }

template<class HT >

void Property::declareReadHandler | ( | void(HT::*)(Property &) | MF,
|  | HT * | instance
| ) |  | `[inline]`

Definition at line 130 of file Property.h.

    { declareReadHandler ( new PropertyCallbackMemberFunctor< HT >( MF , obj ) ) ; }

void Property::declareUpdateHandler | ( | PropertyCallbackFunctor * | pf ) | `[virtual]`

set new callback for update

Definition at line 141 of file Property.cpp.

    {
      if ( 0 != m_updateCallBack   )
      { delete m_updateCallBack    ; m_updateCallBack    = 0 ; }
      m_updateCallBack = pf ;
    }

template<class HT >

void Property::declareUpdateHandler | ( | void(HT::*)(Property &) | MF,
|  | HT * | instance
| ) |  | `[inline]`

Definition at line 135 of file Property.h.

    { declareUpdateHandler ( new PropertyCallbackMemberFunctor< HT >( MF , obj ) ) ; }

const std::string& Property::documentation | ( | ) | const`[inline]`

property documentation

Definition at line 49 of file Property.h.

    { return m_documentation; }

std::ostream & Property::fillStream | ( | std::ostream & | stream ) | const`[virtual]`

the printout of the property value

Definition at line 182 of file Property.cpp.

    { return stream << " '" <<name() << "':" << toString() ; }

virtual StatusCode Property::fromString | ( | const std::string & | value ) | `[pure virtual]`

string -> value

Implemented in PropertyWithValue< TYPE >, GaudiHandleProperty, GaudiHandleArrayProperty, PropertyWithValue< double >, PropertyWithValue< std::string >, PropertyWithValue< std::vector< std::string > >, PropertyWithValue< int >, PropertyWithValue< unsigned int >, and PropertyWithValue< bool >.

virtual bool Property::load | ( | Property & | dest ) | const`[pure virtual]`

export the property value to the destination

Implemented in PropertyWithValue< TYPE >, GaudiHandleProperty, GaudiHandleArrayProperty, PropertyList, PropertyWithValue< double >, PropertyWithValue< std::string >, PropertyWithValue< std::vector< std::string > >, PropertyWithValue< int >, PropertyWithValue< unsigned int >, and PropertyWithValue< bool >.

const std::string& Property::name | ( | ) | const`[inline]`

property name

Definition at line 47 of file Property.h.

    { return m_name             ; }

Property & Property::operator= | ( | const Property & | right ) | `[protected]`

assignment operator

Definition at line 90 of file Property.cpp.

    {
      if ( &right == this ) { return *this ; }
      //
      m_name     = right.m_name ;
      m_documentation = right.m_documentation ;
      m_typeinfo = right.m_typeinfo ;
      //
      if ( 0 !=       m_readCallBack   )
      { delete m_readCallBack   ; m_readCallBack   = 0 ; }
      if ( 0 !=       m_updateCallBack )
      { delete m_updateCallBack ; m_updateCallBack = 0 ; }
      if ( 0 != right.m_readCallBack   )
      { m_readCallBack   = right.m_readCallBack   -> clone () ; }
      if ( 0 != right.m_updateCallBack )
      { m_updateCallBack = right.m_updateCallBack -> clone () ; }
      //
      return *this ;
    }

const PropertyCallbackFunctor * Property::readCallBack | ( | ) | const

Call-back functor at reading: the functor is owned by property!

Definition at line 122 of file Property.cpp.

    { return m_readCallBack ; }

void Property::setDocumentation | ( | const std::string & | documentation ) | `[inline]`

set the documentation string

Definition at line 92 of file Property.h.

                                                              {
        m_documentation = documentation; }

void Property::setName | ( | const std::string & | value ) | `[inline]`

set the new value for the property name

Definition at line 90 of file Property.h.

    { m_name = value ; }

virtual void Property::toStream | ( | std::ostream & | out ) | const`[pure virtual]`

value -> stream

Implemented in PropertyWithValue< TYPE >, GaudiHandleProperty, GaudiHandleArrayProperty, PropertyWithValue< double >, PropertyWithValue< std::string >, PropertyWithValue< std::vector< std::string > >, PropertyWithValue< int >, PropertyWithValue< unsigned int >, and PropertyWithValue< bool >.

virtual std::string Property::toString | ( | ) | const`[pure virtual]`

value -> string

Implemented in PropertyWithValue< TYPE >, GaudiHandleProperty, GaudiHandleArrayProperty, PropertyWithValue< double >, PropertyWithValue< std::string >, PropertyWithValue< std::vector< std::string > >, PropertyWithValue< int >, PropertyWithValue< unsigned int >, and PropertyWithValue< bool >.

std::string Property::type | ( | ) | const`[inline]`

property type

Definition at line 53 of file Property.h.

    { return m_typeinfo->name() ; }

const std::type_info* Property::type_info | ( | ) | const`[inline]`

property type-info

Definition at line 51 of file Property.h.

    { return m_typeinfo         ; }

const PropertyCallbackFunctor * Property::updateCallBack | ( | ) | const

Call-back functor for update: the functor is owned by property!

Definition at line 127 of file Property.cpp.

    { return m_updateCallBack ; }

void Property::useReadHandler | ( | ) | const`[virtual]`

use the call-back function at reading

Definition at line 150 of file Property.cpp.

    {
      if ( 0 == m_readCallBack ) { return ; }               // RETURN
      const Property& p = *this ;
      PropertyCallbackFunctor* theCallBack = m_readCallBack;
      // avoid infinite loop
      m_readCallBack = 0;
      (*theCallBack)( const_cast<Property&>(p) ) ;
      m_readCallBack = theCallBack;
    }

bool Property::useUpdateHandler | ( | ) | `[virtual]`

use the call-back function at update

Definition at line 163 of file Property.cpp.

    {
      bool sc(true);
      if ( 0 == m_updateCallBack ) { return sc; }  // RETURN
      PropertyCallbackFunctor* theCallBack = m_updateCallBack;
      // avoid infinite loop
      m_updateCallBack = 0;
      try {
        (*theCallBack)( *this ) ;
      } catch(...) {
        sc = false;
      }
      m_updateCallBack = theCallBack;
      return sc;
    }

## Member Data Documentation

std::string Property::m_documentation`[private]`

Definition at line 116 of file Property.h.

std::string Property::m_name`[private]`

Definition at line 114 of file Property.h.

PropertyCallbackFunctor* Property::m_readCallBack`[mutable, protected]`

Definition at line 121 of file Property.h.

const std::type_info* Property::m_typeinfo`[private]`

Definition at line 118 of file Property.h.

PropertyCallbackFunctor* Property::m_updateCallBack`[protected]`

Definition at line 123 of file Property.h.

The documentation for this class was generated from the following files:

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r4/GaudiKernel/GaudiKernel/Property.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r4/GaudiKernel/src/Lib/Property.cpp

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