JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult Struct Reference

Exception handler for functional object using default result. More...

#include <JFunctional.hh>

Inheritance diagram for JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult:

Public Member Functions
	JDefaultResult (const result_type value)
	Constructor. More...
	JDefaultResult (const JMATH::JZero &value)
	Constructor. More...
virtual result_type	action (const JException &error) const override
	Implementation of exception handler. More...
result_type	action () const
	Implementation of exception handler. More...

Private Member Functions
virtual const char *	what () const override throw ()
	Get error message. More...

Static Private Member Functions
static std::string	getDateAndTime ()
	Get date and time [UTC]. More...
static std::ostream &	getOstream ()
	Get output stream for conversion of exception. More...

Private Attributes
result_type	defaultResult
const std::string	buffer

Detailed Description

template<class JArgument_t, class JResult_t>
struct JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult

Exception handler for functional object using default result.

Definition at line 178 of file JFunctional.hh.

Constructor & Destructor Documentation

JDefaultResult() [1/2]

template<class JArgument_t , class JResult_t >

JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult::JDefaultResult ( const result_type  value )

inline

Constructor.

Parameters

value

default result in case of exception

Definition at line 186 of file JFunctional.hh.

                                              :
        JExceptionHandler(),
        defaultResult(value)
      {}

JDefaultResult() [2/2]

template<class JArgument_t , class JResult_t >

JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult::JDefaultResult ( const JMATH::JZero &  value )

inline

Constructor.

Parameters

value

default result in case of exception

Definition at line 197 of file JFunctional.hh.

                                              :
        JExceptionHandler(),
        defaultResult()
      {}

Member Function Documentation

action() [1/2]

template<class JArgument_t , class JResult_t >

virtual result_type JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult::action ( const JException &  error ) const

inlineoverridevirtual

Implementation of exception handler.

This implementation returns the default value.

Parameters

error

error

Returns

default value

Reimplemented from JTOOLS::JFunctional< JArgument_t, JResult_t >::JExceptionHandler.

Definition at line 210 of file JFunctional.hh.

      {
        return defaultResult;
      }

action() [2/2]

template<class JArgument_t , class JResult_t >

result_type JTOOLS::JFunctional< JArgument_t, JResult_t >::JExceptionHandler::action ( ) const

inlineinherited

Implementation of exception handler.

This implementation throws the exception.

Returns

value

Definition at line 155 of file JFunctional.hh.

      {
        return this->action(static_cast<const JException&>(*this));
      }

getDateAndTime()

static std::string JLANG::JException::getDateAndTime ( )

inlinestaticinherited

Get date and time [UTC].

Returns

date and time [UTC]

Definition at line 31 of file JException.hh.

    {
      using namespace std;
 
      time_t result = time(NULL);
    
      return asctime(gmtime(&result));
    }

what()

virtual const char* JLANG::JException::what ( ) const throw ( )

inlineoverridevirtualinherited

Get error message.

Returns

error message

Definition at line 64 of file JException.hh.

    { 
      return buffer.c_str();
    }

getOstream()

static std::ostream& JLANG::JException::getOstream ( )

inlinestaticinherited

Get output stream for conversion of exception.

Note that the ostream is emptied before use.

Returns

ostream

Definition at line 89 of file JException.hh.

    {
      static std::ostringstream buffer;
 
      buffer.str("");
 
      return buffer;
    }

Member Data Documentation

defaultResult

template<class JArgument_t , class JResult_t >

result_type JTOOLS::JFunctional< JArgument_t, JResult_t >::JDefaultResult::defaultResult

private

Definition at line 216 of file JFunctional.hh.

buffer

const std::string JLANG::JException::buffer

privateinherited

Definition at line 99 of file JException.hh.

---

The documentation for this struct was generated from the following file:

• JFunctional.hh