JIO::JBinaryFileReader< T, false > Class Template Reference

Template specialisation of JBinaryFileReader for unserialisable data types. More...

#include <JBinaryFileReader.hh>

Inheritance diagram for JIO::JBinaryFileReader< T, false >:

Public Types
typedef JObjectIterator< T >::pointer_type	pointer_type

Public Member Functions
virtual bool	is_open () const override
	Check is device is open.
virtual void	open (const char *file_name) override
	Open device.
virtual void	close () override
	Close device.
virtual bool	hasNext ()
	Check availability of next element.
virtual const pointer_type &	next ()
	Get next element.
virtual skip_type	skip (const skip_type ns)
	Skip items.

Static Public Member Functions
static void	Throw (const bool option)
	Enable/disable throw option.
static int	Throw (const JException_t &error, const int value=-1)
	Throw exception or return error.

Static Protected Attributes
static bool	do_throw
	throw option

Private Attributes
pointer_type	ps

Detailed Description

template<class T>
class JIO::JBinaryFileReader< T, false >

Template specialisation of JBinaryFileReader for unserialisable data types.

This class provides for a null implementation of the JLANG::JAccessibleObjectIterator interface.

Definition at line 65 of file JBinaryFileReader.hh.

Member Typedef Documentation

pointer_type

template<class T >

JObjectIterator<T>::pointer_type JLANG::JNullIterator< T >::pointer_type

inherited

Definition at line 331 of file JObjectIterator.hh.

Member Function Documentation

is_open()

virtual bool JLANG::JNullAccess::is_open ( ) const

inlineoverridevirtualinherited

Check is device is open.

Returns

true

Implements JLANG::JAccessible.

Definition at line 74 of file JAccessible.hh.

    {
      return true;
    }

open()

virtual void JLANG::JNullAccess::open ( const char * file_name )

inlineoverridevirtualinherited

Open device.

Parameters

file_name

file name

Implements JLANG::JAccessible.

Definition at line 85 of file JAccessible.hh.

    {}

close()

virtual void JLANG::JNullAccess::close ( )

inlineoverridevirtualinherited

Close device.

Implements JLANG::JAccessible.

Definition at line 92 of file JAccessible.hh.

    {}

hasNext()

template<class T >

virtual bool JLANG::JNullIterator< T >::hasNext ( )

inlinevirtualinherited

Check availability of next element.

Returns

false

Implements JLANG::JObjectIterator< T >.

Definition at line 339 of file JObjectIterator.hh.

    {
      return false;
    }

next()

template<class T >

virtual const pointer_type & JLANG::JNullIterator< T >::next ( )

inlinevirtualinherited

Get next element.

Returns

NULL

Implements JLANG::JObjectIterator< T >.

Definition at line 350 of file JObjectIterator.hh.

    {
      return ps;
    }

skip()

template<class T >

virtual skip_type JLANG::JObjectIterator< T >::skip ( const skip_type ns )

inlinevirtualinherited

Skip items.

Parameters

ns	number of items to skip

Returns

number of items skipped

Reimplemented in JLANG::JAbstractObjectReader< T >, JLANG::JAbstractObjectReader< const event_type >, JLANG::JAbstractObjectReader< Evt >, JLANG::JAbstractObjectReader< JDAQSummaryslice >, JLANG::JAbstractObjectReader< JHead_t >, JLANG::JAbstractObjectReader< JTail_t >, JLANG::JAbstractObjectReader< JTypeList< JDAQEvent, JNullType > >, JLANG::JAbstractObjectReader< KM3NETDAQ::JDAQEvent >, JLANG::JPipe< T >, JLANG::JPipe< JHead_t >, JLANG::JPipe< JTail_t >, JLANG::JSTDObjectIterator< T >, JROOT::JRootFileReader< T, false >, JROOT::JTreeReaderObjectIterator< T >, JSUPPORT::JMultipleFileScanner< T >, JSUPPORT::JMultipleFileScanner< Evt >, JSUPPORT::JMultipleFileScanner< JDAQSummaryslice >, JSUPPORT::JMultipleFileScanner< JHead_t >, JSUPPORT::JMultipleFileScanner< JTail_t >, JSUPPORT::JMultipleFileScanner< JTypeList< JDAQEvent, JNullType > >, JSUPPORT::JMultipleFileScanner< JTypeList< JHead_t, JTail_t > >, JSUPPORT::JMultipleFileScanner< KM3NETDAQ::JDAQEvent >, JSUPPORT::JMultipleFileScanner<>, JSUPPORT::JSingleFileScanner< T >, JSUPPORT::JSingleFileScanner< JHead_t >, JSUPPORT::JSingleFileScanner< JTail_t >, JSUPPORT::JSingleFileScanner< JTypeList< JHead_t, JTail_t > >, and JSUPPORT::JSingleFileScanner<>.

Definition at line 90 of file JObjectIterator.hh.

    {
      skip_type i = 0;
 
      for ( ; i != ns && hasNext(); ++i) {
        next();
      }
 
      return i;
    }

Throw() [1/2]

static void JLANG::JThrow< JAccessible >::Throw ( const bool option )

inlinestaticinherited

Enable/disable throw option.

Parameters

option

true enable; false disable

Definition at line 37 of file JThrow.hh.

    {
      do_throw = option;
    }

Throw() [2/2]

static int JLANG::JThrow< JAccessible >::Throw ( const JException_t & error, const int value = -1 )

inlinestaticinherited

Throw exception or return error.

Parameters

error	exception
value	return code

Returns

return code

Definition at line 51 of file JThrow.hh.

    {
      using namespace std;
      
      if (do_throw) {
        throw error;
      }
 
      cerr << error.what() << endl;
      
      return value;
    }

Member Data Documentation

ps

template<class T >

pointer_type JLANG::JNullIterator< T >::ps

privateinherited

Definition at line 356 of file JObjectIterator.hh.

do_throw

bool JLANG::JThrow< JAccessible >::do_throw

staticprotectedinherited

throw option

Set default throw option to true.

Definition at line 28 of file JThrow.hh.

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

• JBinaryFileReader.hh