JLANG::JNullIterator< T > Struct Template Reference

Implementation for null iteration. More...

#include <JObjectIterator.hh>

Inheritance diagram for JLANG::JNullIterator< T >:

Public Types
typedef JObjectIterator< T >::pointer_type	pointer_type

Public Member Functions
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.

Private Attributes
pointer_type	ps

Detailed Description

template<class T>
struct JLANG::JNullIterator< T >

Implementation for null iteration.

Definition at line 327 of file JObjectIterator.hh.

Member Typedef Documentation

pointer_type

template<class T >

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

Definition at line 331 of file JObjectIterator.hh.

Member Function Documentation

hasNext()

template<class T >

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

inlinevirtual

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 ( )

inlinevirtual

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< 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< 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;
    }

Member Data Documentation

ps

template<class T >

pointer_type JLANG::JNullIterator< T >::ps

private

Definition at line 356 of file JObjectIterator.hh.

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

• JObjectIterator.hh