JLANG::JMultiPipe< T, N > Class Template Reference

Auxiliary class for object iteration via multiple pipes, e.g. operator: More...

#include <JPipe.hh>

Inheritance diagram for JLANG::JMultiPipe< T, N >:

Public Types
typedef JObjectIterator< T >::pointer_type	pointer_type

Public Member Functions
	JMultiPipe (JObjectIterator< T > &input)
	Constructor.
	JMultiPipe (JObjectIterator< T > &input, const JValve< T > &valve)
	Constructor.
	JMultiPipe (JObjectIterator< T > &input, const JObjectSelector< T > &selector)
	Constructor.
	JMultiPipe (JObjectIterator< T > &input, const JRegulator &regulator)
	Constructor.
	JMultiPipe (JObjectIterator< T > &input, const JValve< T > &valve, const JObjectSelector< T > &selector, const JRegulator &regulator)
	Constructor.
virtual bool	hasNext () override
	Check availability of next element.
virtual const pointer_type &	next () override
	Get next element.
virtual skip_type	skip (const skip_type ns) override
	Skip items.

Static Public Attributes
static JSinglePointer< JMultiPipe< T, N > >	pipe
	Declaration of common pipe.

Protected Attributes
JObjectIterator< T > &	in
const JValve< T > &	valve
const JObjectSelector< T > &	selector
const JRegulator &	regulator

Private Attributes
pointer_type	ps
pointer_type	p

Friends
void	operator| (JMultiPipe &left, JObjectOutput< T > &right)
	Pipe terminator.
JMultiPipe< T, N+1 > &	operator| (JMultiPipe &left, const JValve< T > &right)
	Recursive expansion of multi-pipe.
JMultiPipe< T, N+1 > &	operator| (JMultiPipe &left, const JObjectSelector< T > &right)
	Recursive expansion of multi-pipe.
JMultiPipe< T, N+1 > &	operator| (JMultiPipe &left, const JRegulator &right)
	Recursive expansion of multi-pipe.
template<class JBase_t >
JObjectMultiplexer< T, JBase_t > &	operator| (JMultiPipe &left, const JType< JBase_t > &right)
	Pipe operator for multiplexing.

Detailed Description

template<class T, int N>
class JLANG::JMultiPipe< T, N >

Auxiliary class for object iteration via multiple pipes, e.g. operator:

     .. | .. | ..

Definition at line 204 of file JPipe.hh.

Member Typedef Documentation

pointer_type

template<class T >

JObjectIterator<T>::pointer_type JLANG::JPipe< T >::pointer_type

inherited

Definition at line 42 of file JPipe.hh.

Constructor & Destructor Documentation

JMultiPipe() [1/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input )

inline

Constructor.

Parameters

input

object iterator

Definition at line 213 of file JPipe.hh.

                                          :
      JPipe<T>(input, JValve<T>::getDefault(), JObjectSelector<T>::getDefault(), JRegulator::getDefault())
    {}

JMultiPipe() [2/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input, const JValve< T > & valve )

inline

Constructor.

Parameters

input	object iterator
valve	valve

Definition at line 224 of file JPipe.hh.

                                          :
      JPipe<T>(input, valve, JObjectSelector<T>::getDefault(), JRegulator::getDefault())
    {}

JMultiPipe() [3/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input, const JObjectSelector< T > & selector )

inline

Constructor.

Parameters

input	object iterator
selector	object selector

Definition at line 236 of file JPipe.hh.

                                                   :
      JPipe<T>(input, JValve<T>::getDefault(), selector, JRegulator::getDefault())
    {}

JMultiPipe() [4/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input, const JRegulator & regulator )

inline

Constructor.

Parameters

input	object iterator
regulator	regulator

Definition at line 248 of file JPipe.hh.

                                              :
      JPipe<T>(input, JValve<T>::getDefault(), JObjectSelector<T>::getDefault(), regulator)
    {}

JMultiPipe() [5/5]

template<class T , int N>

JLANG::JMultiPipe< T, N >::JMultiPipe ( JObjectIterator< T > & input, const JValve< T > & valve, const JObjectSelector< T > & selector, const JRegulator & regulator )

inline

Constructor.

Parameters

input	object iterator
valve	valve
selector	object selector
regulator	regulator

Definition at line 262 of file JPipe.hh.

                                                    :
      JPipe<T>(input, valve, selector, regulator)
    {}

Member Function Documentation

hasNext()

template<class T >

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

inlineoverridevirtualinherited

Check availability of next element.

Returns

true if the iteration has more elements; else false

Implements JLANG::JObjectIterator< T >.

Definition at line 68 of file JPipe.hh.

    {
      if (!p.is_valid()) {
      
        if (valve.is_open()) {
        
          while (in.hasNext()) {
 
            p = in.next();
            
            if (selector.accept(*p)) {
              
              if (regulator.accept()) {
                return true;
              }
            }
          }
        }
 
        p = NULL; // invalid pointer for next round
        
        return false;
        
      } else {
 
        return true;
      }
    }

next()

template<class T >

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

inlineoverridevirtualinherited

Get next element.

Returns

pointer to element

Implements JLANG::JObjectIterator< T >.

Definition at line 103 of file JPipe.hh.

    {
      ps = p;
 
      p.reset();
 
      return ps;
    }

skip()

template<class T >

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

inlineoverridevirtualinherited

Skip items.

Parameters

ns	number of items to skip

Returns

number of items skipped

Reimplemented from JLANG::JObjectIterator< T >.

Definition at line 119 of file JPipe.hh.

    {
      return in.skip(ns);
    }

Friends And Related Symbol Documentation

operator| [1/5]

template<class T , int N>

void operator| ( JMultiPipe< T, N > & left, JObjectOutput< T > & right )

friend

Pipe terminator.

Parameters

left	pipe
right	object output

Definition at line 276 of file JPipe.hh.

    {
      left >> right;
    }

operator| [2/5]

template<class T , int N>

JMultiPipe< T, N+1 > & operator| ( JMultiPipe< T, N > & left, const JValve< T > & right )

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	object valve

Returns

multi-pipe

Definition at line 289 of file JPipe.hh.

    {
      JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
      
      return *JMultiPipe<T, N+1>::pipe;
    }

operator| [3/5]

template<class T , int N>

JMultiPipe< T, N+1 > & operator| ( JMultiPipe< T, N > & left, const JObjectSelector< T > & right )

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	object selector

Returns

multi-pipe

Definition at line 304 of file JPipe.hh.

    {
      JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
    
      return *JMultiPipe<T, N+1>::pipe;
    }

operator| [4/5]

template<class T , int N>

JMultiPipe< T, N+1 > & operator| ( JMultiPipe< T, N > & left, const JRegulator & right )

friend

Recursive expansion of multi-pipe.

Parameters

left	multi-pipe
right	regulator

Returns

multi-pipe

Definition at line 319 of file JPipe.hh.

    {
      JMultiPipe<T, N+1>::pipe.reset(new JMultiPipe<T, N+1>(left, right));
      
      return *JMultiPipe<T, N+1>::pipe;
    }

operator| [5/5]

template<class T , int N>

template<class JBase_t >

JObjectMultiplexer< T, JBase_t > & operator| ( JMultiPipe< T, N > & left, const JType< JBase_t > & right )

friend

Pipe operator for multiplexing.

Parameters

left	object iterator
right	data type

Returns

object multiplexer

Definition at line 335 of file JPipe.hh.

    {
      JObjectMultiplexer<T, JBase_t>::multiplexer.reset(new JObjectMultiplexer<T, JBase_t>(left));
 
      return *JObjectMultiplexer<T, JBase_t>::multiplexer;
    }

Member Data Documentation

pipe

template<class T , int N>

JSinglePointer< JMultiPipe< T, N > > JLANG::JMultiPipe< T, N >::pipe

static

Declaration of common pipe.

Definition of common pipe.

Definition at line 343 of file JPipe.hh.

in

template<class T >

JObjectIterator<T>& JLANG::JPipe< T >::in

protectedinherited

Definition at line 126 of file JPipe.hh.

valve

template<class T >

const JValve<T>& JLANG::JPipe< T >::valve

protectedinherited

Definition at line 127 of file JPipe.hh.

selector

template<class T >

const JObjectSelector<T>& JLANG::JPipe< T >::selector

protectedinherited

Definition at line 128 of file JPipe.hh.

regulator

template<class T >

const JRegulator& JLANG::JPipe< T >::regulator

protectedinherited

Definition at line 129 of file JPipe.hh.

ps

template<class T >

pointer_type JLANG::JPipe< T >::ps

privateinherited

Definition at line 132 of file JPipe.hh.

p

template<class T >

pointer_type JLANG::JPipe< T >::p

privateinherited

Definition at line 133 of file JPipe.hh.

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

• JObjectIterator.hh
• JPipe.hh