In This Package:

RootInputFileList Class Reference

#include <RootInputFile.h>

Collaboration diagram for RootInputFileList:


Public Member Functions
	RootInputFileList ()
	~RootInputFileList ()
int	index ()
	The index of current file.
RootInputFile *	current ()
	Access the current file.
bool	next ()
	Advance one file.
bool	prev ()
	Retard one file.
bool	last ()
	Go to last file.
bool	first ()
	Go to first file.
bool	jump (int index)
	Go to the file at given index.
int	entriesBefore (int index)
	Total number of entries of all files upto but not including file at given index.
Private Attributes
int	m_index
Dyb::MsgStreamMember	log

Detailed Description

Definition at line 97 of file RootInputFile.h.

Constructor & Destructor Documentation

RootInputFileList::RootInputFileList ( )

Definition at line 417 of file RootInputFile.cc.

00418     : std::vector<RootInputFile*>()
00419     , m_index(-1)
00420     , log("RootInputFileList")
00421 {
00422 }

RootInputFileList::~RootInputFileList ( )

Definition at line 424 of file RootInputFile.cc.

00425 {
00426 }

Member Function Documentation

int RootInputFileList::index ( )

The index of current file.

Definition at line 428 of file RootInputFile.cc.

00429 {
00430     return m_index;
00431 }

RootInputFile * RootInputFileList::current ( )

Access the current file.

Definition at line 433 of file RootInputFile.cc.

00434 {
00435     if (m_index < 0 || m_index >= (int)size()) return 0;
00436     return (*this)[m_index];
00437 }

bool RootInputFileList::next ( )

Advance one file.

Definition at line 439 of file RootInputFile.cc.

00440 {
00441     if (m_index + 1 >= (int)size()) {
00442         log << MSG::WARNING << "next(): already at last file"
00443             << endreq;
00444         return false;
00445     }
00446     RootInputFile* rif = current();
00447     if (rif) rif->leave();
00448     ++m_index;
00449     rif = current();
00450     if (!rif) {
00451         log << MSG::ERROR
00452             << "next(): failed to make next file curren"
00453             << endreq;
00454         return false;
00455     }
00456     return true;
00457 }

bool RootInputFileList::prev ( )

Retard one file.

Definition at line 475 of file RootInputFile.cc.

00476 {
00477     if (m_index <= 0) {
00478         log << MSG::ERROR
00479             << "prev(): already at first file"
00480             << endreq;
00481         return false;
00482     }
00483     RootInputFile* rif = current();
00484     if (rif) rif->leave();
00485     --m_index;
00486     rif = current();
00487     if (!rif) {
00488         log << MSG::ERROR
00489             << "prev(): failed to make prev file curren"
00490             << endreq;
00491         return false;
00492     }
00493     return true;
00494 }

bool RootInputFileList::last ( )

Go to last file.

Definition at line 459 of file RootInputFile.cc.

00460 {
00461     if (m_index+1 == (int)size()) return true;
00462     RootInputFile* rif = current();
00463     if (rif) rif->leave();
00464     m_index = (int)size() - 1;
00465     rif = current();
00466     if (!rif) {
00467         log << MSG::ERROR
00468             << "last(): falied to make last file current"
00469             << endreq;
00470         return false;
00471     }
00472     return true;
00473 }

bool RootInputFileList::first ( )

Go to first file.

Definition at line 498 of file RootInputFile.cc.

00499 {
00500     if (!m_index) return true;
00501     RootInputFile* rif = current();
00502     if (rif) rif->leave();
00503     m_index = 0;
00504     rif = current();
00505     if (!rif) {
00506         log << MSG::ERROR
00507             << "first(): failed to make first file current"
00508             << endreq;
00509         return false;
00510     }
00511     return true;
00512 }

bool RootInputFileList::jump ( int index )

Go to the file at given index.

Definition at line 514 of file RootInputFile.cc.

00515 {
00516     if (m_index == index) return true;
00517     RootInputFile* rif = current();
00518     if (rif) rif->leave();
00519     m_index = index;
00520     rif = current();
00521     if (!rif) {
00522         log << MSG::ERROR
00523             << "goto("<<index<<") failed"
00524             << endreq;
00525         return false;
00526     }
00527     return true;
00528 }

int RootInputFileList::entriesBefore ( int index )

Total number of entries of all files upto but not including file at given index.

Returns -1 on error

Definition at line 530 of file RootInputFile.cc.

00531 {
00532     if (index < 0 || index >= (int)size()) return -1;
00533     // cound up entries up to but not including current index
00534     int totEntries = 0;
00535     for (int ind = 0; ind < index; ++ind) {
00536         int entries = (*this)[ind]->entries();
00537         if (entries < 0) return -1;
00538         totEntries += entries;
00539     }
00540     return totEntries;
00541 }

Member Data Documentation

int RootInputFileList::m_index [private]

Definition at line 98 of file RootInputFile.h.

Dyb::MsgStreamMember RootInputFileList::log [private]

Definition at line 99 of file RootInputFile.h.

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

/home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/dybgaudi/RootIO/RootIOSvc/RootIOSvc/RootInputFile.h
/home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/dybgaudi/RootIO/RootIOSvc/src/lib/RootInputFile.cc

Generated on Mon Apr 11 20:18:21 2011 for RootIOSvc by 1.4.7