dbe::datahandler Class Reference

#include <datahandler.hpp>

Inheritance diagram for dbe::datahandler:

Collaboration diagram for dbe::datahandler:

Signals
void	FetchMoreData (const treenode *ClassNode)

Public Member Functions
	datahandler ()
	~datahandler ()
treenode *	getnode () const
treenode *	getnode (QString const &ClassName) const
treenode *	getnode (std::string const &ClassName) const
treenode *	getnode (QString const &ClassName, QString const &ObjectName) const
treenode *	getnode (std::string const &ClassName, std::string const &ObjectName) const
void	FetchMore (const treenode *ClassNode)
void	ResetData ()

Static Public Member Functions
static treenode *	findchild (treenode *top, QString const &name)

Private Attributes
treenode *	root
	Tree data structure.

Friends
class	dbe::models::tree
class	dbe::models::table
class	CustomDelegate
class	CustomTableView

Detailed Description

Definition at line 42 of file datahandler.hpp.

Constructor & Destructor Documentation

datahandler()

dbe::datahandler::datahandler

(

)

Definition at line 11 of file datahandler.cpp.

  : root(nullptr)
{
}

~datahandler()

dbe::datahandler::~datahandler

(

)

Definition at line 16 of file datahandler.cpp.

{
  delete root;
}

Member Function Documentation

FetchMore()

void dbe::datahandler::FetchMore

(

const treenode *

ClassNode

)

Definition at line 29 of file datahandler.cpp.

{
  emit FetchMoreData(ClassNode);
}

FetchMoreData

void dbe::datahandler::FetchMoreData ( const treenode * ClassNode )

signal

findchild()

dbe::treenode * dbe::datahandler::findchild ( treenode * top, QString const & name )

static

Definition at line 81 of file datahandler.cpp.

{
  QList<dbe::treenode*> childs = top->GetChildren();
 
  for (dbe::treenode* child : childs) {
    if (QString::fromStdString(child->GetObject().UID()) == name) {
      return child;
    }
  }
 
  return nullptr;
}

getnode() [1/5]

dbe::treenode * dbe::datahandler::getnode

(

)

const

Get the root node

Returns

a treenode pointer to the root node

Definition at line 75 of file datahandler.cpp.

{
  return root;
}

getnode() [2/5]

dbe::treenode * dbe::datahandler::getnode

(

QString const &

ClassName

)

const

Get a tree node to a class

Parameters

ClassName

of the class to retrieve treenode to

Returns

the treenode to the class

Definition at line 41 of file datahandler.cpp.

{
  int current = 0;
  int const number_of_childs = root->ChildCount();
 
  for (; current != number_of_childs and root->GetChild(current)->GetData(0).toString() != ClassName; ++current)
    ;
 
  return current == number_of_childs ? nullptr : root->GetChild(current);
}

getnode() [3/5]

dbe::treenode * dbe::datahandler::getnode	(	QString const &	ClassName,
		QString const &	ObjectName ) const

Get a treenode to an object of a class

Parameters

ClassName	of the class the object belongs to
ObjectName	of the object to retrieve

Returns

Definition at line 59 of file datahandler.cpp.

{
  if (dbe::treenode* classnode = getnode(ClassName)) {
    int current = 0;
    int const number_of_objects = classnode->ChildCount();
 
    for (; current < number_of_objects and classnode->GetChild(current)->GetData(0).toString() != ObjectName; ++current)
      ;
 
    return current == number_of_objects ? nullptr : classnode->GetChild(current);
  }
 
  return nullptr;
}

getnode() [4/5]

dbe::treenode * dbe::datahandler::getnode

(

std::string const &

ClassName

)

const

Definition at line 35 of file datahandler.cpp.

{
  return getnode(QString::fromStdString(ClassName));
}

getnode() [5/5]

dbe::treenode * dbe::datahandler::getnode	(	std::string const &	ClassName,
		std::string const &	ObjectName ) const

Definition at line 53 of file datahandler.cpp.

{
  return getnode(QString::fromStdString(ClassName), QString::fromStdString(ObjectName));
}

ResetData()

void dbe::datahandler::ResetData

(

)

Definition at line 22 of file datahandler.cpp.

{
  delete root;
  root = nullptr;
}

Friends And Related Symbol Documentation

CustomDelegate

friend class CustomDelegate

friend

Definition at line 46 of file datahandler.hpp.

CustomTableView

friend class CustomTableView

friend

Definition at line 47 of file datahandler.hpp.

dbe::models::table

friend class dbe::models::table

friend

Definition at line 45 of file datahandler.hpp.

dbe::models::tree

friend class dbe::models::tree

friend

Definition at line 44 of file datahandler.hpp.

Member Data Documentation

root

treenode* dbe::datahandler::root

private

Tree data structure.

Definition at line 81 of file datahandler.hpp.

---

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

• /github/workspace/dunedaq/sourcecode/dbe/include/dbe/datahandler.hpp
• /github/workspace/dunedaq/sourcecode/dbe/src/internal/datahandler.cpp