Gaudi Framework, version v21r6
Home   Generated: 11 Nov 2009

GaudiPython::Helper Struct Reference

#include <Helpers.h>

List of all members.

Detailed Description

Definition at line 39 of file Helpers.h.


Public Member Functions

 Helper ()

Static Public Member Functions

static IService * service (ISvcLocator *svcloc, const std::string &name, bool createif=false)
static IAlgorithm * algorithm (IAlgManager *algmgr, const std::string &name)
static DataObject * dataobject (IDataProviderSvc *dpsvc, const std::string &path)
static GAUDI_API DataObject * findobject (IDataProviderSvc *dpsvc, const std::string &path)
 simple wrapper for IDataProviderSvc::findObject The methdod does NOT trigger the loading the object from tape or Data-On-Demand action
static GAUDI_API DataObject * getobject (IDataProviderSvc *dpsvc, const std::string &path, const bool retrieve=true, const bool disableDoD=false)
 the generic function to get object from TES
static IAlgTool * tool (IToolSvc *toolsvc, const std::string &type, const std::string &name, IInterface *p, bool cif)
static long loadDynamicLib (const std::string &name)
static IHistogram1D * histo1D (IHistogramSvc *hsvc, const std::string &path)
static IHistogram2D * histo2D (IHistogramSvc *hsvc, const std::string &path)
static IHistogram3D * histo3D (IHistogramSvc *hsvc, const std::string &path)
static IProfile1D * profile1D (IHistogramSvc *hsvc, const std::string &path)
static IProfile2D * profile2D (IHistogramSvc *hsvc, const std::string &path)
template<class T>
static PyObject * toArray (T *ptr, Py_ssize_t size)
static PyObject * toIntArray (void *ptr, Py_ssize_t size)
static PyObject * toShortArray (void *ptr, Py_ssize_t size)
static PyObject * toFloatArray (void *ptr, Py_ssize_t size)
static PyObject * toDoubleArray (void *ptr, Py_ssize_t size)
template<class T>
static T * toAddress (std::vector< T > &v)
template<class T>
static T * toAddress (void *a)

Static Private Member Functions

template<class T>
static Py_ssize_t Array_length (PyObject *self)
template<class T>
static PyObject * toPython (T *o)
static PyObject * toPython (int *o)
static PyObject * toPython (short *o)
static PyObject * toPython (char *o)
static PyObject * toPython (long *o)
static PyObject * toPython (float *o)
static PyObject * toPython (double *o)
template<class T>
static PyObject * Array_item (PyObject *self, Py_ssize_t idx)

Constructor & Destructor Documentation

GaudiPython::Helper::Helper (  )  [inline]

Definition at line 43 of file Helpers.h.

00043 {}

Member Function Documentation

static IService* GaudiPython::Helper::service ( ISvcLocator *  svcloc,
const std::string &  name,
bool  createif = false 
) [inline, static]

Definition at line 45 of file Helpers.h.

00045                                                                                             {
00046     return svcloc->service(name, createif).get();
00047   }

static IAlgorithm* GaudiPython::Helper::algorithm ( IAlgManager *  algmgr,
const std::string &  name 
) [inline, static]

Definition at line 49 of file Helpers.h.

00049                                                                            {
00050     const bool createIf = false;
00051     return algmgr->algorithm(name, createIf).get();
00052   }

static DataObject* GaudiPython::Helper::dataobject ( IDataProviderSvc *  dpsvc,
const std::string &  path 
) [inline, static]

Definition at line 55 of file Helpers.h.

00057   {
00058     DataObject* o;
00059     if ( dpsvc->retrieveObject(path,o).isSuccess() ) return o;
00060     else return 0;
00061   }

DataObject * GaudiPython::Helper::findobject ( IDataProviderSvc *  dpsvc,
const std::string &  path 
) [static]

simple wrapper for IDataProviderSvc::findObject The methdod does NOT trigger the loading the object from tape or Data-On-Demand action

See also:
IDataProviderSvc

IDataProviderSvc::findObject

Parameters:
psvc (INPUT) pointer to Data ProviderService
path the full path in TES
Returns:
the object
Author:
Vanya BELYAEV Ivan.Belyaev@nikhef.nl
Date:
2009-10-09

Definition at line 41 of file Helpers.cpp.

00043 {
00044   DataObject* o = 0 ;
00045   if ( 0 == dpsvc     ) { return 0 ; }                              // RETURN 
00046   StatusCode sc = dpsvc -> findObject ( path , o ) ;  // NB! 
00047   if ( sc.isFailure() ) { return 0 ; }                              // RETURN 
00048   return o ;                                                        // RETURN 
00049 }

DataObject * GaudiPython::Helper::getobject ( IDataProviderSvc *  dpsvc,
const std::string &  path,
const bool  retrieve = true,
const bool  disableDoD = false 
) [static]

the generic function to get object from TES

See also:
IDataProviderSvc

IDataProviderSvc::findObject

IDataProviderSvc::retriveObject

Parameters:
psvc (INPUT) pointer to Data ProviderService
path the full path in TES
rerieve (INPUT) retrieve or find object ?
disableDoD (INPUT) disable 'on-demand-actions' ?
Author:
Vanya BELYAEV Ivan.Belyaev@nikhef.nl
Date:
2009-10-09

Definition at line 133 of file Helpers.cpp.

00137 {
00138   if ( 0 == dpsvc ) { return 0 ; }  // RETURN 0 
00139   // create the sentry:
00140   Disabler sentry ( dpsvc , disable ) ;
00141   //
00142   DataObject * result = 0 ;
00143   //
00144   StatusCode sc = 
00145     retrieve ? 
00146     dpsvc -> retrieveObject ( path , result ) :
00147     dpsvc -> findObject     ( path , result ) ;
00148   // 
00149   if ( sc.isFailure() ) { return 0 ; }                               // RETURN 
00150   //
00151   return result ;                                                    // RETURN
00152 }

static IAlgTool* GaudiPython::Helper::tool ( IToolSvc *  toolsvc,
const std::string &  type,
const std::string &  name,
IInterface *  p,
bool  cif 
) [inline, static]

Definition at line 94 of file Helpers.h.

00094                                                                                                                    {
00095     IAlgTool* o;
00096     if ( toolsvc->retrieve(type, name, IAlgTool::interfaceID(), o, p, cif).isSuccess() ) return o;
00097     else return 0;
00098   }

static long GaudiPython::Helper::loadDynamicLib ( const std::string &  name  )  [inline, static]

Definition at line 99 of file Helpers.h.

00099                                                     {
00100     void* h;
00101     return System::loadDynamicLib(name, &h);
00102   }

static IHistogram1D* GaudiPython::Helper::histo1D ( IHistogramSvc *  hsvc,
const std::string &  path 
) [inline, static]

Definition at line 103 of file Helpers.h.

00103                                                                              {
00104     IHistogram1D* h;
00105     if ( hsvc->findObject(path, h ).isSuccess() ) return h;
00106     else                                          return 0;
00107   }

static IHistogram2D* GaudiPython::Helper::histo2D ( IHistogramSvc *  hsvc,
const std::string &  path 
) [inline, static]

Definition at line 108 of file Helpers.h.

00108                                                                              {
00109     IHistogram2D* h;
00110     if ( hsvc->findObject(path, h ).isSuccess() ) return h;
00111     else                                          return 0;
00112   }

static IHistogram3D* GaudiPython::Helper::histo3D ( IHistogramSvc *  hsvc,
const std::string &  path 
) [inline, static]

Definition at line 113 of file Helpers.h.

00113                                                                              {
00114     IHistogram3D* h;
00115     if ( hsvc->findObject(path, h ).isSuccess() ) return h;
00116     else                                          return 0;
00117   }

static IProfile1D* GaudiPython::Helper::profile1D ( IHistogramSvc *  hsvc,
const std::string &  path 
) [inline, static]

Definition at line 120 of file Helpers.h.

00122   {
00123     IProfile1D* h = 0 ;
00124     if ( 0 != hsvc && hsvc->findObject ( path , h ).isSuccess() ) { return h ; }
00125     return 0 ;
00126   }

static IProfile2D* GaudiPython::Helper::profile2D ( IHistogramSvc *  hsvc,
const std::string &  path 
) [inline, static]

Definition at line 129 of file Helpers.h.

00131   {
00132     IProfile2D* h = 0 ;
00133     if ( 0 != hsvc && hsvc->findObject ( path , h ).isSuccess() ) { return h ; }
00134     return 0 ;
00135   }

template<class T>
static Py_ssize_t GaudiPython::Helper::Array_length ( PyObject *  self  )  [inline, static, private]

Definition at line 139 of file Helpers.h.

00139                                                    {
00140 #if PY_VERSION_HEX < 0x02050000
00141     const
00142 #endif
00143     char* buf = 0;
00144     Py_ssize_t size = (*(self->ob_type->tp_as_buffer->bf_getcharbuffer))( self, 0, &buf );
00145     return size/sizeof(T);
00146   }

template<class T>
static PyObject* GaudiPython::Helper::toPython ( T *  o  )  [inline, static, private]

Definition at line 148 of file Helpers.h.

00148 { return 0; }

static PyObject* GaudiPython::Helper::toPython ( int *  o  )  [inline, static, private]

Definition at line 149 of file Helpers.h.

00149 { return PyInt_FromLong((long)*o); }

static PyObject* GaudiPython::Helper::toPython ( short *  o  )  [inline, static, private]

Definition at line 150 of file Helpers.h.

00150 { return PyInt_FromLong((long)*o); }

static PyObject* GaudiPython::Helper::toPython ( char *  o  )  [inline, static, private]

Definition at line 151 of file Helpers.h.

00151 { return PyInt_FromLong((long)*o); }

static PyObject* GaudiPython::Helper::toPython ( long *  o  )  [inline, static, private]

Definition at line 152 of file Helpers.h.

00152 { return PyInt_FromLong(*o); }

static PyObject* GaudiPython::Helper::toPython ( float *  o  )  [inline, static, private]

Definition at line 153 of file Helpers.h.

00153 { return PyFloat_FromDouble((double)*o); }

static PyObject* GaudiPython::Helper::toPython ( double *  o  )  [inline, static, private]

Definition at line 154 of file Helpers.h.

00154 { return PyFloat_FromDouble(*o); }

template<class T>
static PyObject* GaudiPython::Helper::Array_item ( PyObject *  self,
Py_ssize_t  idx 
) [inline, static, private]

Definition at line 157 of file Helpers.h.

00157                                                                 {
00158 #if PY_VERSION_HEX < 0x02050000
00159     const
00160 #endif
00161     char* buf = 0;
00162     Py_ssize_t size = (*(self->ob_type->tp_as_buffer->bf_getcharbuffer))( self, 0, &buf );
00163     if ( idx < 0 || idx >= size/int(sizeof(T)) ) {
00164        PyErr_SetString( PyExc_IndexError, "buffer index out of range" );
00165        return 0;
00166     }
00167     return toPython((T*)buf + idx);
00168   }

template<class T>
static PyObject* GaudiPython::Helper::toArray ( T *  ptr,
Py_ssize_t  size 
) [inline, static]

Definition at line 172 of file Helpers.h.

00172                                                       {
00173    static PyTypeObject      type = PyBuffer_Type;
00174    static PySequenceMethods meth = *(PyBuffer_Type.tp_as_sequence);
00175 #if PY_VERSION_HEX < 0x02050000
00176    meth.sq_item         = (intargfunc) &Array_item<T>;
00177    meth.sq_length       = (inquiry) &Array_length<T>;
00178 #else
00179    meth.sq_item         = (ssizeargfunc) &Array_item<T>;
00180    meth.sq_length       = (lenfunc) &Array_length<T>;
00181 #endif
00182    type.tp_as_sequence  = &meth;
00183    PyObject* buf = PyBuffer_FromReadWriteMemory( ptr, size*sizeof(T) );
00184    Py_INCREF( &type );
00185    buf->ob_type = &type;
00186    return buf;
00187   }

static PyObject* GaudiPython::Helper::toIntArray ( void *  ptr,
Py_ssize_t  size 
) [inline, static]

Definition at line 188 of file Helpers.h.

00188 { return toArray( (int*)    ptr , size ); }

static PyObject* GaudiPython::Helper::toShortArray ( void *  ptr,
Py_ssize_t  size 
) [inline, static]

Definition at line 189 of file Helpers.h.

00189 { return toArray( (short*)  ptr , size ); }

static PyObject* GaudiPython::Helper::toFloatArray ( void *  ptr,
Py_ssize_t  size 
) [inline, static]

Definition at line 190 of file Helpers.h.

00190 { return toArray( (float*)  ptr , size ); }

static PyObject* GaudiPython::Helper::toDoubleArray ( void *  ptr,
Py_ssize_t  size 
) [inline, static]

Definition at line 191 of file Helpers.h.

00191 { return toArray( (double*) ptr , size ); }

template<class T>
static T* GaudiPython::Helper::toAddress ( std::vector< T > &  v  )  [inline, static]

Definition at line 194 of file Helpers.h.

00194                                          {
00195     return &(*v.begin());
00196   }

template<class T>
template double * GaudiPython::Helper::toAddress< double > ( void *  a  )  [inline, static]

Definition at line 198 of file Helpers.h.

00198                                  {
00199     return (T*)a;
00200   }

The documentation for this struct was generated from the following files:
Generated at Wed Nov 11 16:36:55 2009 for Gaudi Framework, version v21r6 by Doxygen version 1.5.6 written by Dimitri van Heesch, © 1997-2004