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MySQL 5.1: Pool< T > Class Template Reference

Pool< T > Class Template Reference

#include <Pool.hpp>

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List of all members.

Public Types

 defInitSize = 256
 defIncSize = 64
enum  { defInitSize = 256, defIncSize = 64 }

Public Member Functions

 Pool (int anInitSize=defInitSize, int anIncSize=defIncSize)
virtual ~Pool (void)
T * get ()
void put (T *aT)
unsigned size ()

Protected Member Functions

void allocate (int aSize)

Private Member Functions

Pool< T > & operator= (const Pool< T > &cp)
 Pool (const Pool< T > &cp)

Private Attributes

int theIncSize
int theTop
int theCurrentSize
T ** theList

Detailed Description

template<class T>
class Pool< T >

Definition at line 185 of file Pool.hpp.

Member Enumeration Documentation

template<class T>
anonymous enum

Enumerator:
defInitSize 
defIncSize 

Definition at line 188 of file Pool.hpp.

00188 { defInitSize = 256, defIncSize  = 64 };

Constructor & Destructor Documentation

template<class T>
Pool< T >::Pool ( int  anInitSize = defInitSize,
int  anIncSize = defIncSize 
) [inline]

Definition at line 190 of file Pool.hpp.

00190                                                                  :
00191     theIncSize(anIncSize),
00192     theTop(0),
00193     theCurrentSize(0),   
00194     theList(0)
00195   {
00196     allocate(anInitSize);
00197   }

template<class T>
virtual Pool< T >::~Pool ( void   )  [inline, virtual]

Definition at line 199 of file Pool.hpp.

00200   {
00201     for (int i=0; i <theTop ; ++i)
00202       delete theList[i];
00203     
00204     delete []theList;
00205   }

template<class T>
Pool< T >::Pool ( const Pool< T > &  cp  )  [private]

Member Function Documentation

template<class T>
void Pool< T >::allocate ( int  aSize  )  [inline, protected]

Definition at line 213 of file Pool.hpp.

Referenced by Pool< T >::get(), and Pool< Request >::Pool().

00214   {
00215     T** tList = theList;
00216     int i;
00217     theList = new T*[aSize+theCurrentSize];
00218     // allocate full list
00219     for (i = 0; i < theTop; i++) {
00220       theList[i] = tList[i];
00221     }
00222     delete []tList;
00223     for (; (theTop < aSize); theTop++){
00224       theList[theTop] = (T*)new T;
00225     }
00226     theCurrentSize += aSize;
00227   }

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template<class T>
T * Pool< T >::get (  )  [inline]

Definition at line 241 of file Pool.hpp.

References Pool< T >::allocate(), Pool< T >::theIncSize, Pool< T >::theList, and Pool< T >::theTop.

Referenced by closeFile(), Ndbfs::execFSAPPENDREQ(), Ndbfs::execFSCLOSEREQ(), Ndbfs::execFSOPENREQ(), Ndbfs::execFSREMOVEREQ(), Ndbfs::execFSSYNCREQ(), openFile(), readFile(), Ndbfs::readWriteRequest(), writeFile(), and writeSyncFile().

00242 {
00243    T* tmp;
00244    if( theTop == 0 )
00245    {
00246       allocate(theIncSize);
00247    }
00248    --theTop;
00249    tmp = theList[theTop];
00250    return tmp;
00251 }

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template<class T>
Pool<T>& Pool< T >::operator= ( const Pool< T > &  cp  )  [private]

template<class T>
void Pool< T >::put ( T *  aT  )  [inline]

Definition at line 255 of file Pool.hpp.

References Pool< T >::theList, and Pool< T >::theTop.

Referenced by closeFile(), closeFileWait(), Ndbfs::execFSAPPENDREQ(), openFile(), openFileWait(), readFile(), readFileWait(), Ndbfs::scanIPC(), writeFile(), writeFileWait(), writeSyncFile(), and writeSyncFileWait().

00256 {
00257    theList[theTop]= aT;
00258    ++theTop;
00259 }

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template<class T>
unsigned Pool< T >::size ( void   )  [inline]

Definition at line 210 of file Pool.hpp.

Referenced by Ndbfs::execDUMP_STATE_ORD().

00210 { return theTop; };

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Member Data Documentation

template<class T>
int Pool< T >::theCurrentSize [private]

Definition at line 235 of file Pool.hpp.

Referenced by Pool< Request >::allocate().

template<class T>
int Pool< T >::theIncSize [private]

Definition at line 233 of file Pool.hpp.

Referenced by Pool< T >::get().

template<class T>
T** Pool< T >::theList [private]

Definition at line 237 of file Pool.hpp.

Referenced by Pool< Request >::allocate(), Pool< T >::get(), Pool< T >::put(), and Pool< Request >::~Pool().

template<class T>
int Pool< T >::theTop [private]

Definition at line 234 of file Pool.hpp.

Referenced by Pool< Request >::allocate(), Pool< T >::get(), Pool< T >::put(), Pool< Request >::size(), and Pool< Request >::~Pool().

The documentation for this class was generated from the following file:
  • mysql/src/5.1-dbg/storage/ndb/src/kernel/blocks/ndbfs/Pool.hpp
Generated on Sat Sep 9 22:41:52 2006 for MySQL 5.1 by  doxygen 1.4.7