ArrayPool< T > Class Template Reference

#include <ArrayPool.hpp>

Inheritance diagram for ArrayPool< T >:

Collaboration diagram for ArrayPool< T >:

Classes
struct	Cache
struct	LockFun

Public Member Functions
bool	setSize (Uint32 noOfElements, bool align=false, bool exit_on_error=true, bool guard=true, Uint32 paramId=0)
bool	set (T *, Uint32 cnt, bool align=false)
void	clear ()
Uint32	getNoOfFree () const
Uint32	getSize () const
Uint32	getUsed () const
Uint32	getUsedHi () const
void	updateFreeMin (void)
void	decNoFree (void)
void	decNoFree (Uint32 cnt)
Uint32	getEntrySize () const
void	getPtr (Ptr< T > &)
void	getPtr (ConstPtr< T > &) const
void	getPtr (Ptr< T > &, bool CrashOnBoundaryError)
void	getPtr (ConstPtr< T > &, bool CrashOnBoundaryError) const
T *	getPtr (Uint32 i)
const T *	getConstPtr (Uint32 i) const
T *	getPtr (Uint32 i, bool CrashOnBoundaryError)
const T *	getConstPtr (Uint32 i, bool CrashOnBoundaryError) const
void	getPtr (Ptr< T > &, Uint32 i)
void	getPtr (ConstPtr< T > &, Uint32 i) const
void	getPtr (Ptr< T > &, Uint32 i, bool CrashOnBoundaryError)
void	getPtr (ConstPtr< T > &, Uint32 i, bool CrashOnBoundaryError) const
bool	seize (Ptr< T > &)
bool	seizeId (Ptr< T > &, Uint32 i)
bool	findId (Uint32 i) const
void	release (Uint32 i)
void	release (Ptr< T > &)
bool	seize (LockFun, Cache &, Ptr< T > &)
void	release (LockFun, Cache &, Uint32 i)
void	release (LockFun, Cache &, Ptr< T > &)
void	releaseList (LockFun, Cache &, Uint32 n, Uint32 first, Uint32 last)
void	setChunkSize (Uint32 sz)
void	releaseList (Uint32 n, Uint32 first, Uint32 last)

Protected Member Functions
void	releaseChunk (LockFun, Cache &, Uint32 n)
bool	seizeChunk (Uint32 &n, Ptr< T > &)
void	releaseChunk (Uint32 n, Uint32 first, Uint32 last)
Uint32	seizeN (Uint32 n)
void	releaseN (Uint32 base, Uint32 n)

Protected Attributes
Uint32	firstFree
Uint32	size
Uint32	noOfFree
Uint32	noOfFreeMin
T *	theArray
void *	alloc_ptr

Friends
class	Array< T >

Detailed Description

template<class T>
class ArrayPool< T >

Template class used for implementing an pool of object (in an array with a free list)

Definition at line 43 of file ArrayPool.hpp.

Member Function Documentation

template<class T >

bool ArrayPool< T >::findId ( Uint32  i ) const

inline

Check if i is allocated.

Definition at line 808 of file ArrayPool.hpp.

Here is the caller graph for this function:

template<class T>

void ArrayPool< T >::getPtr ( Ptr< T > &  ptr )

inline

Update p value for ptr according to i value

Definition at line 439 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T>

T * ArrayPool< T >::getPtr ( Uint32  i )

inline

Get pointer for i value

Definition at line 531 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T>

void ArrayPool< T >::getPtr ( Ptr< T > &  ptr, Uint32  i  )

inline

Update p & i value for ptr according to i value

Definition at line 485 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T >

void ArrayPool< T >::release ( Uint32  _i )

inline

Return an object to pool

Reimplemented in SafeArrayPool< T >, and SafeArrayPool< GlobalPage >.

Definition at line 955 of file ArrayPool.hpp.

Here is the call graph for this function:

Here is the caller graph for this function:

template<class T>

void ArrayPool< T >::release ( Ptr< T > &  ptr )

inline

Return an object to pool

Reimplemented in SafeArrayPool< T >, and SafeArrayPool< GlobalPage >.

Definition at line 993 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T >

void ArrayPool< T >::releaseList ( Uint32  n, Uint32  first, Uint32  last  )

inline

Release a singel linked list in o(1)

Parameters

first	i-value of first element in list
last	i-value of last element in list

Note

nextPool must be used as next pointer in list

Definition at line 911 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T >

void ArrayPool< T >::releaseN ( Uint32  base, Uint32  n  )

inlineprotected

Deallocate n consecutive object to pool starting from base

Definition at line 870 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T>

bool ArrayPool< T >::seize ( Ptr< T > &  ptr )

inline

Allocate an object from pool - update Ptr

Return i

Reimplemented in SafeArrayPool< T >, and SafeArrayPool< GlobalPage >.

Definition at line 723 of file ArrayPool.hpp.

Here is the call graph for this function:

Here is the caller graph for this function:

template<class T>

bool ArrayPool< T >::seizeId ( Ptr< T > &  ptr, Uint32  i  )

inline

Allocate object i from pool - update Ptr

Definition at line 761 of file ArrayPool.hpp.

Here is the call graph for this function:

Here is the caller graph for this function:

template<class T >

Uint32 ArrayPool< T >::seizeN ( Uint32  n )

protected

Allocate n consecutive object from pool return base

Definition at line 820 of file ArrayPool.hpp.

Here is the call graph for this function:

template<class T >

bool ArrayPool< T >::setSize ( Uint32  noOfElements, bool  align = false, bool  exit_on_error = true, bool  guard = true, Uint32  paramId = 0  )

inline

Set the size of the pool

Note, can currently only be called once

Set next pointers

Definition at line 302 of file ArrayPool.hpp.

Here is the call graph for this function:

Here is the caller graph for this function:

---

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

• storage/ndb/src/kernel/vm/ArrayPool.hpp