Ptex
Classes | Public Member Functions | Private Member Functions | Static Private Member Functions | Private Attributes | List of all members
PtexHashMap< Key, Value > Class Template Reference

#include <PtexHashMap.h>

Classes

class  Entry
 
struct  TableHeader
 

Public Member Functions

 PtexHashMap ()
 
 ~PtexHashMap ()
 
void clear ()
 
uint32_t size () const
 
Value get (Key &key) const
 
Value tryInsert (Key &key, Value value, size_t &newMemUsed)
 
template<typename Fn >
void foreach (Fn &fn) const
 

Private Member Functions

 PtexHashMap (const PtexHashMap &)
 
void operator= (const PtexHashMap &)
 
void initContents ()
 
void deleteContents ()
 
void * allocTable (int32_t numEntries, size_t &memsize)
 
void unlockTable (void *table)
 
void * lockTableAndGrowIfNeeded (size_t &newMemUsed)
 
void * grow (void *oldTable, size_t &newMemUsed)
 

Static Private Member Functions

static void getTable (const void *table, const TableHeader *&header, const Entry *&entries)
 
static void getTable (void *table, TableHeader *&header, Entry *&entries)
 

Private Attributes

void * _table
 
Mutex _lock
 
std::vector< void * > _oldTables
 

Detailed Description

template<typename Key, typename Value>
class PtexHashMap< Key, Value >

Definition at line 132 of file PtexHashMap.h.

Constructor & Destructor Documentation

◆ PtexHashMap() [1/2]

template<typename Key , typename Value >
PtexHashMap< Key, Value >::PtexHashMap ( const PtexHashMap< Key, Value > &  )
private

◆ PtexHashMap() [2/2]

template<typename Key , typename Value >
PtexHashMap< Key, Value >::PtexHashMap ( )
inline

Definition at line 177 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::initContents().

◆ ~PtexHashMap()

template<typename Key , typename Value >
PtexHashMap< Key, Value >::~PtexHashMap ( )
inline

Definition at line 182 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::deleteContents().

Member Function Documentation

◆ allocTable()

template<typename Key , typename Value >
void* PtexHashMap< Key, Value >::allocTable ( int32_t  numEntries,
size_t &  memsize 
)
inlineprivate

Definition at line 263 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::TableHeader::numEntries, and PtexHashMap< Key, Value >::TableHeader::size.

Referenced by PtexHashMap< Key, Value >::grow(), and PtexHashMap< Key, Value >::initContents().

◆ clear()

template<typename Key , typename Value >
void PtexHashMap< Key, Value >::clear ( )
inline

Definition at line 187 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::deleteContents(), and PtexHashMap< Key, Value >::initContents().

Referenced by PtexReader::prune().

◆ deleteContents()

template<typename Key , typename Value >
void PtexHashMap< Key, Value >::deleteContents ( )
inlineprivate

Definition at line 159 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_oldTables, PtexHashMap< Key, Value >::_table, PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::Entry::key, PtexHashMap< Key, Value >::TableHeader::numEntries, and PtexHashMap< Key, Value >::Entry::value.

Referenced by PtexHashMap< Key, Value >::clear(), and PtexHashMap< Key, Value >::~PtexHashMap().

◆ foreach()

template<typename Key , typename Value >
template<typename Fn >
void PtexHashMap< Key, Value >::foreach ( Fn &  fn) const
inline

Definition at line 251 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_table, PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::TableHeader::numEntries, and PtexHashMap< Key, Value >::Entry::value.

Referenced by PtexReaderCache::purgeAll().

◆ get()

template<typename Key , typename Value >
Value PtexHashMap< Key, Value >::get ( Key &  key) const
inline

Definition at line 197 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_table, PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::Entry::key, PtexHashMap< Key, Value >::TableHeader::numEntries, and PtexHashMap< Key, Value >::Entry::value.

Referenced by PtexReaderCache::get(), PtexReader::getData(), and PtexReaderCache::purge().

◆ getTable() [1/2]

template<typename Key , typename Value >
static void PtexHashMap< Key, Value >::getTable ( const void *  table,
const TableHeader *&  header,
const Entry *&  entries 
)
inlinestaticprivate

Definition at line 279 of file PtexHashMap.h.

Referenced by PtexHashMap< Key, Value >::deleteContents(), PtexHashMap< Key, Value >::foreach(), PtexHashMap< Key, Value >::get(), PtexHashMap< Key, Value >::grow(), PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded(), and PtexHashMap< Key, Value >::tryInsert().

◆ getTable() [2/2]

template<typename Key , typename Value >
static void PtexHashMap< Key, Value >::getTable ( void *  table,
TableHeader *&  header,
Entry *&  entries 
)
inlinestaticprivate

Definition at line 285 of file PtexHashMap.h.

◆ grow()

template<typename Key , typename Value >
void* PtexHashMap< Key, Value >::grow ( void *  oldTable,
size_t &  newMemUsed 
)
inlineprivate

Definition at line 311 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_oldTables, PtexHashMap< Key, Value >::allocTable(), PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::Entry::key, PtexHashMap< Key, Value >::TableHeader::numEntries, PtexHashMap< Key, Value >::TableHeader::size, and PtexHashMap< Key, Value >::Entry::value.

Referenced by PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded().

◆ initContents()

template<typename Key , typename Value >
void PtexHashMap< Key, Value >::initContents ( )
inlineprivate

Definition at line 153 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_table, and PtexHashMap< Key, Value >::allocTable().

Referenced by PtexHashMap< Key, Value >::clear(), and PtexHashMap< Key, Value >::PtexHashMap().

◆ lockTableAndGrowIfNeeded()

template<typename Key , typename Value >
void* PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded ( size_t &  newMemUsed)
inlineprivate

Definition at line 297 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_lock, PtexHashMap< Key, Value >::_table, PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::grow(), Mutex::lock(), PtexHashMap< Key, Value >::TableHeader::numEntries, and PtexHashMap< Key, Value >::TableHeader::size.

Referenced by PtexHashMap< Key, Value >::tryInsert().

◆ operator=()

template<typename Key , typename Value >
void PtexHashMap< Key, Value >::operator= ( const PtexHashMap< Key, Value > &  )
private

◆ size()

template<typename Key , typename Value >
uint32_t PtexHashMap< Key, Value >::size ( ) const
inline

Definition at line 193 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_table.

Referenced by PtexReaderCache::getStats().

◆ tryInsert()

template<typename Key , typename Value >
Value PtexHashMap< Key, Value >::tryInsert ( Key &  key,
Value  value,
size_t &  newMemUsed 
)
inline

Definition at line 220 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::getTable(), PtexHashMap< Key, Value >::Entry::key, PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded(), PtexHashMap< Key, Value >::TableHeader::numEntries, PtexMemoryFence(), PtexHashMap< Key, Value >::TableHeader::size, PtexHashMap< Key, Value >::unlockTable(), and PtexHashMap< Key, Value >::Entry::value.

Referenced by PtexReaderCache::get(), and PtexReader::getData().

◆ unlockTable()

template<typename Key , typename Value >
void PtexHashMap< Key, Value >::unlockTable ( void *  table)
inlineprivate

Definition at line 291 of file PtexHashMap.h.

References PtexHashMap< Key, Value >::_lock, PtexHashMap< Key, Value >::_table, and Mutex::unlock().

Referenced by PtexHashMap< Key, Value >::tryInsert().

Member Data Documentation

◆ _lock

template<typename Key , typename Value >
Mutex PtexHashMap< Key, Value >::_lock
private

Definition at line 341 of file PtexHashMap.h.

Referenced by PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded(), and PtexHashMap< Key, Value >::unlockTable().

◆ _oldTables

template<typename Key , typename Value >
std::vector<void*> PtexHashMap< Key, Value >::_oldTables
private

Definition at line 342 of file PtexHashMap.h.

Referenced by PtexHashMap< Key, Value >::deleteContents(), and PtexHashMap< Key, Value >::grow().

◆ _table

template<typename Key , typename Value >
void* PtexHashMap< Key, Value >::_table
private

Definition at line 340 of file PtexHashMap.h.

Referenced by PtexHashMap< Key, Value >::deleteContents(), PtexHashMap< Key, Value >::foreach(), PtexHashMap< Key, Value >::get(), PtexHashMap< Key, Value >::initContents(), PtexHashMap< Key, Value >::lockTableAndGrowIfNeeded(), PtexHashMap< Key, Value >::size(), and PtexHashMap< Key, Value >::unlockTable().

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