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version 1.1.2.4, 2006/06/30 20:32:41
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version 1.1.2.8, 2006/06/30 22:37:52
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| #include <new> | #include <new> |
| #include "IDFactory.h" | #include "IDFactory.h" |
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| #define PEGASUS_IDFACTORY_MAGIC 0x94E91236 |
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| PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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| IDFactory::IDFactory() |
IDFactory::IDFactory(Uint32 firstID) : _firstID(firstID), _nextID(_firstID) |
| { | { |
| IDFactoryRep* rep = (IDFactoryRep*)_rep; |
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| PEGASUS_ASSERT(rep->magic != PEGASUS_IDFACTORY_MAGIC); |
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| new (rep) IDFactoryRep(); |
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| rep->magic = PEGASUS_IDFACTORY_MAGIC; |
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| rep->next = 1; |
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| } | } |
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| IDFactory::~IDFactory() | IDFactory::~IDFactory() |
| { | { |
| IDFactoryRep* rep = (IDFactoryRep*)_rep; |
PEGASUS_DEBUG_ASSERT(_magic); |
| rep->magic = 0xDDDDDDDD; |
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| // Note: never destructor mutex! |
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| } | } |
| | |
| Uint32 IDFactory::getNext() |
Uint32 IDFactory::getID() const |
| { | { |
| IDFactoryRep* rep = (IDFactoryRep*)_rep; |
PEGASUS_DEBUG_ASSERT(_magic); |
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IDFactory* self = (IDFactory*)this; |
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| PEGASUS_ASSERT(rep->magic == PEGASUS_IDFACTORY_MAGIC); |
Uint32 id; |
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| rep->mutex.lock(); |
self->_mutex.lock(); |
| Uint32 tmp = rep->next++; |
{ |
| rep->mutex.unlock(); |
if (_pool.isEmpty()) |
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{ |
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if (self->_nextID < _firstID) |
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self->_nextID = _firstID; |
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| return tmp; |
id = self->_nextID++; |
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} |
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else |
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{ |
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id = _pool.top(); |
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self->_pool.pop(); |
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} |
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} |
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self->_mutex.unlock(); |
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return id; |
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} |
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void IDFactory::putID(Uint32 id) |
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{ |
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PEGASUS_DEBUG_ASSERT(_magic); |
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PEGASUS_DEBUG_ASSERT(id >= _firstID); |
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if (id < _firstID) |
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return; |
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_mutex.lock(); |
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{ |
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_pool.push(id); |
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} |
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_mutex.unlock(); |
| } | } |
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| PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
Return to
IDFactory.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common