NAME
corelinux::Builder - Builder seperates the construction of a complex object from its representation so that the same construction process can create different representations.
SYNOPSIS
#include <Builder.hpp>
Public Member Functions
Builder (AbstractFactory< UniqueId > *aAbstractFactory) throw ( Assertion )
Default constructor requires a abstract factory for building the product parts. Builder (const Builder &aBuilder) throw ( Assertion )
Copy constructor creates a new instance of the reference abstract factory. virtual ~Builder (void)
Virtual destructor. Builder & operator= (const Builder &aRef)
Operation assignment. bool operator== (const Builder &aRef)
Equality operator. virtual ProductImpl * getCurrentProduct (void) const
Retrieves the current product. virtual CountCref getProductCreates (void) const
Retrieve the product create counts. virtual CountCref getProductDestroys (void) const
Retrieve the product destroy counts. virtual AbstractFactory< UniqueId > * getFactory (void) const
Retrieve the AbstractFactory. virtual ProductImpl * create (void)
Default create routine invokes the implementation createProduct method. virtual void destroy (ProductImpl *aPtr)
Default destroy routine invokes the implementation destroyProduct method.
Protected Member Functions
Builder (void) throw (Assertion)
Default constructor not supported. void incrementCreates (void)
Increment the creates. void incrementDestroys (void)
Increment the destroys. virtual ProductImpl * createProduct (void) const =0
Pure virtual createProduct. virtual void destroyProduct (ProductImpl *) const =0
Pure virtual destroyProduct.
Protected Attributes
ProductImpl * theCurrentProduct
The product that was most recently built. AbstractFactory< UniqueId > * theFactory
The factory for creating parts. Count theProductCreates
The count of creates. Count theProductDestroys
The count of destroys.
Detailed Description
template<class ProductImpl, class UniqueId> class corelinux::Builder< ProductImpl, UniqueId >
Builder seperates the construction of a complex object from its representation so that the same construction process can create different representations.
This differs from AbstractFactory in that the Factory creates parts and Builder creates Products (assembled parts).
See also:
AbstractFactory, Allocator, AbstractAllocator
Constructor & Destructor Documentation
template<class ProductImpl, class UniqueId> corelinux::Builder< ProductImpl, UniqueId >::Builder (AbstractFactory< UniqueId > * aAbstractFactory) throw ( Assertion ) [inline]
Default constructor requires a abstract factory for building the product parts. Parameters:
AbstractFactory .RE
template<class ProductImpl, class UniqueId> corelinux::Builder< ProductImpl, UniqueId >::Builder (const Builder< ProductImpl, UniqueId > & aBuilder) throw ( Assertion ) [inline]
Copy constructor creates a new instance of the reference abstract factory. Parameters:
Builder const reference
Member Function Documentation
template<class ProductImpl, class UniqueId> virtual ProductImpl* corelinux::Builder< ProductImpl, UniqueId >::create (void) [inline, virtual]
Default create routine invokes the implementation createProduct method. Returns:
ProductImpl pointer
template<class ProductImpl, class UniqueId> virtual void corelinux::Builder< ProductImpl, UniqueId >::destroy (ProductImpl * aPtr) [inline, virtual]
Default destroy routine invokes the implementation destroyProduct method. Parameters:
ProductImpl pointer
template<class ProductImpl, class UniqueId> virtual ProductImpl* corelinux::Builder< ProductImpl, UniqueId >::getCurrentProduct (void) const [inline, virtual]
Retrieves the current product. Returns:
ProductImpl pointer
template<class ProductImpl, class UniqueId> Builder& corelinux::Builder< ProductImpl, UniqueId >::operator= (const Builder< ProductImpl, UniqueId > & aRef) [inline]
Operation assignment. Uses the same factory as the reference after destroying theCurrentProduct.
Parameters:
Builder const reference
Returns:
Builder reference
template<class ProductImpl, class UniqueId> bool corelinux::Builder< ProductImpl, UniqueId >::operator== (const Builder< ProductImpl, UniqueId > & aRef) [inline]
Equality operator. Parameters:
Builder const reference
Returns:
bool - true if same Builder instance
Author
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