/usr/include/corelinux/Builder.hpp is in libcorelinux-dev 0.4.32-7.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define __BUILDER_HPP
/*
CoreLinux++
Copyright (C) 1999,2000 CoreLinux Consortium
The CoreLinux++ Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The CoreLinux++ Library Library is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#if !defined(__COMMON_HPP)
#include <Common.hpp>
#endif
#if !defined(__ABSTRACTFACTORY_HPP)
#include <AbstractFactory.hpp>
#endif
namespace corelinux
{
/**
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 AbstractFactory, Allocator, AbstractAllocator
*/
template< class ProductImpl, class UniqueId >
class Builder
{
public:
//
// Constructors and destructor
//
/**
Default constructor requires a abstract
factory for building the product parts
@param AbstractFactory
*/
Builder
(
AbstractFactory<UniqueId> *aAbstractFactory
)
throw( Assertion )
:
theCurrentProduct( NULLPTR ),
theFactory( NULLPTR ),
theProductCreates( 0 ),
theProductDestroys( 0 )
{
REQUIRE( aAbstractFactory != NULLPTR );
theFactory = aAbstractFactory ;
}
/**
Copy constructor creates a new instance of the
reference abstract factory
@param Builder const reference
*/
Builder( const Builder &aBuilder )
throw( Assertion )
:
theCurrentProduct( NULLPTR ),
theFactory( aBuilder.getFactory() ),
theProductCreates( 0 ),
theProductDestroys( 0 )
{
REQUIRE( theFactory != NULLPTR );
}
/// Virtual destructor
virtual ~Builder( void )
{
; // do nothing
}
//
// Operator overloads
//
/**
Operation assignment. Uses the same factory
as the reference after destroying theCurrentProduct.
@param Builder const reference
@return Builder reference
*/
Builder & operator=( const Builder &aRef )
{
if( this != &aRef )
{
this->destroy( theCurrentProduct );
theFactory = aRef.getFactory();
theCurrentProduct = NULLPTR;
theProductCreates = 0;
theProductDestroys = 0;
}
else
{
; // do nothing
}
return ( *this );
}
/**
Equality operator
@param Builder const reference
@return bool - true if same Builder instance
*/
bool operator==( const Builder &aRef )
{
return ( this == &aRef );
}
//
// Accessors
//
/**
Retrieves the current product
@return ProductImpl pointer
*/
virtual ProductImpl * getCurrentProduct( void ) const
{
return theCurrentProduct;
}
/// Retrieve the product create counts
virtual CountCref getProductCreates( void ) const
{
return theProductCreates;
}
/// Retrieve the product destroy counts
virtual CountCref getProductDestroys( void ) const
{
return theProductDestroys;
}
/// Retrieve the AbstractFactory
virtual AbstractFactory<UniqueId> * getFactory( void ) const
{
return theFactory;
}
//
// Builder methods
//
/**
Default create routine invokes the implementation
createProduct method
@return ProductImpl pointer
*/
virtual ProductImpl * create( void )
{
ProductImpl *aPtr( NULLPTR );
try
{
aPtr = createProduct();
CHECK( aPtr != NULLPTR );
theCurrentProduct = aPtr;
incrementCreates();
}
catch( ... )
{
throw;
}
return aPtr;
}
/**
Default destroy routine invokes the implementation
destroyProduct method
@param ProductImpl pointer
*/
virtual void destroy( ProductImpl * aPtr )
{
REQUIRE( aPtr != NULLPTR );
try
{
destroyProduct( aPtr );
incrementDestroys();
}
catch( ... )
{
throw;
}
if( aPtr == theCurrentProduct )
{
theCurrentProduct = NULLPTR;
}
else
{
; // do nothing
}
}
protected:
//
// Constructor
//
/// Default constructor not supported
Builder( void ) throw(Assertion)
:
theCurrentProduct( NULLPTR ),
theFactory( NULLPTR ),
theProductCreates( 0 ),
theProductDestroys( 0 )
{
NEVER_GET_HERE;
}
//
// Mutators
//
/// Increment the creates
void incrementCreates( void )
{
++theProductCreates;
}
/// Increment the destroys
void incrementDestroys( void )
{
++theProductDestroys;
}
//
// Factory methods
//
/// Pure virtual createProduct
virtual ProductImpl * createProduct( void ) const = 0;
/// Pure virtual destroyProduct
virtual void destroyProduct( ProductImpl * ) const = 0;
protected:
//
// Data members
//
/// The product that was most recently built
ProductImpl *theCurrentProduct;
/// The factory for creating parts
AbstractFactory<UniqueId> *theFactory;
/// The count of creates
Count theProductCreates;
/// The count of destroys
Count theProductDestroys;
};
}
#endif // if !defined(__BUILDER_HPP)
/*
Common rcs information do not modify
$Author: prudhomm $
$Revision: 1.1 $
$Date: 2000/04/23 20:43:13 $
$Locker: $
*/
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