Re: Question About Builder Object

Responding to Parwal.sandeep...

I'm newbie in Design pattern.
I'm using Builder pattern for my application.

i want to know that can Concrete builder have their own private
function which can be called by
public function which concrete builder has to implement..

or

concrete builder can only have the public function ..

can any body tell me what is standard for that ..

The concrete builder needs to provide an interface for the [Builder] public function. The polymorphic dispatch depends upon that so the the client does not have to know which flavor of Builder is actually being invoked.

However, there is nothing to prevent that implementation from using indirection to a private function:

class Builder
{
public:
virtual BuildPart();
...
}

class ConcreteBuilder
{
public:
BuildPart() {myPrivateBuildPart();};
...
private:
myPrivateBuildPart()
...
}


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