You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
2.3 KiB
59 lines
2.3 KiB
// Retainable.h -- Retainable class declaration
|
|
|
|
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
|
|
// 1999. This computer program includes Confidential, Proprietary
|
|
// Information and is a Trade Secret of Schlumberger Technology Corp. All
|
|
// use, disclosure, and/or reproduction is prohibited unless authorized
|
|
// in writing. All Rights Reserved.
|
|
|
|
#if !defined(SLBCSP_RETAINABLE_H)
|
|
#define SLBCSP_RETAINABLE_H
|
|
|
|
// Abstract base class mixin (interface) used by derived classes to
|
|
// define the interface to retain an object (block all other
|
|
// applications from access until interactions with that resource are
|
|
// complete). See the companion Retained template class to manage the
|
|
// resources derived from Retainable.
|
|
class Retainable
|
|
{
|
|
public:
|
|
// Types
|
|
// C'tors/D'tors
|
|
Retainable();
|
|
|
|
virtual
|
|
~Retainable() = 0;
|
|
// Operators
|
|
// Operations
|
|
// Give up control of the resource.
|
|
virtual void
|
|
Relinquish() = 0;
|
|
|
|
// Obtain control of the resource, blocking all others from use.
|
|
virtual void
|
|
Retain() = 0;
|
|
|
|
// Access
|
|
// Predicates
|
|
|
|
protected:
|
|
// Types
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Variables
|
|
|
|
private:
|
|
// Types
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Variables
|
|
};
|
|
|
|
|
|
#endif // SLBCSP_RETAINABLE_H
|