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/*
protocols.h
Copyright 1991,NeXT Computer,Inc.
*/
#import <objc/objc.h>
@class IXStore;
#define IX_STOREUSERERRBASE (9000)
#define IX_STOREMACHERRBASE IX_STOREUSERERRBASE + (100)
#define IX_STOREUNIXERRBASE IX_STOREUSERERRBASE + (300)
typedef enum IXStoreErrorType {
IX_NoError = IX_STOREUSERERRBASE,
IX_InternalError,
IX_ArgumentError,
IX_QueryEvalError,
IX_QueryTypeError,
IX_QueryAttrError,
IX_QueryImplError,
IX_QueryYaccError,
IX_MemoryError,
IX_LockedError,
IX_MachineError,
IX_VersionError,
IX_DamagedError,
IX_DuplicateError,
IX_NotFoundError,
IX_TooLargeError,
IX_UnixErrorBase = IX_STOREUNIXERRBASE,
IX_MachErrorBase = IX_STOREMACHERRBASE
} IXStoreErrorType;
/* An object that conforms to this protocol is a store client. It is a pseudo */
/* persistent object, meaning that the run time representation of the object */
/* may be freed, and later reconsituted by activation from persistent data in a */
/* store. Every store client has a bootstrap handle; this is the handle of a */
/* block from which all other blocks managed by the store client are reachable.*/
@protocol IXBlockAndStoreAccess
/* Frees a store client of the receiving class from the designated bootstrap */
/* handle in the designated store. This may involve instantiating the store */
/* client from the designated handle and store, then sending it freeFromStore.*/
+ freeFromBlock:(unsigned)aHandle inStore:(IXStore *)aStore;
/* Frees the run time representation of a store client, and frees all blocks */
/* allocated by the store client from the store.*/
- freeFromStore;
/* Finds the bootstrap handle and store of a store client. This is enough */
/* information to later reconsitute another run time representation of the */
/* store client.*/
- getBlock:(unsigned *)aHandle andStore:(IXStore **)aStore;
/* Creates a store client of the receiving class in the designated store, */
/* allocating at least the bootstrap handle, and initializes the run time */
/* representation.*/
- initInStore:(IXStore *)aStore;
/* Reconstitutes and initializes a run time representation of a store client of */
/* the receving class from the designated bootstrap handle and store.*/
- initFromBlock:(unsigned)aHandle inStore:(IXStore *)aStore;
@end
/* An object that conforms to this protocol uses an IXStoreDirectory to */
/* bootstrap from an object name and a file name, rather than from a bootstrap */
/* handle. By convention, the IXStoreDirectory is bootstrapped from the */
/* distinguished block handle, 1.*/
@protocol IXNameAndFileAccess <IXBlockAndStoreAccess>
/* Performs + freeFromBlock:inStore: for the designated object in the */
/* designated file.*/
+ freeFromName:(const char *)aName inFile:(const char *)aFile;
/* Returns the object name and file name of a store client. This is enough */
/* information to later reconsitute another run time representation of the */
/* store client.*/
- getName:(const char **)aName andFile:(const char **)aFile;
/* Creates a store client of the receiving class in the designated file, */
/* allocating at least the bootstrap handle, and initializes the run time */
/* representation. Creates the IXStoreDirectory, if necessary.*/
- initWithName:(const char *)aName inFile:(const char *)aFile;
/* Reconstitutes and initializes a run time representation of a store client of */
/* the receving class from the designated object name and file name.*/
- initFromName:(const char *)aName inFile:(const char *)aFile
forWriting:(BOOL)writingFlag;
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.