*************************** SDEntry.h ******************************







@interface SDEntry:NSObject



{

    NSString *name;

    NSString *classname;

    Class theClass;

    id theObject;

    SDStore *storeFile;

    int blockNumber;

}



- initWithName:(NSString *)aName class:(Class)aClass forStoreFile:(id) aStoreFile;

- (void)encodeWithCoder:(NSCoder *)aCoder;

- (id) initWithCoder:(NSCoder *)aDecoder;

- (id) theObject;

- (void) setStoreFile:(SDStore *)aStoreFile;

- (int) blockNumber;

- (void) freeObjectFromBlock;



@end





*************************** SDEntry.m ******************************



#import "ixCover.h"



@implementation SDEntry:NSObject



- initWithName:(NSString *)aName class:(Class)aClass forStoreFile:(id) aStoreFile

{

    name = [[NSString allocWithZone:[self zone]] initWithString:aName];

    theClass = aClass;

    classname = [[NSString allocWithZone:[self zone]] initWithString:NSStringFromClass(theClass)];

    storeFile = aStoreFile;

    theObject = [[[theClass alloc] initInStore:storeFile] retain];

    blockNumber = [theObject blockNumber];

    return self;

}





- (void)encodeWithCoder:(NSCoder *)aCoder

{

    [aCoder encodeObject:name];

    [aCoder encodeObject:classname];

    [aCoder encodeValuesOfObjCTypes:"i", &blockNumber];



}



- (id) initWithCoder:(NSCoder *)aDecoder

{

    name = [[aDecoder decodeObject] retain];

    classname = [[aDecoder decodeObject] retain];

    [aDecoder decodeValuesOfObjCTypes:"i", &blockNumber];

    theClass = NSClassFromString(classname);

    theObject = nil;

    storeFile = nil;

    return self;

}



- (id) theObject

{

    if (!theObject) {

      theObject = [[[theClass alloc] initFromBlock:blockNumber inStore:storeFile] retain];

    }

    return theObject;

}



- (void) setStoreFile:(SDStore *)aStoreFile

{

    storeFile = aStoreFile;

}



- (void) freeObjectFromBlock

{

    if (!theObject) {

        [theClass freeFromBlock:blockNumber inStore:storeFile];

    } else {

        [theObject freeFromStore];

        [theObject release];

        theObject = nil;

    }

}



- (int) blockNumber

{

    return blockNumber;

}



- (void) dealloc

{

    [name release];

    [classname release];

    [theObject release];

    [super dealloc];

}



@end