mirror of
https://github.com/gnustep/libs-gdl2.git
synced 2025-02-19 17:50:47 +00:00
4d73ac52dd
* Examples: ... here. * Examples/GNUmakefile: Adapt to new location. * Documentation/GDL2Intro/GNUmakefile: Remove subproject. * Documentation/GDL2Intro/GDL2Intro.texi: Update references to new location. * Trading: Move to ... * Examples/Trading: ... here. * Examples/Trading/GNUmakefile: Adapte to new location. * Examples/GNUmakefile: Add Trading. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@27918 72102866-910b-0410-8b05-ffd578937521
74 lines
2.1 KiB
Objective-C
74 lines
2.1 KiB
Objective-C
#include <Foundation/Foundation.h>
|
|
#include <EOAccess/EOAccess.h>
|
|
#include <EOControl/EOControl.h>
|
|
|
|
int
|
|
main(int arcg, char *argv[], char **envp)
|
|
{
|
|
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
|
|
EOModelGroup *group = [EOModelGroup defaultGroup];
|
|
EOModel *model;
|
|
EOAdaptor *adaptor;
|
|
EOAdaptorContext *context;
|
|
EOAdaptorChannel *channel;
|
|
EOEditingContext *ec;
|
|
EODatabaseDataSource *authorsDS;
|
|
EODataSource *booksDS;
|
|
id author;
|
|
id book;
|
|
|
|
model = [group modelNamed:@"library"];
|
|
|
|
/* Tools do not have resources so we add the model manually. */
|
|
if (!model)
|
|
{
|
|
NSString *path = @"./library.eomodel";
|
|
model = [[EOModel alloc] initWithContentsOfFile: path];
|
|
[group addModel:model];
|
|
[model release];
|
|
}
|
|
|
|
adaptor = [EOAdaptor adaptorWithModel:model];
|
|
context = [adaptor createAdaptorContext];
|
|
channel = [context createAdaptorChannel];
|
|
ec = [[EOEditingContext alloc] init];
|
|
authorsDS
|
|
= [[EODatabaseDataSource alloc] initWithEditingContext: ec
|
|
entityName:@"authors"];
|
|
|
|
[channel openChannel];
|
|
|
|
author = [authorsDS createObject];
|
|
[author takeValue:@"Richard Brautigan" forKey:@"name"];
|
|
[authorsDS insertObject:author];
|
|
|
|
booksDS = [authorsDS dataSourceQualifiedByKey:@"toBooks"];
|
|
[booksDS qualifyWithRelationshipKey:@"toBooks" ofObject:author];
|
|
|
|
book = [booksDS createObject];
|
|
[book takeValue:@"The Hawkline Monster" forKey:@"title"];
|
|
[booksDS insertObject:book];
|
|
|
|
book = [booksDS createObject];
|
|
[book takeValue:@"Trout Fishing in America" forKey:@"title"];
|
|
[booksDS insertObject:book];
|
|
|
|
[ec saveChanges];
|
|
|
|
/* log the to many relationship from author to books */
|
|
NSLog(@"%@ %@",
|
|
[author valueForKey:@"name"],
|
|
[author valueForKeyPath:@"toBooks.title"]);
|
|
|
|
/* log the to one relationship from book to author */
|
|
NSLog(@"%@", [book valueForKeyPath:@"toAuthor.name"]);
|
|
|
|
/* traverse to one through the to many through key paths
|
|
logging the author once for each book. */
|
|
NSLog(@"%@", [author valueForKeyPath:@"toBooks.toAuthor.name"]);
|
|
|
|
[channel closeChannel];
|
|
[pool release];
|
|
return 0;
|
|
}
|
|
|