added fetchDataByTag

xcatsan · May 21, 2010 · 49424f1 · 49424f1
1 parent 380abf1
commit 49424f1
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Showing 6 changed files with 57 additions and 12 deletions.
diff --git a/CoreDataRelationship/CoreDataRelationship.xcodeproj/project.pbxproj b/CoreDataRelationship/CoreDataRelationship.xcodeproj/project.pbxproj
@@ -9,7 +9,7 @@
 /* Begin PBXBuildFile section */
 		2F7446990DB6B7EA00F9684A /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 2F7446970DB6B7EA00F9684A /* MainMenu.xib */; };
 		4C93731811A4EF51009D21D7 /* BlogEntry.m in Sources */ = {isa = PBXBuildFile; fileRef = 4C93731511A4EF51009D21D7 /* BlogEntry.m */; };
-		4C93731911A4EF51009D21D7 /* Tag.m in Sources */ = {isa = PBXBuildFile; fileRef = 4C93731711A4EF51009D21D7 /* Tag.m */; };
+		4C9373DE11A60933009D21D7 /* Tag.m in Sources */ = {isa = PBXBuildFile; fileRef = 4C9373DD11A60933009D21D7 /* Tag.m */; };
 		770B37ED0679A11B001EADE2 /* CoreDataRelationship_DataModel.xcdatamodel in Sources */ = {isa = PBXBuildFile; fileRef = 770B37EC0679A11B001EADE2 /* CoreDataRelationship_DataModel.xcdatamodel */; };
 		77C8280E06725ACE000B614F /* CoreDataRelationship_AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 77C8280C06725ACE000B614F /* CoreDataRelationship_AppDelegate.m */; };
 		8D11072B0486CEB800E47090 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 089C165CFE840E0CC02AAC07 /* InfoPlist.strings */; };
@@ -27,8 +27,8 @@
 		32CA4F630368D1EE00C91783 /* CoreDataRelationship_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CoreDataRelationship_Prefix.pch; sourceTree = "<group>"; };
 		4C93731411A4EF51009D21D7 /* BlogEntry.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BlogEntry.h; sourceTree = "<group>"; };
 		4C93731511A4EF51009D21D7 /* BlogEntry.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BlogEntry.m; sourceTree = "<group>"; };
-		4C93731611A4EF51009D21D7 /* Tag.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Tag.h; sourceTree = "<group>"; };
-		4C93731711A4EF51009D21D7 /* Tag.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Tag.m; sourceTree = "<group>"; };
+		4C9373DC11A60933009D21D7 /* Tag.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Tag.h; sourceTree = "<group>"; };
+		4C9373DD11A60933009D21D7 /* Tag.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Tag.m; sourceTree = "<group>"; };
 		770B37EC0679A11B001EADE2 /* CoreDataRelationship_DataModel.xcdatamodel */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = wrapper.xcdatamodel; path = CoreDataRelationship_DataModel.xcdatamodel; sourceTree = "<group>"; };
 		77C82804067257F0000B614F /* CoreData.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreData.framework; path = /System/Library/Frameworks/CoreData.framework; sourceTree = "<absolute>"; };
 		77C8280B06725ACE000B614F /* CoreDataRelationship_AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CoreDataRelationship_AppDelegate.h; sourceTree = "<group>"; };
@@ -52,10 +52,10 @@
 		080E96DDFE201D6D7F000001 /* Classes */ = {
 			isa = PBXGroup;
 			children = (
+				4C9373DC11A60933009D21D7 /* Tag.h */,
+				4C9373DD11A60933009D21D7 /* Tag.m */,
 				4C93731411A4EF51009D21D7 /* BlogEntry.h */,
 				4C93731511A4EF51009D21D7 /* BlogEntry.m */,
-				4C93731611A4EF51009D21D7 /* Tag.h */,
-				4C93731711A4EF51009D21D7 /* Tag.m */,
 				77C8280B06725ACE000B614F /* CoreDataRelationship_AppDelegate.h */,
 				77C8280C06725ACE000B614F /* CoreDataRelationship_AppDelegate.m */,
 			);
@@ -196,7 +196,7 @@
 				77C8280E06725ACE000B614F /* CoreDataRelationship_AppDelegate.m in Sources */,
 				770B37ED0679A11B001EADE2 /* CoreDataRelationship_DataModel.xcdatamodel in Sources */,
 				4C93731811A4EF51009D21D7 /* BlogEntry.m in Sources */,
-				4C93731911A4EF51009D21D7 /* Tag.m in Sources */,
+				4C9373DE11A60933009D21D7 /* Tag.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

diff --git a/CoreDataRelationship/CoreDataRelationship_AppDelegate.m b/CoreDataRelationship/CoreDataRelationship_AppDelegate.m
@@ -211,6 +211,7 @@ - (void)addTestData
 	}
 
 	NSManagedObjectContext* moc = [self managedObjectContext];
+	NSError* error = nil;
 
 	Tag* tag1 = [NSEntityDescription insertNewObjectForEntityForName:@"Tag"
 											  inManagedObjectContext:moc];
@@ -223,12 +224,21 @@ - (void)addTestData
 	Tag* tag3 = [NSEntityDescription insertNewObjectForEntityForName:@"Tag"
 											  inManagedObjectContext:moc];
 	tag3.name = @"iPad";
+
+	[moc save:&error];
+	if (error) {
+		NSLog(@"INSERT ERROR: %@", error);
+	} else {
+		NSLog(@"INSERTED: Tag");
+	}	
+
 
 	BlogEntry* blog1 = [NSEntityDescription insertNewObjectForEntityForName:@"BlogEntry"
 													 inManagedObjectContext:moc];
 	blog1.title = @"CoreData のリレーションしっぷについて";
 	blog1.content = @"かくかくしかじか";
 	blog1.created = [NSDate date];
+//	[blog1 addTags:[NSSet setWithObjects:tag1, tag2, tag3, nil]];
 	blog1.tags = [NSSet setWithObjects:tag1, tag2, tag3, nil];
 
 	BlogEntry* blog2 = [NSEntityDescription insertNewObjectForEntityForName:@"BlogEntry"
@@ -237,14 +247,13 @@ - (void)addTestData
 	blog2.content = @"かくかくしかじか";
 	blog2.created = [NSDate date];
 	blog2.tags = [NSSet setWithObjects:tag3, nil];
+//	[blog2 addTags:[NSSet setWithObjects:tag3, nil]];
 
-	NSError* error = nil;
 	[moc save:&error];
-
 	if (error) {
 		NSLog(@"INSERT ERROR: %@", error);
 	} else {
-		NSLog(@"INSERTED");
+		NSLog(@"INSERTED: BlogEntry");
 	}	
 }
 
@@ -262,6 +271,7 @@ - (void)fetchData
 
 	NSLog(@"----- listup tag ---------------------------------------------------");
 	for (BlogEntry* entry in list) {
+		NSLog(@"title=%@", entry.title);
 		for (Tag* tag in entry.tags) {
 			NSLog(@"*tag*: %@", tag.name);
 		}
@@ -271,9 +281,33 @@ - (void)fetchData
 
 }
 
+- (void)fetchDataByTag
+{
+	NSManagedObjectContext* moc = [self managedObjectContext];
+
+	NSFetchRequest* request = [[NSFetchRequest alloc] init];
+	[request setEntity:[NSEntityDescription entityForName:@"Tag"
+								   inManagedObjectContext:managedObjectContext]];
+
+	NSError* error = nil;
+	NSLog(@"----- executeFetchRequest ------------------------------------------");
+	NSArray* tags = [moc executeFetchRequest:request error:&error];
+
+	NSLog(@"----- listup entry ---------------------------------------------------");
+	for (Tag* tag in tags) {
+		NSLog(@"tag name=%@", tag.name);
+		for (BlogEntry* entry in tag.entries) {
+			NSLog(@"*entry*: %@", entry.title);
+		}
+	}
+
+	[request release];
+}
+
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
 	[self addTestData];	
-	[self fetchData];
+//	[self fetchData];
+	[self fetchDataByTag];
 }
 
 

diff --git a/CoreDataRelationship/CoreDataRelationship_DataModel.xcdatamodel/elements b/CoreDataRelationship/CoreDataRelationship_DataModel.xcdatamodel/elements
diff --git a/CoreDataRelationship/CoreDataRelationship_DataModel.xcdatamodel/layout b/CoreDataRelationship/CoreDataRelationship_DataModel.xcdatamodel/layout
diff --git a/CoreDataRelationship/Tag.h b/CoreDataRelationship/Tag.h
@@ -2,19 +2,28 @@
 //  Tag.h
 //  CoreDataRelationship
 //
-//  Created by Hiroshi Hashiguchi on 10/05/20.
+//  Created by Hiroshi Hashiguchi on 10/05/21.
 //  Copyright 2010 . All rights reserved.
 //
 
 #import <CoreData/CoreData.h>
 
+@class BlogEntry;
 
 @interface Tag :  NSManagedObject  
 {
 }
 
 @property (retain) NSString * name;
+@property (retain) NSSet* entries;
 
 @end
 
+@interface Tag (CoreDataGeneratedAccessors)
+- (void)addEntriesObject:(BlogEntry *)value;
+- (void)removeEntriesObject:(BlogEntry *)value;
+- (void)addEntries:(NSSet *)value;
+- (void)removeEntries:(NSSet *)value;
+
+@end
 
diff --git a/CoreDataRelationship/Tag.m b/CoreDataRelationship/Tag.m
@@ -2,15 +2,17 @@
 //  Tag.m
 //  CoreDataRelationship
 //
-//  Created by Hiroshi Hashiguchi on 10/05/20.
+//  Created by Hiroshi Hashiguchi on 10/05/21.
 //  Copyright 2010 . All rights reserved.
 //
 
 #import "Tag.h"
 
+#import "BlogEntry.h"
 
 @implementation Tag 
 
 @dynamic name;
+@dynamic entries;
 
 @end