Correctly present the childrenPermIds in the entity

SVN: 27159

openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h

@@ -40,7 +40,7 @@
 @property (nonatomic, retain) NSString * imageUrl;
 
 @property (nonatomic, retain) NSString * childrenPermIdsJson;
-@property (nonatomic, retain) NSArray * childrenPermIds;
+@property (readonly)          NSArray * childrenPermIds;
 
 @property (nonatomic, retain) NSString * propertiesJson;
 @property (readonly)          NSArray * properties;

openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m

@@ -71,7 +71,7 @@
     
     if (nil == childrenPermIds) {
         NSError *error;
-        NSArray *childrenPermIds = [NSJSONSerialization JSONObjectWithData: [self.propertiesJson dataUsingEncoding: NSASCIIStringEncoding] options: 0 error: &error];
+        childrenPermIds = [NSJSONSerialization JSONObjectWithData: [self.childrenPermIdsJson dataUsingEncoding: NSASCIIStringEncoding] options: 0 error: &error];
         if (error) {
             NSLog(@"Could not deserialize childrenPermIds %@", error);
         }

openbis-ipad/BisKit/Tests/CISDOBIpadEntityTest.m

@@ -90,6 +90,11 @@ NSManagedObjectContext* GetDatabaseManagedObjectContext(NSURL* storeURL, NSError
         // Create new entities in the moc, and store them.
        	CISDOBIpadEntity *entity = [NSEntityDescription insertNewObjectForEntityForName: @"CISDOBIpadEntity" inManagedObjectContext: _moc];
         [entity initializeFromRawEntity: rawEntity];
+        
+        // Make sure that the children collection is parsable
+        if ([rawEntity.children length] > 2) {
+            STAssertTrue([entity.childrenPermIds count] > 0, @"%@ should result in an entity with children", rawEntity.children);
+        }
     }
     
     NSError *error;