return self;
}
+- (BOOL)isEqual:(id)object {
+ return [object isKindOfClass:NJDevice.class]
+ && [[(NJDevice *)object productName] isEqualToString:self.productName]
+ && [(NJDevice *)object index] == self.index;
+}
+
- (NSString *)name {
return [NSString stringWithFormat:@"%@ #%d", _productName, _index];
}