Places in code with 6 or more lines that are exactly the same.
Intro
- For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
- Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
- You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
- To learn more about duplications and techniques for eliminating duplication, Sokrates recommends the following resources:
- Avoid Repetition, MartinFlower.com (IEEE Software article)
- Refactoring duplicated code, sourcemaking.com
- Beck Design Rules, MartinFowler.com
- DRY (Don't Repeat Yourself) Principle, Wikipedia
- The Cut-and-Paste Programming Software Development Anti-Pattern, sourcemaking.com
- Code Smells / Duplicated Code, Jeff Atwood, codinghorror.com:
- "Duplicated code is the bane of software development. Stamp out duplication whenever possible. You should always be on the lookout for more subtle cases of near-duplication, too. Don't Repeat Yourself!"
- Reducing Coupling, MartinFlower.com (IEEE Software article):
- "There are several ways to describe coupling, but it boils down to this: If changing one module in a program requires changing another module, then coupling exists. ... Duplication always implies coupling, because changing one piece of duplicate code implies changing the other."
Duplication Overall
- 22% duplication:
- 7,686 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
- 1,723 duplicated lines
- 430 duplicates
Duplication per Extension
Duplication per Component (primary)
Longest Duplicates
The list of 20 longest duplicates.
| Size | # | Folders | Files | Lines | Code |
|---|---|---|---|---|---|
| 49 | x 2 | BluetoothLEExplorer/Blue...Explorer/Views/ServicesBluetoothLEExplorer/Blue...Explorer/Views/Services | xaml BloodPressureServicePage.xamlHeartRateServicePage.xaml |
21:110 (72%)21:110 (73%) | view |
| 49 | x 2 | BluetoothLEExplorer/Blue...Explorer/Views/ServicesBluetoothLEExplorer/Blue...Explorer/Views/Services | xaml BatteryServicePage.xamlHeartRateServicePage.xaml |
21:110 (73%)21:110 (73%) | view |
| 49 | x 2 | BluetoothLEExplorer/Blue...Explorer/Views/ServicesBluetoothLEExplorer/Blue...Explorer/Views/Services | xaml BatteryServicePage.xamlBloodPressureServicePage.xaml |
21:110 (73%)21:110 (72%) | view |
| 48 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels |  CharacteristicPageViewModel.csServicePageViewModel.cs |
122:279 (17%)83:240 (37%) | view |
| 36 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementBeaconPage.xamlAdvertisementMonitorPage.xaml |
23:80 (24%)21:78 (26%) | view |
| 36 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementMonitorPage.xamlDiscover.xaml |
21:78 (26%)22:79 (24%) | view |
| 36 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementBeaconPage.xamlDiscover.xaml |
23:80 (24%)22:79 (24%) | view |
| 32 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementPage.xamlServicePage.xaml |
21:79 (29%)20:79 (33%) | view |
| 29 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementBeaconDetailsPage.xamlAdvertisementPage.xaml |
22:70 (52%)21:69 (27%) | view |
| 29 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementBeaconDetailsPage.xamlServicePage.xaml |
22:70 (52%)20:69 (30%) | view |
| 21 | x 2 | BluetoothLEExplorer/Blue...Explorer/Views/ServicesBluetoothLEExplorer/Blue...Explorer/Views/Services | xaml AlertNotificationServicePage.xamlCurrentTimeServicePage.xaml |
104:132 (24%)77:105 (31%) | view |
| 20 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | CharacteristicPageViewModel.csCharacteristicPageViewModel.cs |
612:648 (7%)686:722 (7%) | view |
| 18 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementPage.xamlDeviceServicesPage.xaml |
46:79 (16%)60:94 (14%) | view |
| 18 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml DeviceServicesPage.xamlServicePage.xaml |
60:94 (14%)45:79 (18%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml VirtualKeyboardPage.xamlVirtualPeripheralPage.xaml |
57:89 (17%)44:76 (24%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml Discover.xamlVirtualPeripheralPage.xaml |
87:120 (11%)44:76 (24%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementMonitorPage.xamlVirtualKeyboardPage.xaml |
86:117 (12%)57:89 (17%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/StylesBluetoothLEExplorer/BluetoothLEExplorer/Styles | xaml Custom.xamlCustom.xaml |
19:40 (25%)47:89 (25%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementMonitorPage.xamlVirtualPeripheralPage.xaml |
86:117 (12%)44:76 (24%) | view |
| 17 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewsBluetoothLEExplorer/BluetoothLEExplorer/Views | xaml AdvertisementMonitorPage.xamlDiscover.xaml |
86:117 (12%)87:120 (11%) | view |
Duplicated Units
The list of top 10 duplicated units.
| Size | # | Folders | Files | Lines | Code |
|---|---|---|---|---|---|
| 10 | x 3 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | ShellViewModel.csVirtualKeyboardPageViewModel.csVirtualPeripheralPageViewModel.cs |
59:70 132:143 97:108 | view |
| 8 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | DeviceServicesPageViewModel.csServicePageViewModel.cs |
151:160 365:374 | view |
| 7 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | VirtualKeyboardPageViewModel.csVirtualPeripheralPageViewModel.cs |
195:203 222:230 | view |
| 7 | x 2 | GattServicesLibrary/Gatt...Library/CharacteristicsGattServicesLibrary/Gatt...Library/Characteristics | NewAlertCharacteristic.csUnreadAlertStatusCharacteristic.cs |
44:54 43:51 | view |
| 7 | x 2 | GattServicesLibrary/Gatt...Library/CharacteristicsGattServicesLibrary/Gatt...Library/Characteristics | NewAlertCharacteristic.csUnreadAlertStatusCharacteristic.cs |
56:76 53:61 | view |
| 6 | x 9 | BluetoothLEExplorer/Blue...Explorer/CustomControlsBluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/ModelsGattServicesLibrary/GattServicesLibraryGattServicesLibrary/GattServicesLibrary | GattLocalCharacteristicControl.xaml.csGattSampleContext.csObservableBluetoothLEAdvertisement.csObservableBluetoothLEAdvertisementFil...ObservableBluetoothLEDevice.csObservableGattDescriptors.csObservableGattDeviceService.csGenericGattCharacteristic.csGenericGattService.cs |
234:240 870:876 90:96 98:104 802:808 262:268 486:492 38:44 82:88 | view |
| 6 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ModelsBluetoothLEExplorer/BluetoothLEExplorer/Models | ObservableGattCharacteristics.csObservableGattDescriptors.cs |
396:402 189:195 | view |
| 6 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | CharacteristicPageViewModel.csDeviceServicesPageViewModel.cs |
482:488 200:206 | view |
| 6 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | DeviceServicesPageViewModel.csShellViewModel.cs |
125:132 45:52 | view |
| 6 | x 2 | BluetoothLEExplorer/BluetoothLEExplorer/ViewModelsBluetoothLEExplorer/BluetoothLEExplorer/ViewModels | DeviceServicesPageViewModel.csServicePageViewModel.cs |
168:175 382:389 | view |