aws-samples / amazon-keyspaces-examples
Duplication

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.
Learn more...
Duplication Overall
  • 35% duplication:
    • 1,382 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 495 duplicated lines
  • 56 duplicates
system35% (495 lines)
Duplication per Extension
ftl100% (248 lines)
java25% (82 lines)
yaml21% (79 lines)
js28% (68 lines)
yml41% (18 lines)
Duplication per Component (primary)
nodejs/datastax-v4/ecs-sigv426% (147 lines)
java/datastax-v4/connection-sigv4100% (76 lines)
java/datastax-v4/connection-vpc-endpoint45% (76 lines)
java/datastax-v3/connection-vpc-endpoint65% (75 lines)
java/datastax-v3/connection-sigv487% (75 lines)
java/datastax-v4/connection-lambda25% (37 lines)
dotnet/datastax-v3/connection-lambda12% (9 lines)
scala/datastax-v4/connection-sigv40% (0 lines)
python/datastax-v3/connection-sigv40% (0 lines)
golang/gocql/connection-sigv40% (0 lines)
ruby/datastax-v3/simple-connection0% (0 lines)
nodejs/datastax-v4/connection-sigv40% (0 lines)

Duplication Between Components (50+ lines)

G java/datastax-v4/connection-sigv4 java/datastax-v4/connection-sigv4 java/datastax-v4/connection-vpc-endpoint java/datastax-v4/connection-vpc-endpoint java/datastax-v4/connection-sigv4--java/datastax-v4/connection-vpc-endpoint 152 java/datastax-v3/connection-sigv4 java/datastax-v3/connection-sigv4 java/datastax-v3/connection-sigv4--java/datastax-v4/connection-sigv4 124 java/datastax-v3/connection-sigv4--java/datastax-v4/connection-vpc-endpoint 124 java/datastax-v3/connection-vpc-endpoint java/datastax-v3/connection-vpc-endpoint java/datastax-v3/connection-sigv4--java/datastax-v3/connection-vpc-endpoint 150 java/datastax-v3/connection-vpc-endpoint--java/datastax-v4/connection-sigv4 124 java/datastax-v3/connection-vpc-endpoint--java/datastax-v4/connection-vpc-endpoint 124

Download: SVG DOT (open online Graphviz editor)

Open 3D force graph...

Show more details on duplication between components...
Longest Duplicates
The list of 20 longest duplicates.
See data for all 56 duplicates...
Size#FoldersFilesLinesCode
32 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v3/connect...point/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
32 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
32 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
32 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
32 x 2 java/datastax-v4/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
32 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
license.txt.ftl
license.txt.ftl
1:36 (100%)
1:36 (100%)
view
30 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
30 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
30 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
30 x 2 java/datastax-v4/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
30 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v3/connect...point/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
30 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
header.txt.ftl
header.txt.ftl
1:32 (100%)
1:32 (100%)
view
27 x 2 nodejs/datastax-v4/ecs-sigv4/app/load-data
nodejs/datastax-v4/ecs-sigv4/app/query-api
load-data.js
query-api-server.js
77:113 (31%)
102:138 (25%)
view
19 x 2 java/datastax-v4/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
header.txt.ftl
license.txt.ftl
1:20 (63%)
1:20 (59%)
view
19 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
header.txt.ftl
license.txt.ftl
1:20 (63%)
1:20 (59%)
view
19 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
header.txt.ftl
license.txt.ftl
1:20 (63%)
1:20 (59%)
view
19 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...sigv4/src/license/mit_0
license.txt.ftl
header.txt.ftl
1:20 (59%)
1:20 (63%)
view
19 x 2 java/datastax-v3/connect...sigv4/src/license/mit_0
java/datastax-v3/connect...point/src/license/mit_0
header.txt.ftl
license.txt.ftl
1:20 (63%)
1:20 (59%)
view
19 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
header.txt.ftl
license.txt.ftl
1:20 (63%)
1:20 (59%)
view
19 x 2 java/datastax-v3/connect...point/src/license/mit_0
java/datastax-v4/connect...point/src/license/mit_0
license.txt.ftl
header.txt.ftl
1:20 (59%)
1:20 (63%)
view
Duplicated Units
The list of top 3 duplicated units.
See data for all 3 unit duplicates...
Size#FoldersFilesLinesCode
16 x 2 java/datastax-v3/connect...oftware/aws/mcs/example
java/datastax-v3/connect...oftware/aws/mcs/example
OrderFetcher.java
OrderFetcher.java
50:77 
73:100 
view
15 x 2 java/datastax-v4/connect...oftware/aws/mcs/example
java/datastax-v4/connect...oftware/aws/mcs/example
OrderFetcher.java
OrderFetcher.java
36:64 
36:64 
view
9 x 2 java/datastax-v4/connect...a/src/main/java/example
java/datastax-v4/connect...a/src/main/java/example
KeyspacesSigV4Session.java
KeyspacesSSCSession.java
82:91 
97:106 
view