awslabs / swage
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
  • 8% duplication:
    • 1,948 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 157 duplicated lines
  • 11 duplicates
system8% (157 lines)
Duplication per Extension
java8% (157 lines)
Duplication per Component (primary)
type-safe/src/benchmarks/java/software/amazon/swage/collection29% (66 lines)
metrics-core/src/main/java/software/amazon/swage/metrics/record6% (30 lines)
type-safe/src/main/java/software/amazon/swage/collection15% (25 lines)
thread-context/src/main/java/software/amazon/swage/threadcontext12% (18 lines)
disseminating-executors/src/main/java/software/amazon/swage/concurrent9% (18 lines)
metrics-core/src/main/java/software/amazon/swage/metrics0% (0 lines)
metrics-core/src/main/java/software/amazon/swage/metrics/jmx0% (0 lines)
metrics-core/src/main/java/software/amazon/swage/metrics/measures0% (0 lines)
metrics-core/src/benchmarks/java/com/amazon/metrics0% (0 lines)
metrics-api/src/main/java/software/amazon/swage/metrics0% (0 lines)
metrics-api/src/main/java/software/amazon/swage/metrics/record0% (0 lines)

Duplication Between Components (50+ lines)

G type-safe/src/benchmarks/java/software/amazon/swage/collection type-safe/src/benchmarks/java/software/amazon/swage/collection type-safe/src/main/java/software/amazon/swage/collection type-safe/src/main/java/software/amazon/swage/collection type-safe/src/benchmarks/java/software/amazon/swage/collection--type-safe/src/main/java/software/amazon/swage/collection 57

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Show more details on duplication between components...
Longest Duplicates
The list of 11 longest duplicates.
See data for all 11 duplicates...
Size#FoldersFilesLinesCode
18 x 2 disseminating-executors/...amazon/swage/concurrent
thread-context/src/main/...zon/swage/threadcontext
StateCapture.java
ContextAwareExecutorService.java
 312:341 (10%)
40:69 (39%)
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11 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/benchmarks...amazon/swage/collection
TypedMapBenchmarks.java
TypedMapBenchmarks.java
 90:107 (12%)
115:131 (12%)
 view
10 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/benchmarks...amazon/swage/collection
TypedMapBenchmarks.java
TypedMapBenchmarks.java
 90:104 (11%)
138:151 (11%)
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10 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/benchmarks...amazon/swage/collection
TypedMapBenchmarks.java
TypedMapBenchmarks.java
 115:128 (11%)
138:151 (11%)
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9 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/main/java/...amazon/swage/collection
GuavaTypedMap.java
ImmutableTypedMap.java
 70:82 (15%)
106:118 (14%)
 view
9 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/main/java/...amazon/swage/collection
GuavaTypedMap.java
ImmutableTypedMap.java
 53:64 (15%)
89:100 (14%)
 view
8 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/benchmarks...amazon/swage/collection
GuavaTypedMap.java
ListTypedMap.java
 85:95 (13%)
151:161 (10%)
 view
8 x 2 metrics-core/src/main/ja...trics/record/cloudwatch
metrics-core/src/main/ja...age/metrics/record/file
CloudWatchRecorder.java
FileRecorder.java
 380:389 (3%)
125:134 (8%)
 view
7 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/main/java/...amazon/swage/collection
ListTypedMap.java
ImmutableTypedMap.java
 151:158 (8%)
76:83 (11%)
 view
7 x 2 metrics-core/src/main/ja...trics/record/cloudwatch
metrics-core/src/main/ja...age/metrics/record/file
CloudWatchRecorder.java
FileRecorder.java
 391:401 (3%)
136:146 (7%)
 view
7 x 2 type-safe/src/benchmarks...amazon/swage/collection
type-safe/src/main/java/...amazon/swage/collection
GuavaTypedMap.java
ImmutableTypedMap.java
 85:92 (11%)
76:83 (11%)
 view
Duplicated Units
The list of top 1 duplicated units.
See data for all 1 unit duplicate
Size#FoldersFilesLinesCode
7 x 2 type-safe/src/main/java/...amazon/swage/collection
type-safe/src/benchmarks...amazon/swage/collection
ImmutableTypedMap.java
GuavaTypedMap.java
 112:119 
76:83 
 view