if (_infos == null || _infos.length <= 0) {
return 0;
}
return _infos[arg0].isNullAllowed();
if (_infos == null || _infos.length <= 0) {
return null;
}
return _infos[arg0].getColumnName();
Clone fragments detected by clone detection tool
File path: /sql12/test/mockobjects/net/sourceforge/squirrel_sql/mo/sql/MockResultSetMetaData.java
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File path: /sql12/test/mockobjects/net/sourceforge/squirrel_sql/mo/sql/MockResultSetMetaData.java
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Method name: int isNullable(int)
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Method name: String getColumnName(int)
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Number of AST nodes: 3
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Number of AST nodes: 3
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1 | if (_infos == null || _infos.length <= 0) {↵ | | 1 | if (_infos == null || _infos.length <= 0) {↵
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2 | return 0;↵ | | 2 | return null;↵
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3 | }↵ | | 3 | }↵
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4 | return _infos[arg0].isNullAllowed(); | | 4 | return _infos[arg0].getColumnName();
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See real code fragment |
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See real code fragment |
Summary
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.2 |
Clones location | Clones are declared in the same class |
Number of node comparisons | 5 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 1 |
Number of unmapped statements in the first code fragment | 2 |
Number of unmapped statements in the second code fragment | 2 |
Time elapsed for statement mapping (ms) | 0.7 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | if (_infos == null || _infos.length <= 0) | | 1 | if (_infos == null || _infos.length <= 0) |
| | | 2 | |
2 | | | | |
| | | 3 | return _infos[arg0].getColumnName(); |
3 | return _infos[arg0].isNullAllowed(); | | | |
Precondition Violations (5)
Row |
Violation |
1 | Unmatched return null; |
2 | Unmatched return 0; |
3 | Unmatched return _infos[arg0].getColumnName(); |
4 | Unmatched return _infos[arg0].isNullAllowed(); |
5 | The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero |