if (files == null) { files = new HashSet(); } files.add(filename);
if (format == null) { format = new PatternFormatter(DEFAULT_PATTERN + "\n"); //$NON_NLS-1$ } return format;
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/samplers/SampleResult.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jorphan/logging/LoggingManager.java
Method name: void setMarked(String) Method name: PatternFormatter getFormat()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (files == null) {
1
if (format == null) {
2
			files = new HashSet();
2
			format = new 
3
		}
4
		files.add(filename)
3
PatternFormatter(DEFAULT_PATTERN + "\n"); //$NON_NLS-1$
4
		}
5
;
5
		return format;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (files == null)
    1
    if (files == null)
    1
    if (format == null)
    Differences
    Expression1Expression2Difference
    filesformatVARIABLE_NAME_MISMATCH
    java.util.Setorg.apache.log.format.PatternFormatterVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Set of variable files does not match with type org.apache.log.format.PatternFormatter of variable format
    • Make classes java.util.Set and org.apache.log.format.PatternFormatter extend a common superclass
    1
    if (format == null)
                                                                                                                  
    2
    format = new PatternFormatter(DEFAULT_PATTERN + "\n");
    Preondition Violations
    Unmatched statement format=new PatternFormatter(DEFAULT_PATTERN + "\n"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    format = new PatternFormatter(DEFAULT_PATTERN + "\n");
    2
    files = new HashSet();
    2
    files = new HashSet();
    Preondition Violations
    Unmatched statement files=new HashSet(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                  
                                      
    3
    return format;
    Preondition Violations
    Unmatched return format;
    3
    return format;
    3
    files.add(filename);
    3
    files.add(filename);
    Preondition Violations
    Unmatched statement files.add(filename); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                  
    Precondition Violations (6)
    Row Violation
    1Type java.util.Set of variable files does not match with type org.apache.log.format.PatternFormatter of variable format
    2Unmatched statement format=new PatternFormatter(DEFAULT_PATTERN + "\n"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement files=new HashSet(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return format;
    5Unmatched statement files.add(filename); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero