if(headerManager == null) { headerManager = createHeaderManager(); } return headerManager;
if (localHostFullName == null) { getLocalHostDetails(); } return localHostFullName;
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/protocol/http/proxy/HttpRequestHdr.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/util/JMeterUtils.java
Method name: HeaderManager getHeaderManager() Method name: String getLocalHostFullName()
Number of AST nodes: 3 Number of AST nodes: 3
1
if(headerManager == null) {
1
if
2
			headerManager = createHeaderManager
2
 (localHostFullName == null) {
3
();
3
			getLocalHostDetails();
4
		}
4
		}
5
		return headerManager;
5
		return localHostFullName;
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)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (headerManager == null)
    1
    if (headerManager == null)
    1
    if (localHostFullName == null)
    Differences
    Expression1Expression2Difference
    headerManagerlocalHostFullNameVARIABLE_NAME_MISMATCH
    org.apache.jmeter.protocol.http.control.HeaderManagerjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager does not match with type java.lang.String of variable localHostFullName
    • Make classes org.apache.jmeter.protocol.http.control.HeaderManager and java.lang.String extend a common superclass
    1
    if (localHostFullName == null)
                                                      
    2
    getLocalHostDetails();
    Preondition Violations
    Unmatched statement getLocalHostDetails(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    getLocalHostDetails();
    2
    headerManager = createHeaderManager();
    2
    headerManager = createHeaderManager();
    Preondition Violations
    Unmatched statement headerManager=createHeaderManager(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                  
                                                            
    3
    return localHostFullName;
    Preondition Violations
    Unmatched return localHostFullName;
    3
    return localHostFullName;
    3
    return headerManager;
    3
    return headerManager;
    Preondition Violations
    Unmatched return headerManager;
                                                    
    Precondition Violations (6)
    Row Violation
    1Type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager does not match with type java.lang.String of variable localHostFullName
    2Unmatched statement getLocalHostDetails(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement headerManager=createHeaderManager(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return localHostFullName;
    5Unmatched return headerManager;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero