if (xpath == null) { xpath = new JTextField(50); } return xpath;
if(headerManager == null) { headerManager = createHeaderManager(); } return headerManager;
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/assertions/gui/XPathPanel.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/protocol/http/proxy/HttpRequestHdr.java
Method name: JTextField getXPathTextField() Method name: HeaderManager getHeaderManager()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (xpath == null) {
1
if(headerManager == null) {
2
			xpath = new JTextField(50);
2
			headerManager = createHeaderManager();
3
		}
3
		}
4
		return xpath;
4
		return headerManager;
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)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (xpath == null)
    1
    if (xpath == null)
    1
    if (headerManager == null)
    Differences
    Expression1Expression2Difference
    xpathheaderManagerVARIABLE_NAME_MISMATCH
    javax.swing.JTextFieldorg.apache.jmeter.protocol.http.control.HeaderManagerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.swing.JTextField of variable xpath does not match with type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager
    • Make classes javax.swing.JTextField and org.apache.jmeter.protocol.http.control.HeaderManager extend a common superclass
    1
    if (headerManager == null)
                                                                                  
    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
    2
    headerManager = createHeaderManager();
    2
    xpath = new JTextField(50);
    2
    xpath = new JTextField(50);
    Preondition Violations
    Unmatched statement xpath=new JTextField(50); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                            
                                                    
    3
    return headerManager;
    Preondition Violations
    Unmatched return headerManager;
    3
    return headerManager;
    3
    return xpath;
    3
    return xpath;
    Preondition Violations
    Unmatched return xpath;
                                    
    Precondition Violations (6)
    Row Violation
    1Type javax.swing.JTextField of variable xpath does not match with type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager
    2Unmatched statement headerManager=createHeaderManager(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement xpath=new JTextField(50); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return headerManager;
    5Unmatched return xpath;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero