if (router == null) { router = new ActionRouter(); router.populateCommandMap(); } return router;
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/gui/action/ActionRouter.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/protocol/http/proxy/HttpRequestHdr.java
Method name: ActionRouter getInstance() Method name: HeaderManager getHeaderManager()
Number of AST nodes: 4 Number of AST nodes: 3
1
if (router == null) {
1
if(headerManager == null) {
2
			router = new ActionRouter();
2
			
3
			router.populateCommandMap();
3
headerManager = createHeaderManager();
4
		}
4
		}
5
		return router;
5
		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)0.1
Clones locationClones are in different classes
Number of node comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (router == null)
    1
    if (router == null)
    1
    if (headerManager == null)
    Differences
    Expression1Expression2Difference
    routerheaderManagerVARIABLE_NAME_MISMATCH
    org.apache.jmeter.gui.action.ActionRouterorg.apache.jmeter.protocol.http.control.HeaderManagerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.jmeter.gui.action.ActionRouter of variable router does not match with type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager
    • Make classes org.apache.jmeter.gui.action.ActionRouter and org.apache.jmeter.protocol.http.control.HeaderManager extend a common superclass
    1
    if (headerManager == null)
                                                                                  
    2
    headerManager = createHeaderManager();
    2
    router = new ActionRouter();
                                                              
    3
    router.populateCommandMap();
                                                                  
                                                    
    3
    return headerManager;
    Preondition Violations
    Unmatched return headerManager;
    3
    return headerManager;
    4
    return router;
    4
    return router;
    Preondition Violations
    Unmatched return router;
                                      
    Precondition Violations (3)
    Row Violation
    1Type org.apache.jmeter.gui.action.ActionRouter of variable router does not match with type org.apache.jmeter.protocol.http.control.HeaderManager of variable headerManager
    2Unmatched return headerManager;
    3Unmatched return router;