if (router == null) { router = new ActionRouter(); router.populateCommandMap(); } return router;
if (localHostName == null) { getLocalHostDetails(); } return localHostName;
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/util/JMeterUtils.java
Method name: ActionRouter getInstance() Method name: String getLocalHostName()
Number of AST nodes: 4 Number of AST nodes: 3
1
if (router == null) {
1
if (localHostName == null) {
2
			router = new ActionRouter();
2
			
3
			router.populateCommandMap();
3
getLocalHostDetails();
4
		}
4
		}
5
		return router;
5
		return localHostName;
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 statements2
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)3.3
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (router == null)
    1
    if (router == null)
    1
    if (localHostName == null)
    Differences
    Expression1Expression2Difference
    routerlocalHostNameVARIABLE_NAME_MISMATCH
    org.apache.jmeter.gui.action.ActionRouterjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.jmeter.gui.action.ActionRouter of variable router does not match with type java.lang.String of variable localHostName
    • Make classes org.apache.jmeter.gui.action.ActionRouter and java.lang.String extend a common superclass
    1
    if (localHostName == null)
    2
    router = new ActionRouter();
    2
    router = new ActionRouter();
    Preondition Violations
    Unmatched statement router=new ActionRouter(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                              
    3
    router.populateCommandMap();
    3
    router.populateCommandMap();
    2
    getLocalHostDetails();
    Differences
    Expression1Expression2Difference
    populateCommandMapgetLocalHostDetailsMETHOD_INVOCATION_NAME_MISMATCH
    routerMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression getLocalHostDetails() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method getLocalHostDetails
    Expression router.populateCommandMap() is a void method call, and thus it cannot be parameterized
    Expression getLocalHostDetails() is a void method call, and thus it cannot be parameterized
    Expression getLocalHostDetails() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method getLocalHostDetails
    Expression router.populateCommandMap() is a void method call, and thus it cannot be parameterized
    Expression getLocalHostDetails() is a void method call, and thus it cannot be parameterized
    2
    getLocalHostDetails();
                                                    
    3
    return localHostName;
    4
    return router;
    4
    return router;
    Preondition Violations
    Unmatched return router;
                                      
    Precondition Violations (9)
    Row Violation
    1Type org.apache.jmeter.gui.action.ActionRouter of variable router does not match with type java.lang.String of variable localHostName
    2Unmatched statement router=new ActionRouter(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression getLocalHostDetails() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression router.populateCommandMap() is a void method call, and thus it cannot be parameterized
    5Expression getLocalHostDetails() is a void method call, and thus it cannot be parameterized
    6Expression getLocalHostDetails() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression router.populateCommandMap() is a void method call, and thus it cannot be parameterized
    8Expression getLocalHostDetails() is a void method call, and thus it cannot be parameterized
    9Unmatched return router;