if (selectedNode == null){ restoreSelected(); } return selectedNode;
synchronized(LoggingManager.class){ if (logManager == null) { logManager = new LoggingManager(); } }
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/control/ModuleController.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jorphan/logging/LoggingManager.java
Method name: JMeterTreeNode getSelectedNode() Method name: void initializeLogging(Properties)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (selectedNode
1
synchronized(LoggingManager.class){
2
 == null){
2
    		if (logManager == null) {
3
		    restoreSelected();
3
    			logManager = new LoggingManager();
4
		}
4
    		}
5
		return selectedNode;
5
	    }
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 comparisons4
  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 fragment1
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (selectedNode == null)
    1
    if (selectedNode == null)
    2
    if (logManager == null)
    Differences
    Expression1Expression2Difference
    selectedNodelogManagerVARIABLE_NAME_MISMATCH
    org.apache.jmeter.gui.tree.JMeterTreeNodeorg.apache.jorphan.logging.LoggingManagerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.jmeter.gui.tree.JMeterTreeNode of variable selectedNode does not match with type org.apache.jorphan.logging.LoggingManager of variable logManager
    • Make classes org.apache.jmeter.gui.tree.JMeterTreeNode and org.apache.jorphan.logging.LoggingManager extend a common superclass
    2
    if (logManager == null)
    2
    restoreSelected();
    2
    restoreSelected();
    Preondition Violations
    Unmatched statement restoreSelected(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                              
                                                                          
    3
    logManager = new LoggingManager();
    Preondition Violations
    Unmatched statement logManager=new LoggingManager(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    logManager = new LoggingManager();
    3
    return selectedNode;
    3
    return selectedNode;
    Preondition Violations
    Unmatched return selectedNode;
                                                  
    Precondition Violations (5)
    Row Violation
    1Type org.apache.jmeter.gui.tree.JMeterTreeNode of variable selectedNode does not match with type org.apache.jorphan.logging.LoggingManager of variable logManager
    2Unmatched statement restoreSelected(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement logManager=new LoggingManager(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return selectedNode;
    5The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero