if (listener == null){ // e.g. in non-GUI mode return null; } return (Visualizer)listener.get();
if (copiedNode == null) { return null; } return cloneTreeNode(copiedNode);
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/reporters/AbstractListenerElement.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/report/gui/action/ReportCopy.java
Method name: Visualizer getVisualizer() Method name: ReportTreeNode getCopiedNode()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (listener == null){ // e.g. in non-GUI mode
1
if (copiedNode == null) {
2
			return null;
2
			return null;
3
		}
3
		}
4
		return (Visualizer)listener.get();
4
		return cloneTreeNode(copiedNode);
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (listener == null)
    1
    if (listener == null)
    1
    if (copiedNode == null)
    Differences
    Expression1Expression2Difference
    listenercopiedNodeVARIABLE_NAME_MISMATCH
    java.lang.ref.WeakReferenceorg.apache.jmeter.report.gui.tree.ReportTreeNodeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.ref.WeakReference of variable listener does not match with type org.apache.jmeter.report.gui.tree.ReportTreeNode of variable copiedNode
    • Make classes java.lang.ref.WeakReference and org.apache.jmeter.report.gui.tree.ReportTreeNode extend a common superclass
    1
    if (copiedNode == null)
    2
    return null;
    2
    return null;
                                                                            
    3
    return cloneTreeNode(copiedNode);
    Preondition Violations
    Unmatched return cloneTreeNode(copiedNode);
    3
    return cloneTreeNode(copiedNode);
    3
    return (Visualizer)listener.get();
    3
    return (Visualizer)listener.get();
    Preondition Violations
    Unmatched return (Visualizer)listener.get();
                                                                              
    Precondition Violations (5)
    Row Violation
    1Type java.lang.ref.WeakReference of variable listener does not match with type org.apache.jmeter.report.gui.tree.ReportTreeNode of variable copiedNode
    2Unmatched return cloneTreeNode(copiedNode);
    3Unmatched return (Visualizer)listener.get();
    4Not all possible execution flows end in a return statement
    5The refactoring of the clones is infeasible, because classes org.apache.jmeter.reporters.AbstractListenerElement and org.apache.jmeter.report.gui.action.ReportCopy do not have a common superclass