if (readBuffer == null) { readBuffer = new byte[8192]; } return readBuffer;
if (selectedNode == null){ restoreSelected(); } return selectedNode;
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/threads/JMeterContext.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/control/ModuleController.java
Method name: byte[] getReadBuffer() Method name: JMeterTreeNode getSelectedNode()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (readBuffer == null) {
1
if (selectedNode == null){
2
			readBuffer = new byte[8192];
2
		    restoreSelected();
3
		}
3
		}
4
		return readBuffer;
4
		return selectedNode;
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)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (readBuffer == null)
    1
    if (readBuffer == null)
    1
    if (selectedNode == null)
    Differences
    Expression1Expression2Difference
    readBufferselectedNodeVARIABLE_NAME_MISMATCH
    byte[]org.apache.jmeter.gui.tree.JMeterTreeNodeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte[] of variable readBuffer does not match with type org.apache.jmeter.gui.tree.JMeterTreeNode of variable selectedNode
    • Make classes byte[] and org.apache.jmeter.gui.tree.JMeterTreeNode extend a common superclass
    1
    if (selectedNode == null)
                                              
    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
    2
    restoreSelected();
    2
    readBuffer = new byte[8192];
    2
    readBuffer = new byte[8192];
    Preondition Violations
    Unmatched statement readBuffer=new byte[8192]; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                              
                                                  
    3
    return selectedNode;
    Preondition Violations
    Unmatched return selectedNode;
    3
    return selectedNode;
    3
    return readBuffer;
    3
    return readBuffer;
    Preondition Violations
    Unmatched return readBuffer;
                                              
    Precondition Violations (6)
    Row Violation
    1Type byte[] of variable readBuffer does not match with type org.apache.jmeter.gui.tree.JMeterTreeNode of variable selectedNode
    2Unmatched statement restoreSelected(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement readBuffer=new byte[8192]; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return selectedNode;
    5Unmatched return readBuffer;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero