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
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File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/gui/action/Copy.java
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Method name: Visualizer getVisualizer()
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Method name: JMeterTreeNode getCopiedNode()
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Number of AST nodes: 3
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Number of AST nodes: 3
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|
1 | if (listener == null){ // e.g. in non-GUI mode↵ | | 1 | if (copiedNode == null) {↵
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2 | return null;↵ | | 2 | return null;↵
|
3 | }↵ | | 3 | }↵
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4 | return (Visualizer)listener.get(); | | 4 | return cloneTreeNode(copiedNode);
|
See real code fragment |
|
See real code fragment |
Summary
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1 |
Clones location | Clones are in different classes |
Number of node comparisons | 5 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 2 |
Number of unmapped statements in the first code fragment | 1 |
Number of unmapped statements in the second code fragment | 1 |
Time elapsed for statement mapping (ms) | 0.6 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | if (listener == null) | | 1 | if (copiedNode == null) |
2 | | | 2 | |
| | | 3 | return cloneTreeNode(copiedNode); |
3 | return (Visualizer)listener.get(); | | | |
Precondition Violations (5)
Row |
Violation |
1 | Type java.lang.ref.WeakReference of variable listener does not match with type org.apache.jmeter.gui.tree.JMeterTreeNode of variable copiedNode |
2 | Unmatched return cloneTreeNode(copiedNode); |
3 | Unmatched return (Visualizer)listener.get(); |
4 | Not all possible execution flows end in a return statement |
5 | The refactoring of the clones is infeasible, because classes org.apache.jmeter.reporters.AbstractListenerElement and org.apache.jmeter.gui.action.Copy do not have a common superclass |