try { writeLock(); setFlag(UNDO_IN_PROGRESS,true); int caret = undoMgr.undo(); if(caret == -1) textArea.getToolkit().beep(); else textArea.setCaretPosition(caret); fireTransactionComplete(); } finally { setFlag(UNDO_IN_PROGRESS,false); writeUnlock(); }
try { writeLock(); setFlag(UNDO_IN_PROGRESS,true); int caret = undoMgr.redo(); if(caret == -1) textArea.getToolkit().beep(); else textArea.setCaretPosition(caret); fireTransactionComplete(); } finally { setFlag(UNDO_IN_PROGRESS,false); writeUnlock(); }
Clone fragments detected by clone detection tool
File path: /jEdit-4.2/src/org/gjt/sp/jedit/Buffer.java File path: /jEdit-4.2/src/org/gjt/sp/jedit/Buffer.java
Method name: void undo(JEditTextArea) Method name: void redo(JEditTextArea)
Number of AST nodes: 8 Number of AST nodes: 8
1
try
1
try
2
		{
2
		{
3
			writeLock();
3
			writeLock();
4
			setFlag(UNDO_IN_PROGRESS,true);
4
			setFlag(UNDO_IN_PROGRESS,true);
5
			int caret = undoMgr.undo();
5
			int caret = undoMgr.redo();
6
			if(caret == -1)
6
			if(caret == -1)
7
				textArea.getToolkit().beep();
7
				textArea.getToolkit().beep();
8
			else
8
			else
9
				textArea.setCaretPosition(caret);
9
				textArea.setCaretPosition(caret);
10
			fireTransactionComplete();
10
			fireTransactionComplete();
11
		}
11
		}
12
		finally
12
		finally
13
		{
13
		{
14
			setFlag(UNDO_IN_PROGRESS,false);
14
			setFlag(UNDO_IN_PROGRESS,false);
15
			writeUnlock();
15
			writeUnlock();
16
		}
16
		}
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.4
Clones locationClones are declared in the same class
Number of node comparisons34
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    6
    try
    6
    try
    7
    writeLock();
    7
    writeLock();
    8
    setFlag(UNDO_IN_PROGRESS, true);
    8
    setFlag(UNDO_IN_PROGRESS, true);
    9
    int caret = undoMgr.undo();
    9
    int caret = undoMgr.undo();
    9
    int caret = undoMgr.redo();
    Differences
    Expression1Expression2Difference
    undoredoMETHOD_INVOCATION_NAME_MISMATCH
    9
    int caret = undoMgr.redo();
    10
    if (caret == -1)
    10
    if (caret == -1)
    11
    textArea.getToolkit().beep();
    11
    textArea.getToolkit().beep();
    else
    else
    12
    textArea.setCaretPosition(caret);
    12
    textArea.setCaretPosition(caret);
    13
    fireTransactionComplete();
    13
    fireTransactionComplete();
    Precondition Violations (0)
    Row Violation