158-147-166

try { new ClassParser("force"); } catch (IOException e) { // ignore }
if (slowScanning) { while (slowScanning) { try { slowScanLock.wait(); } catch (InterruptedException e) { // Empty } } return; }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java
Method name: `void AncestorAnalyzer()` |  | Method name: `void slowScan()`
Number of AST nodes: 2 |  | Number of AST nodes: 5

1

    try {↵

2

                new ClassParser("force");↵

3

            } catch (IOException e) {↵

4

                // ignore↵

1

    if (slowScanning) {↵

2

                    while (slowScanning) {↵

3

                        try {↵

4

                            slowScanLock.wait();↵

5

                        } catch (InterruptedException e) {↵

6

                            // Empty↵

7

                        }↵

8

                    }↵

9

                    return;↵

5

            }

10

                }

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 | 4

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   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) | 0.3
   Clone type | Type 2

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       try

   1 | try
   6 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.io.IOException | java.lang.InterruptedException | SUBCLASS_TYPE_MISMATCH
   java.io.IOException | java.lang.InterruptedException | SUBCLASS_TYPE_MISMATCH

   6

       try

   2

       new ClassParser("force");

   7 | slowScanLock.wait();

   Preondition Violations
   Unmatched statement slowScanLock.wait(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted

   7

       slowScanLock.wait();

   Precondition Violations (1)
   Row | Violation
   --- | ---
   1 | Unmatched statement slowScanLock.wait(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted