for( Iterator i = cleanUpList.iterator(); i.hasNext(); ) { File file = (File) i.next(); file.delete(); }
for (Iterator i = nestedTasks.iterator(); i.hasNext();) { Task nestedTask = (Task) i.next(); nestedTask.perform(); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/taskdefs/optional/ssh/ScpTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Sequential.java
Method name: void tearDown() Method name: void execute()
Number of AST nodes: 3 Number of AST nodes: 3
1
for( Iterator i = cleanUpList.iterator(); i.hasNext(); ) {
1
for (Iterator i = nestedTasks.iterator(); i.hasNext();) {
2
            File file = (File) i.next();
2
            Task nestedTask = (Task) i.next();
3
            file.delete();
3
            nestedTask.perform();
4
        }
4
        }
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)0.3
Clones locationClones are in different classes
Number of node comparisons9
  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)2.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    for (Iterator i = cleanUpList.iterator(); i.hasNext(); )
    1
    for (Iterator i = cleanUpList.iterator(); i.hasNext(); )
    1
    for (Iterator i = nestedTasks.iterator(); i.hasNext(); )
    Differences
    Expression1Expression2Difference
    cleanUpListnestedTasksVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable cleanUpList does not match with type java.util.Vector of variable nestedTasks
    • Make classes java.util.List and java.util.Vector extend a common superclass
    1
    for (Iterator i = nestedTasks.iterator(); i.hasNext(); )
                                                                        
    2
    Task nestedTask = (Task)i.next();
    Preondition Violations
    Unmatched statement Task nestedTask=(Task)i.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    Task nestedTask = (Task)i.next();
    2
    File file = (File)i.next();
    2
    File file = (File)i.next();
    Preondition Violations
    Unmatched statement File file=(File)i.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                            
                                                    
    3
    nestedTask.perform();
    Preondition Violations
    Unmatched statement nestedTask.perform(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    nestedTask.perform();
    3
    file.delete();
    3
    file.delete();
    Preondition Violations
    Unmatched statement file.delete(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                      
    Precondition Violations (5)
    Row Violation
    1Type java.util.List of variable cleanUpList does not match with type java.util.Vector of variable nestedTasks
    2Unmatched statement Task nestedTask=(Task)i.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement File file=(File)i.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement nestedTask.perform(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement file.delete(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted