if (files == null) { files = getFileNames(this); } return files;
if (callee == null) { init(); } callee.addReference(r);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Tar.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/CallTarget.java
Method name: String[] getFiles(Project) Method name: void addReference(Ant.Reference)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (files == null) {
1
if (callee == null) {
2
                files = getFileNames(this);
2
            init();
3
            }
3
        
4
}
4
            return files;
5
        callee.addReference(r);
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)0.1
Clones locationClones are in different classes having the same super class
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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (files == null)
    1
    if (files == null)
    1
    if (callee == null)
    Differences
    Expression1Expression2Difference
    filescalleeVARIABLE_NAME_MISMATCH
    java.lang.String[]org.apache.tools.ant.taskdefs.AntVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    • Make classes java.lang.String[] and org.apache.tools.ant.taskdefs.Ant extend a common superclass
    1
    if (callee == null)
                        
    2
    init();
    2
    files = getFileNames(this);
                                                            
                                                        
    3
    callee.addReference(r);
    3
    return files;
    3
    return files;
    Preondition Violations
    Unmatched return files;
                                    
    Precondition Violations (2)
    Row Violation
    1Type java.lang.String[] of variable files does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    2Unmatched return files;