if (commandline == null) { commandline = new CommandlineJava(); } return commandline;
if (files == null) { files = getFileNames(this); } return files;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Tar.java
Method name: CommandlineJava getCommandline() Method name: String[] getFiles(Project)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (commandline == null) {
1
if (files == null) {
2
            commandline = new CommandlineJava();
2
                files = getFileNames(this);
3
        }
3
          
4
  }
4
        return commandline;
5
            return files;
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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (commandline == null)
    1
    if (commandline == null)
    1
    if (files == null)
    Differences
    Expression1Expression2Difference
    commandlinefilesVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.CommandlineJavajava.lang.String[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.CommandlineJava of variable commandline does not match with type java.lang.String[] of variable files
    • Make classes org.apache.tools.ant.types.CommandlineJava and java.lang.String[] extend a common superclass
    1
    if (files == null)
                                                            
    2
    files = getFileNames(this);
    2
    commandline = new CommandlineJava();
                                                                              
                                    
    3
    return files;
    Preondition Violations
    Unmatched return files;
    3
    return files;
    3
    return commandline;
    3
    return commandline;
    Preondition Violations
    Unmatched return commandline;
                                                
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.types.CommandlineJava of variable commandline does not match with type java.lang.String[] of variable files
    2Unmatched return files;
    3Unmatched return commandline;