if (commandline == null) { commandline = new CommandlineJava(); } return commandline;
if (doclet == null) { doclet = new DocletInfo(); } return doclet;
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/Javadoc.java
Method name: CommandlineJava getCommandline() Method name: DocletInfo createDoclet()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (commandline == null) {
1
if (doclet == null) {
2
            commandline = new CommandlineJava();
2
            doclet = new DocletInfo();
3
        }
3
        }
4
        return commandline;
4
        return doclet;
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 (commandline == null)
    1
    if (commandline == null)
    1
    if (doclet == null)
    Differences
    Expression1Expression2Difference
    commandlinedocletVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.CommandlineJavaorg.apache.tools.ant.taskdefs.Javadoc.DocletInfoVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.CommandlineJava of variable commandline does not match with type org.apache.tools.ant.taskdefs.Javadoc.DocletInfo of variable doclet
    • Make classes org.apache.tools.ant.types.CommandlineJava and org.apache.tools.ant.taskdefs.Javadoc.DocletInfo extend a common superclass
    1
    if (doclet == null)
                                                          
    2
    doclet = new DocletInfo();
    2
    commandline = new CommandlineJava();
                                                                              
                                      
    3
    return doclet;
    Preondition Violations
    Unmatched return doclet;
    3
    return doclet;
    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 org.apache.tools.ant.taskdefs.Javadoc.DocletInfo of variable doclet
    2Unmatched return doclet;
    3Unmatched return commandline;