if (callee == null) { init(); } return callee.createProperty();
if (children == null) { children = new ArrayList(); } children.add(child);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/CallTarget.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/UnknownElement.java
Method name: Property createParam() Method name: void addChild(UnknownElement)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (callee == null) {
1
if (children == null) {
2
            init();
2
            
3
        }
4
        return callee.createProperty(
3
children = new ArrayList();
4
        }
5
);
5
        children.add(child);
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 (callee == null)
    1
    if (callee == null)
    1
    if (children == null)
    Differences
    Expression1Expression2Difference
    calleechildrenVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Antjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.Ant of variable callee does not match with type java.util.List of variable children
    • Make classes org.apache.tools.ant.taskdefs.Ant and java.util.List extend a common superclass
    1
    if (children == null)
                                                            
    2
    children = new ArrayList();
    2
    init();
                        
                                                  
    3
    children.add(child);
    3
    return callee.createProperty();
    3
    return callee.createProperty();
    Preondition Violations
    Unmatched return callee.createProperty();
                                                                        
    Precondition Violations (2)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.Ant of variable callee does not match with type java.util.List of variable children
    2Unmatched return callee.createProperty();