if (expression == null) { throw new BuildException("Expression attribute is missing."); } return expression;
if (description == null) { description = Description.getDescription(this); } return description;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/XSLTProcess.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/Project.java
Method name: String getExpression() Method name: String getDescription()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (expression == null) {
1
if (description == null) {
2
                throw new BuildException("Expression attribute is missing.");
2
            description = Description.getDescription(this);
3
            }
3
        
4
   
4
}
5
         return expression;
5
        return description;
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
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (expression == null)
    1
    if (expression == null)
    1
    if (description == null)
    Differences
    Expression1Expression2Difference
    expressiondescriptionVARIABLE_NAME_MISMATCH
    1
    if (description == null)
                                                                                                    
    2
    description = Description.getDescription(this);
    Preondition Violations
    Unmatched statement description=Description.getDescription(this); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    description = Description.getDescription(this);
    2
    throw new BuildException("Expression attribute is missing.");
    2
    throw new BuildException("Expression attribute is missing.");
    Preondition Violations
    Unmatched throw new BuildException("Expression attribute is missing.");
                                                                                                                                    
    3
    return expression;
    3
    return expression;
    3
    return description;
    Differences
    Expression1Expression2Difference
    expressiondescriptionVARIABLE_NAME_MISMATCH
    3
    return description;
    Precondition Violations (2)
    Row Violation
    1Unmatched statement description=Description.getDescription(this); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched throw new BuildException("Expression attribute is missing.");