if (value == null) { throw new BuildException("Nothing to test for truth"); } return value.booleanValue();
if (callee == null) { init(); } callee.setTarget(target); targetSet = true;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/condition/IsTrue.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/CallTarget.java
Method name: boolean eval() Method name: void setTarget(String)
Number of AST nodes: 3 Number of AST nodes: 4
1
if (value == null) {
1
if (callee == null) {
2
            throw new BuildException("Nothing to test for truth");
2
            
3
        }
4
        return value.booleanValue()
3
init();
4
        }
5
        callee.setTarget(target);
5
;
6
        targetSet = true;
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 comparisons6
  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 fragment3
    Time elapsed for statement mapping (ms)0.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (value == null)
    1
    if (value == null)
    1
    if (callee == null)
    Differences
    Expression1Expression2Difference
    valuecalleeVARIABLE_NAME_MISMATCH
    java.lang.Booleanorg.apache.tools.ant.taskdefs.AntVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Boolean of variable value does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    • Make classes java.lang.Boolean and org.apache.tools.ant.taskdefs.Ant extend a common superclass
    1
    if (callee == null)
                        
    2
    init();
    2
    throw new BuildException("Nothing to test for truth");
    2
    throw new BuildException("Nothing to test for truth");
    Preondition Violations
    Unmatched throw new BuildException("Nothing to test for truth");
                                                                                                                      
                                                            
    3
    callee.setTarget(target);
    3
    return value.booleanValue();
    3
    return value.booleanValue();
    Preondition Violations
    Unmatched return value.booleanValue();
                                                                  
                                        
    4
    targetSet = true;
    Precondition Violations (3)
    Row Violation
    1Type java.lang.Boolean of variable value does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    2Unmatched throw new BuildException("Nothing to test for truth");
    3Unmatched return value.booleanValue();