if (jrePackages == null) { buildJrePackages(); } return jrePackages;
if (callee == null) { init(); } callee.addConfiguredTarget(t); targetSet = true;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JavaEnvUtils.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/CallTarget.java
Method name: Vector getJrePackages() Method name: void addConfiguredTarget(Ant.TargetElement)
Number of AST nodes: 3 Number of AST nodes: 4
1
if (jrePackages == null) {
1
if (callee == null) {
2
            buildJrePackages();
2
            init();
3
        }
3
        }
4
        return jrePackages
4
        callee.addConfiguredTarget(t);
5
;
5
        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
Number of node comparisons6
  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 fragment2
    Time elapsed for statement mapping (ms)42.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (jrePackages == null)
    1
    if (jrePackages == null)
    1
    if (callee == null)
    Differences
    Expression1Expression2Difference
    jrePackagescalleeVARIABLE_NAME_MISMATCH
    java.util.Vectororg.apache.tools.ant.taskdefs.AntVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Vector of variable jrePackages does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    • Make classes java.util.Vector and org.apache.tools.ant.taskdefs.Ant extend a common superclass
    1
    if (callee == null)
    2
    buildJrePackages();
    2
    buildJrePackages();
    2
    init();
    Differences
    Expression1Expression2Difference
    buildJrePackagesinitMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression buildJrePackages() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method buildJrePackages
    Expression init() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression buildJrePackages() is a void method call, and thus it cannot be parameterized
    Expression init() is a void method call, and thus it cannot be parameterized
    2
    init();
                                                                      
    3
    callee.addConfiguredTarget(t);
    3
    return jrePackages;
                                                
                                        
    4
    targetSet = true;
    Precondition Violations (5)
    Row Violation
    1Type java.util.Vector of variable jrePackages does not match with type org.apache.tools.ant.taskdefs.Ant of variable callee
    2Expression buildJrePackages() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression init() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression buildJrePackages() is a void method call, and thus it cannot be parameterized
    5Expression init() is a void method call, and thus it cannot be parameterized