if (newProject == null) { reinit(); } return newProject;
if (jrePackages == null) { buildJrePackages(); } return jrePackages;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Ant.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JavaEnvUtils.java
Method name: Project getNewProject() Method name: Vector getJrePackages()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (newProject == null) {
1
if (jrePackages == null) {
2
            reinit();
2
            buildJrePackages();
3
        }
3
        }
4
        return newProject;
4
        return jrePackages;
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)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (newProject == null)
    1
    if (newProject == null)
    1
    if (jrePackages == null)
    Differences
    Expression1Expression2Difference
    newProjectjrePackagesVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.Projectjava.util.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.Project of variable newProject does not match with type java.util.Vector of variable jrePackages
    • Make classes org.apache.tools.ant.Project and java.util.Vector extend a common superclass
    1
    if (jrePackages == null)
    2
    reinit();
    2
    reinit();
    2
    buildJrePackages();
    Differences
    Expression1Expression2Difference
    reinitbuildJrePackagesMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression reinit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method reinit
    Expression buildJrePackages() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method buildJrePackages
    Expression reinit() is a void method call, and thus it cannot be parameterized
    Expression buildJrePackages() is a void method call, and thus it cannot be parameterized
    2
    buildJrePackages();
                                                
    3
    return jrePackages;
    3
    return newProject;
                                              
    Precondition Violations (5)
    Row Violation
    1Type org.apache.tools.ant.Project of variable newProject does not match with type java.util.Vector of variable jrePackages
    2Expression reinit() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression buildJrePackages() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression reinit() is a void method call, and thus it cannot be parameterized
    5Expression buildJrePackages() is a void method call, and thus it cannot be parameterized