if (bootclasspath == null) { bootclasspath = new Path(p); } return bootclasspath;
if (perm == null) { perm = new Permissions(); } return perm;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/CommandlineJava.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
Method name: Path createBootclasspath(Project) Method name: Permissions createPermissions()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (bootclasspath == null) {
1
if (perm == null) {
2
            bootclasspath = new Path(p);
2
            perm = new Permissions();
3
        }
3
        }
4
        return bootclasspath;
4
        return perm;
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 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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (bootclasspath == null)
    1
    if (bootclasspath == null)
    1
    if (perm == null)
    Differences
    Expression1Expression2Difference
    bootclasspathpermVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.Pathorg.apache.tools.ant.types.PermissionsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.Path of variable bootclasspath does not match with type org.apache.tools.ant.types.Permissions of variable perm
    • Make classes org.apache.tools.ant.types.Path and org.apache.tools.ant.types.Permissions extend a common superclass
    1
    if (perm == null)
                                                        
    2
    perm = new Permissions();
    2
    bootclasspath = new Path(p);
                                                              
                                  
    3
    return perm;
    Preondition Violations
    Unmatched return perm;
    3
    return perm;
    3
    return bootclasspath;
    3
    return bootclasspath;
    Preondition Violations
    Unmatched return bootclasspath;
                                                    
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.types.Path of variable bootclasspath does not match with type org.apache.tools.ant.types.Permissions of variable perm
    2Unmatched return perm;
    3Unmatched return bootclasspath;