if (value == null) { throw new BuildException("Nothing to test for truth"); } return value.booleanValue();
if (dirsIncluded == null) { throw new IllegalStateException("Must call scan() first"); } return dirsIncluded.size();
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/DirectoryScanner.java
Method name: boolean eval() Method name: int getIncludedDirsCount()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (value == null) {
1
if (dirsIncluded == null) {
2
            throw new BuildException("Nothing to test for truth");
2
            throw new IllegalStateException("Must call scan() first");
3
        }
3
        }
4
        return value.booleanValue();
4
        return dirsIncluded.size();
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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (value == null)
    1
    if (value == null)
    1
    if (dirsIncluded == null)
    Differences
    Expression1Expression2Difference
    valuedirsIncludedVARIABLE_NAME_MISMATCH
    java.lang.Booleanjava.util.VectorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Boolean of variable value does not match with type java.util.Vector of variable dirsIncluded
    • Make classes java.lang.Boolean and java.util.Vector extend a common superclass
    1
    if (dirsIncluded == null)
    2
    throw new BuildException("Nothing to test for truth");
    2
    throw new BuildException("Nothing to test for truth");
    2
    throw new IllegalStateException("Must call scan() first");
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.BuildExceptionjava.lang.IllegalStateExceptionSUBCLASS_TYPE_MISMATCH
    "Nothing to test for truth""Must call scan() first"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalStateException("Must call scan() first");
                                                                
    3
    return dirsIncluded.size();
    Preondition Violations
    Unmatched return dirsIncluded.size();
    3
    return dirsIncluded.size();
    3
    return value.booleanValue();
    3
    return value.booleanValue();
    Preondition Violations
    Unmatched return value.booleanValue();
                                                                  
    Precondition Violations (3)
    Row Violation
    1Type java.lang.Boolean of variable value does not match with type java.util.Vector of variable dirsIncluded
    2Unmatched return dirsIncluded.size();
    3Unmatched return value.booleanValue();