if (this.extdirs == null) { this.extdirs = extdirs; } else { this.extdirs.append(extdirs); }
if (this.bootclasspath == null) { this.bootclasspath = bootclasspath; } else { this.bootclasspath.append(bootclasspath); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Javac.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Javac.java
Method name: void setExtdirs(Path) Method name: void setBootclasspath(Path)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (this.extdirs == null) {
1
if (this.bootclasspath == null) {
2
            this.extdirs = extdirs;
2
            this.bootclasspath = bootclasspath;
3
        } else {
3
        } else {
4
            this.extdirs.append(extdirs);
4
            this.bootclasspath.append(bootclasspath);
5
        }
5
        }
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)0.2
Clones locationClones are declared in the same class
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (this.extdirs == null)
    1
    if (this.extdirs == null)
    1
    if (this.bootclasspath == null)
    Differences
    Expression1Expression2Difference
    extdirsbootclasspathVARIABLE_NAME_MISMATCH
    1
    if (this.bootclasspath == null)
    2
    this.extdirs = extdirs;
    2
    this.extdirs = extdirs;
    2
    this.bootclasspath = bootclasspath;
    Differences
    Expression1Expression2Difference
    extdirsbootclasspathVARIABLE_NAME_MISMATCH
    extdirsbootclasspathVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression this.extdirs is a field being modified, and thus it cannot be parameterized
    Expression this.bootclasspath is a field being modified, and thus it cannot be parameterized
    2
    this.bootclasspath = bootclasspath;
    else
    else
    3
    this.extdirs.append(extdirs);
    3
    this.extdirs.append(extdirs);
    3
    this.bootclasspath.append(bootclasspath);
    Differences
    Expression1Expression2Difference
    extdirsbootclasspathVARIABLE_NAME_MISMATCH
    extdirsbootclasspathVARIABLE_NAME_MISMATCH
    3
    this.bootclasspath.append(bootclasspath);
    Precondition Violations (2)
    Row Violation
    1Expression this.extdirs is a field being modified, and thus it cannot be parameterized
    2Expression this.bootclasspath is a field being modified, and thus it cannot be parameterized