if (r.children != null) { List newChildren = new ArrayList(); newChildren.addAll(r.children); if (children != null) { newChildren.addAll(children); } children = newChildren; }
if (u.children != null) { List newChildren = new ArrayList(); newChildren.addAll(u.children); if (children != null) { newChildren.addAll(children); } children = newChildren; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/RuntimeConfigurable.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/UnknownElement.java
Method name: void applyPreSet(RuntimeConfigurable) Method name: void applyPreSet(UnknownElement)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (r.children != null) {
1
if (u.children != null) {
2
            List newChildren = new ArrayList();
2
            List newChildren = new ArrayList();
3
            newChildren.addAll(r.children);
3
            newChildren.addAll(u.children);
4
            if (children != null) {
4
            if (children != null) {
5
                newChildren.addAll(children);
5
                newChildren.addAll(children);
6
            }
6
            }
7
            children = newChildren;
7
            children = newChildren;
8
        }
8
        }
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 in different classes
Number of node comparisons20
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    7
    if (r.children != null)
    7
    if (r.children != null)
    4
    if (u.children != null)
    Differences
    Expression1Expression2Difference
    ruVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.RuntimeConfigurableorg.apache.tools.ant.UnknownElementVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.RuntimeConfigurable of variable r does not match with type org.apache.tools.ant.UnknownElement of variable u
    • Make classes org.apache.tools.ant.RuntimeConfigurable and org.apache.tools.ant.UnknownElement extend a common superclass
    4
    if (u.children != null)
    8
    List newChildren = new ArrayList();
    5
    List newChildren = new ArrayList();
    9
    newChildren.addAll(r.children);
    9
    newChildren.addAll(r.children);
    6
    newChildren.addAll(u.children);
    Differences
    Expression1Expression2Difference
    ruVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.RuntimeConfigurableorg.apache.tools.ant.UnknownElementVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.RuntimeConfigurable of variable r does not match with type org.apache.tools.ant.UnknownElement of variable u
    • Make classes org.apache.tools.ant.RuntimeConfigurable and org.apache.tools.ant.UnknownElement extend a common superclass
    6
    newChildren.addAll(u.children);
    10
    if (children != null)
    7
    if (children != null)
    11
    newChildren.addAll(children);
    8
    newChildren.addAll(children);
    12
    children = newChildren;
    9
    children = newChildren;
    Precondition Violations (2)
    Row Violation
    1Type org.apache.tools.ant.RuntimeConfigurable of variable r does not match with type org.apache.tools.ant.UnknownElement of variable u
    2Type org.apache.tools.ant.RuntimeConfigurable of variable r does not match with type org.apache.tools.ant.UnknownElement of variable u