for (int item = 0; item < urlCount; item++) { String u1 = getURL(series, item); String u2 = generator.getURL(series, item); if (u1 != null) { if (!u1.equals(u2)) { return false; } } else { if (u2 != null) { return false; } } }
for (int item = 0; item < urlCount; item++) { String u1 = getURL(series, item); String u2 = that.getURL(series, item); if (u1 != null) { if (!u1.equals(u2)) { return false; } } else { if (u2 != null) { return false; } } }
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/urls/CustomCategoryURLGenerator.java File path: /jfreechart-1.0.10/src/org/jfree/chart/urls/CustomXYURLGenerator.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
for (int item = 0; item < urlCount; item++) {
1
for (int item = 0; item < urlCount; item++) {
2
                String u1 = getURL(series, item);
2
                String u1 = getURL(series, item);
3
                String u2 = generator.getURL(series, item);
3
                String u2 = that.getURL(series, item);
4
                if (u1 != null) {
4
                if (u1 != null) {
5
                    if (!u1.equals(u2)) {
5
                    if (!u1.equals(u2)) {
6
                        return false;
6
                        return false;
7
                    }
7
                    }
8
                }
8
                }
9
 else {
9
                else {
10
                    if (u2 != null) {
10
                    if (u2 != null) {
11
                        return false;
11
                        return false;
12
                    }
12
                    }
13
                }
13
                }
14
            }
14
            }
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)0.5
Clones locationClones are in different classes
Number of node comparisons22
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)3.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    13
    for (int item = 0; item < urlCount; item++)
    13
    for (int item = 0; item < urlCount; item++)
    14
    String u1 = getURL(series, item);
    14
    String u1 = getURL(series, item);
    15
    String u2 = generator.getURL(series, item);
    15
    String u2 = generator.getURL(series, item);
    15
    String u2 = that.getURL(series, item);
    Differences
    Expression1Expression2Difference
    generatorthatVARIABLE_NAME_MISMATCH
    org.jfree.chart.urls.CustomCategoryURLGeneratororg.jfree.chart.urls.CustomXYURLGeneratorSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression generator cannot be unified with expression that , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public java.lang.String getURL(int, int)
    15
    String u2 = that.getURL(series, item);
    16
    if (u1 != null)
    16
    if (u1 != null)
    17
    if (!u1.equals(u2))
    17
    if (!u1.equals(u2))
    18
    return false;
    18
    return false;
    else
    else
    19
    if (u2 != null)
    19
    if (u2 != null)
    20
    return false;
    20
    return false;
    Precondition Violations (2)
    Row Violation
    1Expression generator cannot be unified with expression that , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public java.lang.String getURL(int, int)
    2Not all possible execution flows end in a return statement