if (obj == this) { return true; } if (!(obj instanceof Second)) { return false; } Second that = (Second) obj; if (this.second != that.second) { return false; } if (this.minute != that.minute) { return false; } if (this.hour != that.hour) { return false; } if (!this.day.equals(that.day)) { return false; } return true;
if (obj == this) { return true; } if (!(obj instanceof OHLC)) { return false; } OHLC that = (OHLC) obj; if (this.open != that.open) { return false; } if (this.close != that.close) { return false; } if (this.high != that.high) { return false; } if (this.low != that.low) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/time/Second.java File path: /jfreechart-1.0.10/src/org/jfree/data/time/ohlc/OHLC.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 14 Number of AST nodes: 14
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof Second)) {
4
        if (!(obj instanceof OHLC)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        Second that = (Second) obj;
7
        OHLC that = (OHLC) obj;
8
        if (this.second != that.second) {
8
        if (this.open != that.open) {
9
            return false;
9
            return false;
10
        }
10
        }
11
        if (this.minute != that.minute) {
11
        if (this.close != that.close) {
12
            return false;
12
            return false;
13
        }
13
        }
14
        if (this.hour != that.hour) {
14
        if (this.high != that.high) {
15
            return false;
15
            return false;
16
        }
16
        }
17
        if (!this.day.equals(that.day)) {
17
        if (this.low != that.low) {
18
            return false;
18
            return false;
19
        }
19
        }
20
        return true;
20
        return true;
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)2.4
Clones locationClones are in different classes
Number of node comparisons61
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof Second))
    3
    if (!(obj instanceof Second))
    3
    if (!(obj instanceof OHLC))
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Secondorg.jfree.data.time.ohlc.OHLCVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.time.Second does not match with type org.jfree.data.time.ohlc.OHLC
    • Make classes org.jfree.data.time.Second and org.jfree.data.time.ohlc.OHLC extend a common superclass
    3
    if (!(obj instanceof OHLC))
    4
    return false;
    4
    return false;
                                                  
    5
    OHLC that = (OHLC)obj;
    5
    Second that = (Second)obj;
                                                          
    6
    if (this.second != that.second)
    6
    if (this.second != that.second)
    6
    if (this.open != that.open)
    Differences
    Expression1Expression2Difference
    secondopenVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Secondorg.jfree.data.time.ohlc.OHLCVARIABLE_TYPE_MISMATCH
    secondopenVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.second does not match with type double of variable this.open
    Type byte of variable that.second does not match with type double of variable that.open
    • Make classes org.jfree.data.time.Second and org.jfree.data.time.ohlc.OHLC extend a common superclass
    Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.open cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte of variable that.second does not match with type double of variable that.open
    6
    if (this.open != that.open)
    7
    return false;
    7
    return false;
    8
    if (this.minute != that.minute)
    8
    if (this.minute != that.minute)
    8
    if (this.close != that.close)
    Differences
    Expression1Expression2Difference
    minutecloseVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Secondorg.jfree.data.time.ohlc.OHLCVARIABLE_TYPE_MISMATCH
    minutecloseVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.minute does not match with type double of variable this.close
    Type byte of variable that.minute does not match with type double of variable that.close
    • Make classes org.jfree.data.time.Second and org.jfree.data.time.ohlc.OHLC extend a common superclass
    Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.close cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte of variable that.minute does not match with type double of variable that.close
    8
    if (this.close != that.close)
    9
    return false;
    9
    return false;
    10
    if (this.hour != that.hour)
    10
    if (this.hour != that.hour)
    10
    if (this.high != that.high)
    Differences
    Expression1Expression2Difference
    hourhighVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    org.jfree.data.time.Secondorg.jfree.data.time.ohlc.OHLCVARIABLE_TYPE_MISMATCH
    hourhighVARIABLE_NAME_MISMATCH
    bytedoubleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type byte of variable this.hour does not match with type double of variable this.high
    Type byte of variable that.hour does not match with type double of variable that.high
    • Make classes org.jfree.data.time.Second and org.jfree.data.time.ohlc.OHLC extend a common superclass
    Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression that.high cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type byte of variable that.hour does not match with type double of variable that.high
    10
    if (this.high != that.high)
    11
    return false;
    11
    return false;
    Precondition Violations (18)
    Row Violation
    1Type org.jfree.data.time.Second does not match with type org.jfree.data.time.ohlc.OHLC
    2Type byte of variable this.second does not match with type double of variable this.open
    3Type byte of variable that.second does not match with type double of variable that.open
    4Expression that.second cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression that.open cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Type byte of variable that.second does not match with type double of variable that.open
    7Type byte of variable this.minute does not match with type double of variable this.close
    8Type byte of variable that.minute does not match with type double of variable that.close
    9Expression that.minute cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression that.close cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Type byte of variable that.minute does not match with type double of variable that.close
    12Type byte of variable this.hour does not match with type double of variable this.high
    13Type byte of variable that.hour does not match with type double of variable that.high
    14Expression that.hour cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression that.high cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Type byte of variable that.hour does not match with type double of variable that.high
    17Not all possible execution flows end in a return statement
    18The refactoring of the clones is infeasible, because classes org.jfree.data.time.Second and org.jfree.data.time.ohlc.OHLC do not have a common superclass