try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (StackedXYBarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); }
try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (DefaultStatisticalCategoryDataset) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); }
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/xy/junit/StackedXYBarRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/DefaultStatisticalCategoryDatasetTests.java
Method name: void testSerialization() Method name: void testSerialization1()
Number of AST nodes: 8 Number of AST nodes: 8
1
try {
1
try {
2
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
2
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
3
            ObjectOutput out = new ObjectOutputStream(buffer);
3
            ObjectOutput out = new ObjectOutputStream(buffer);
4
            out.writeObject(r1);
4
            out.writeObject(d1);
5
            out.close();
5
            out.close();
6
            ObjectInput in = new ObjectInputStream(
6
            ObjectInput in = new ObjectInputStream(
7
                    new ByteArrayInputStream(buffer.toByteArray()));
7
                    new ByteArrayInputStream(buffer.toByteArray()));
8
            r2 = (StackedXYBarRenderer) in.readObject();
8
            d2 = (DefaultStatisticalCategoryDataset) in.readObject();
9
            in.close();
9
            in.close();
10
        }
10
        }
11
        catch (Exception e) {
11
        catch (Exception e) {
12
            e.printStackTrace();
12
            fail(e.toString());
13
        }
13
        }
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 having the same super class
Number of node comparisons64
  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)13.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    4
    try
    4
    try
    7
    try
    Differences
    Expression1Expression2Difference
    printStackTracefailMETHOD_INVOCATION_NAME_MISMATCH
    e.printStackTrace()fail(e.toString())TYPE_COMPATIBLE_REPLACEMENT
    e.printStackTrace()fail(e.toString())ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    7
    try
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    8
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    9
    ObjectOutput out = new ObjectOutputStream(buffer);
    7
    out.writeObject(r1);
    7
    out.writeObject(r1);
    10
    out.writeObject(d1);
    Differences
    Expression1Expression2Difference
    r1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.xy.StackedXYBarRendererorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression r1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    10
    out.writeObject(d1);
    8
    out.close();
    11
    out.close();
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    12
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    10
    r2 = (StackedXYBarRenderer)in.readObject();
    10
    r2 = (StackedXYBarRenderer)in.readObject();
    13
    d2 = (DefaultStatisticalCategoryDataset)in.readObject();
    Differences
    Expression1Expression2Difference
    r2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.xy.StackedXYBarRendererorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.xy.StackedXYBarRendererorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (StackedXYBarRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DefaultStatisticalCategoryDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13
    d2 = (DefaultStatisticalCategoryDataset)in.readObject();
    11
    in.close();
    14
    in.close();
    Precondition Violations (12)
    Row Violation
    1Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    4Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    5Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    8Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    9Expression r1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    10Expression (StackedXYBarRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression (DefaultStatisticalCategoryDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Clone fragment #1 returns variable r2 with type org.jfree.chart.renderer.xy.StackedXYBarRenderer , while Clone fragment #2 returns variable d2 with type org.jfree.data.statistics.DefaultStatisticalCategoryDataset