if (this == another) { return true; } if (isReference()) { return getCheckedRef().equals(another); } if (!(another.getClass().equals(getClass()))) { return false; } URLResource otheru = (URLResource) another; return getURL() == null ? otheru.getURL() == null : getURL().equals(otheru.getURL());
if (this == another) { return true; } if (isReference()) { return getCheckedRef().equals(another); } if (!(another.getClass().equals(getClass()))) { return false; } FileResource otherfr = (FileResource) another; return getFile() == null ? otherfr.getFile() == null : getFile().equals(otherfr.getFile());
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/URLResource.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/FileResource.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (this == another) {
1
if (this == another) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (isReference()) {
4
        if (isReference()) {
5
            return getCheckedRef().equals(another);
5
            return getCheckedRef().equals(another);
6
        }
6
        }
7
        if (!(another.getClass().equals(getClass()))) {
7
        if (!(another.getClass().equals(getClass()))) {
8
            return false;
8
            return false;
9
        }
9
        }
10
        URLResource otheru = (URLResource) another;
10
        FileResource otherfr = (FileResource) another;
11
        return getURL() == null
11
        return getFile() == null
12
            ? otheru.getURL() == null
12
            ? otherfr.getFile() == null
13
            : getURL().equals(otheru.getURL());
13
            : getFile().equals(otherfr.getFile());
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)0.6
Clones locationClones are in different classes having the same super class
Number of node comparisons31
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (this == another)
    1
    if (this == another)
    2
    return true;
    2
    return true;
    3
    if (isReference())
    3
    if (isReference())
    4
    return getCheckedRef().equals(another);
    4
    return getCheckedRef().equals(another);
    5
    if (!(another.getClass().equals(getClass())))
    5
    if (!(another.getClass().equals(getClass())))
    5
    if (!(another.getClass().equals(getClass())))
    Differences
    Expression1Expression2Difference
    java.lang.Classjava.lang.ClassVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Class<> of variable getClass() does not match with type java.lang.Class<> of variable getClass()
    • Make classes java.lang.Class and java.lang.Class extend a common superclass
    5
    if (!(another.getClass().equals(getClass())))
    6
    return false;
    6
    return false;
    7
    URLResource otheru = (URLResource)another;
    7
    URLResource otheru = (URLResource)another;
    7
    FileResource otherfr = (FileResource)another;
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.resources.URLResourceorg.apache.tools.ant.types.resources.FileResourceSUBCLASS_TYPE_MISMATCH
    otheruotherfrVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.resources.URLResourceorg.apache.tools.ant.types.resources.FileResourceSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.resources.URLResourceorg.apache.tools.ant.types.resources.FileResourceSUBCLASS_TYPE_MISMATCH
    7
    FileResource otherfr = (FileResource)another;
                                                                                                                                                                                                
    8
    return getFile() == null ? otherfr.getFile() == null : getFile().equals(otherfr.getFile());
    8
    return getURL() == null ? otheru.getURL() == null : getURL().equals(otheru.getURL());
                                                                                                                                                                                    
    Precondition Violations (2)
    Row Violation
    1Type java.lang.Class<> of variable getClass() does not match with type java.lang.Class<> of variable getClass()
    2Clone fragment #1 returns variable otheru with type org.apache.tools.ant.types.resources.URLResource , while Clone fragment #2 returns variable otherfr with type org.apache.tools.ant.types.resources.FileResource