Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel(); if(!(socketChannel instanceof DatagramChannel)) { throw getRuntime().newErrnoENOPROTOOPTError(); } return ((DatagramChannel)socketChannel).socket();
Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel(); if(!(socketChannel instanceof ServerSocketChannel)) { throw getRuntime().newErrnoENOPROTOOPTError(); } return ((ServerSocketChannel)socketChannel).socket();
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/ext/socket/RubyBasicSocket.java File path: /jruby-1.4.0/src/org/jruby/ext/socket/RubyBasicSocket.java
Method name: DatagramSocket asDatagramSocket() Method name: ServerSocket asServerSocket()
Number of AST nodes: 4 Number of AST nodes: 4
1
Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel();
1
Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel();
2
        if(!(socketChannel instanceof DatagramChannel)) {
2
        if(!(socketChannel instanceof ServerSocketChannel)) {
3
            throw getRuntime().newErrnoENOPROTOOPTError();
3
            throw getRuntime().newErrnoENOPROTOOPTError();
4
        }
4
        }
5
        return ((DatagramChannel)socketChannel).socket();
5
        return ((ServerSocketChannel)socketChannel).socket();
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 declared in the same class
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel();
    1
    Channel socketChannel = openFile.getMainStream().getDescriptor().getChannel();
    2
    if (!(socketChannel instanceof DatagramChannel))
    2
    if (!(socketChannel instanceof DatagramChannel))
    2
    if (!(socketChannel instanceof ServerSocketChannel))
    Differences
    Expression1Expression2Difference
    java.nio.channels.DatagramChanneljava.nio.channels.ServerSocketChannelSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression socketChannel instanceof DatagramChannel cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression socketChannel instanceof ServerSocketChannel cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    if (!(socketChannel instanceof ServerSocketChannel))
    3
    throw getRuntime().newErrnoENOPROTOOPTError();
    3
    throw getRuntime().newErrnoENOPROTOOPTError();
                                                                                                                    
    4
    return ((ServerSocketChannel)socketChannel).socket();
    4
    return ((DatagramChannel)socketChannel).socket();
                                                                                                            
    Precondition Violations (2)
    Row Violation
    1Expression socketChannel instanceof DatagramChannel cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression socketChannel instanceof ServerSocketChannel cannot be parameterized, because it has dependencies to/from statements that will be extracted