RubyClass proxy; if ((proxy = proxyClass) != null) { // proxy is complete, return it return proxy; } else if (proxyLock.isHeldByCurrentThread()) { // proxy is under construction, building thread can // safely read non-volatile value return unfinishedProxyClass; } return null;
RubyModule proxy; if ((proxy = proxyModule) != null) { // proxy is complete, return it return proxy; } else if (proxyLock.isHeldByCurrentThread()) { // proxy is under construction, building thread can // safely read non-volatile value return unfinishedProxyModule; } return null;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/javasupport/JavaClass.java File path: /jruby-1.4.0/src/org/jruby/javasupport/JavaClass.java
Method name: RubyClass getProxyClass() Method name: RubyModule getProxyModule()
Number of AST nodes: 6 Number of AST nodes: 6
1
RubyClass proxy;
1
RubyModule proxy;
2
        if ((proxy = proxyClass) != null) {
2
        if ((proxy = proxyModule) != null) {
3
            // proxy is complete, return it
3
            // proxy is complete, return it
4
            return proxy;
4
            return proxy;
5
        } else if (proxyLock.isHeldByCurrentThread()) {
5
        } else if (proxyLock.isHeldByCurrentThread()) {
6
            // proxy is under construction, building thread can
6
            // proxy is under construction, building thread can
7
            // safely read non-volatile value
7
            // safely read non-volatile value
8
            return unfinishedProxyClass; 
8
            return unfinishedProxyModule; 
9
        }
9
        }
10
        return null;
10
        return null;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.4
Clones locationClones are declared in the same class
Number of node comparisons17
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    RubyClass proxy;
    1
    RubyClass proxy;
    1
    RubyModule proxy;
    Differences
    Expression1Expression2Difference
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    1
    RubyModule proxy;
    2
    if ((proxy = proxyClass) != null)
    2
    if ((proxy = proxyClass) != null)
    2
    if ((proxy = proxyModule) != null)
    Differences
    Expression1Expression2Difference
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    proxyClassproxyModuleVARIABLE_NAME_MISMATCH
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    2
    if ((proxy = proxyModule) != null)
    3
    return proxy;
    3
    return proxy;
    3
    return proxy;
    Differences
    Expression1Expression2Difference
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    3
    return proxy;
    4
    else if (proxyLock.isHeldByCurrentThread())
    4
    else if (proxyLock.isHeldByCurrentThread())
    5
    return unfinishedProxyClass;
    5
    return unfinishedProxyClass;
    5
    return unfinishedProxyModule;
    Differences
    Expression1Expression2Difference
    unfinishedProxyClassunfinishedProxyModuleVARIABLE_NAME_MISMATCH
    org.jruby.RubyClassorg.jruby.RubyModuleSUBCLASS_TYPE_MISMATCH
    5
    return unfinishedProxyModule;
    6
    return null;
    6
    return null;
    Precondition Violations (0)
    Row Violation