final IContextResultEvent e = new ContextResultEvent(this, providerName); // Guaranteed to return a non-null array final Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == IContextResultListener.class) { ((IContextResultListener) listeners[i + 1]).resultArrived(e); } }
ITagEvent e = new TagEvent(this, id); // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == ITagListener.class) { ((ITagListener) listeners[i + 1]).tagAdded(e); } }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/core/src/main/java/org/columba/core/context/ContextSearchManager.java File path: /columba-1.4-src/core/src/main/java/org/columba/core/tagging/TagManager.java
Method name: void fireResultArrived(String) Method name: void fireTagAddedEvent(String)
Number of AST nodes: 5 Number of AST nodes: 5
1
final IContextResultEvent e = new ContextResultEvent(this, providerName);
1
ITagEvent e = new TagEvent(this, id);
2
		// Guaranteed to return a non-null array
2
		// Guaranteed to return a non-null array
3
		final Object[] listeners = listenerList.getListenerList();
3
		Object[] listeners = listenerList.getListenerList();
4

4
		// Process the listeners last to first, notifying
5
		// Process the listeners last to first, notifying
5
		// those that are interested in this event
6
		// those that are interested in this event
6
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
7
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
7
			if (listeners[i] == IContextResultListener.class) {
8
			if (listeners[i] == ITagListener.class) {
8
				((IContextResultListener) listeners[i + 1]).resultArrived(e);
9
				((ITagListener) listeners[i + 1]).tagAdded(e);
9
			}
10
			}
10
		}
11
		}
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)0.4
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                              
    1
    ITagEvent e = new TagEvent(this, id);
    Preondition Violations
    Unmatched statement ITagEvent e=new TagEvent(this,id); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ITagEvent e = new TagEvent(this, id);
    1
    final IContextResultEvent e = new ContextResultEvent(this, providerName);
    1
    final IContextResultEvent e = new ContextResultEvent(this, providerName);
    Preondition Violations
    Unmatched statement final IContextResultEvent e=new ContextResultEvent(this,providerName); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                      
                                                                                                              
    2
    Object[] listeners = listenerList.getListenerList();
    2
    final Object[] listeners = listenerList.getListenerList();
                                                                                                                          
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    4
    if (listeners[i] == IContextResultListener.class)
    4
    if (listeners[i] == IContextResultListener.class)
    4
    if (listeners[i] == ITagListener.class)
    Differences
    Expression1Expression2Difference
    IContextResultListener.classITagListener.classLITERAL_VALUE_MISMATCH
    4
    if (listeners[i] == ITagListener.class)
    5
    ((IContextResultListener)listeners[i + 1]).resultArrived(e);
    5
    ((IContextResultListener)listeners[i + 1]).resultArrived(e);
    5
    ((ITagListener)listeners[i + 1]).tagAdded(e);
    Differences
    Expression1Expression2Difference
    org.columba.core.context.api.IContextResultEventorg.columba.core.tagging.api.ITagEventVARIABLE_TYPE_MISMATCH
    resultArrivedtagAddedMETHOD_INVOCATION_NAME_MISMATCH
    org.columba.core.context.api.IContextResultListenerorg.columba.core.tagging.api.ITagListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.core.context.api.IContextResultEvent of variable e does not match with type org.columba.core.tagging.api.ITagEvent of variable e
    • Make classes org.columba.core.context.api.IContextResultEvent and org.columba.core.tagging.api.ITagEvent extend a common superclass
    Expression ((IContextResultListener)listeners[i + 1]).resultArrived(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((ITagListener)listeners[i + 1]).tagAdded(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((IContextResultListener)listeners[i + 1]).resultArrived(e) is a void method call, and thus it cannot be parameterized
    Expression ((ITagListener)listeners[i + 1]).tagAdded(e) is a void method call, and thus it cannot be parameterized
    Expression (IContextResultListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (ITagListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.columba.core.context.api.IContextResultListener does not match with type org.columba.core.tagging.api.ITagListener
    • Make classes org.columba.core.context.api.IContextResultListener and org.columba.core.tagging.api.ITagListener extend a common superclass
    5
    ((ITagListener)listeners[i + 1]).tagAdded(e);
    Precondition Violations (11)
    Row Violation
    1Unmatched statement ITagEvent e=new TagEvent(this,id); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement final IContextResultEvent e=new ContextResultEvent(this,providerName); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.columba.core.context.api.IContextResultEvent of variable e does not match with type org.columba.core.tagging.api.ITagEvent of variable e
    4Expression ((IContextResultListener)listeners[i + 1]).resultArrived(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression ((ITagListener)listeners[i + 1]).tagAdded(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression ((IContextResultListener)listeners[i + 1]).resultArrived(e) is a void method call, and thus it cannot be parameterized
    7Expression ((ITagListener)listeners[i + 1]).tagAdded(e) is a void method call, and thus it cannot be parameterized
    8Expression (IContextResultListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression (ITagListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type org.columba.core.context.api.IContextResultListener does not match with type org.columba.core.tagging.api.ITagListener
    11The refactoring of the clones is infeasible, because classes org.columba.core.context.ContextSearchManager and org.columba.core.tagging.TagManager do not have a common superclass