Boolean exists = isOperationQueueEnabled() ? readElementExistence( value ) : null; if ( exists == null ) { initialize( true ); if ( set.add( value ) ) { dirty(); return true; } else { return false; } } else if ( exists.booleanValue() ) { return false; } else { queueOperation( new SimpleAdd(value) ); return true; }
Boolean exists = isPutQueueEnabled() ? readElementExistence( value ) : null; if ( exists==null ) { initialize( true ); if ( set.remove( value ) ) { dirty(); return true; } else { return false; } } else if ( exists.booleanValue() ) { queueOperation( new SimpleRemove(value) ); return true; } else { return false; }
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/collection/PersistentSet.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/collection/PersistentSet.java
Method name: boolean add(Object) Method name: boolean remove(Object)
Number of AST nodes: 11 Number of AST nodes: 11
1
Boolean exists = isOperationQueueEnabled() ? readElementExistence( value ) : null;
1
Boolean exists = isPutQueueEnabled() ? readElementExistence( value ) : null;
2
		if ( exists == null ) {
2
		if ( exists==null ) {
3
			initialize( true );
3
			initialize( true );
4
			if ( set.add( value ) ) {
4
			if ( set.remove( value ) ) {
5
				dirty();
5
				dirty();
6
				return true;
6
				return true;
7
			}
7
			}
8
			else {
8
			else {
9
				return false;
9
				return false;
10
			}
10
			}
11
		}
11
		}
12
		else if ( exists.booleanValue() ) {
12
		else if ( exists.booleanValue() ) {
13
			return false;
13
			
14
		}
15
		else {
16
			queueOperation( new SimpleAdd(value) );
14
queueOperation( new SimpleRemove(value) );
17
			return true;
15
			return true;
18
		}
16
		}
17
		else {
18
			return false;
19
		}
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 comparisons37
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)2.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    Boolean exists = isOperationQueueEnabled() ? readElementExistence(value) : null;
    1
    Boolean exists = isOperationQueueEnabled() ? readElementExistence(value) : null;
    1
    Boolean exists = isPutQueueEnabled() ? readElementExistence(value) : null;
    Differences
    Expression1Expression2Difference
    isOperationQueueEnabledisPutQueueEnabledMETHOD_INVOCATION_NAME_MISMATCH
    1
    Boolean exists = isPutQueueEnabled() ? readElementExistence(value) : null;
    2
    if (exists == null)
    2
    if (exists == null)
    3
    initialize(true);
    3
    initialize(true);
    4
    if (set.add(value))
    4
    if (set.add(value))
    4
    if (set.remove(value))
    Differences
    Expression1Expression2Difference
    addremoveMETHOD_INVOCATION_NAME_MISMATCH
    4
    if (set.remove(value))
    5
    dirty();
    5
    dirty();
    6
    return true;
    6
    return true;
    else
    else
    7
    return false;
    7
    return false;
    8
    else if (exists.booleanValue())
    8
    else if (exists.booleanValue())
                                                                                          
    9
    queueOperation(new SimpleRemove(value));
    9
    return false;
    9
    return false;
    10
    return true;
    Differences
    Expression1Expression2Difference
    falsetrueLITERAL_VALUE_MISMATCH
    10
    return true;
    else
    else
    10
    queueOperation(new SimpleAdd(value));
                                                                                      
    11
    return true;
    11
    return true;
    11
    return false;
    Differences
    Expression1Expression2Difference
    truefalseLITERAL_VALUE_MISMATCH
    11
    return false;
    Precondition Violations (0)
    Row Violation