if (maxLo < 1) { //keep the behavior consistent even for boundary usages long val = ( (Number) super.generate(session, obj) ).longValue(); if (val == 0) val = ( (Number) super.generate(session, obj) ).longValue(); return IdentifierGeneratorFactory.createNumber( val, returnClass ); } if ( lo>maxLo ) { long hival = ( (Number) super.generate(session, obj) ).longValue(); lo = (hival == 0) ? 1 : 0; hi = hival * ( maxLo+1 ); if ( log.isDebugEnabled() ) log.debug("new hi value: " + hival); } return IdentifierGeneratorFactory.createNumber( hi + lo++, returnClass );
if (maxLo < 1) { //keep the behavior consistent even for boundary usages long val = ( (Number) super.generate(session, obj) ).longValue(); if (val == 0) val = ( (Number) super.generate(session, obj) ).longValue(); return IdentifierGeneratorFactory.createNumber( val, returnClass ); } if (lo>maxLo) { long hival = ( (Number) super.generate(session, obj) ).longValue(); lo = (hival == 0) ? 1 : 0; hi = hival * (maxLo+1); log.debug("new hi value: " + hival); } return IdentifierGeneratorFactory.createNumber( hi + lo++, returnClass );
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/id/SequenceHiLoGenerator.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/id/TableHiLoGenerator.java
Method name: Serializable generate(SessionImplementor, Object) Method name: Serializable generate(SessionImplementor, Object)
Number of AST nodes: 12 Number of AST nodes: 11
1
if (maxLo < 1) {
1
if (maxLo < 1) {
2
			//keep the behavior consistent even for boundary usages
2
			//keep the behavior consistent even for boundary usages
3
			long val = ( (Number) super.generate(session, obj) ).longValue();
3
			long val = ( (Number) super.generate(session, obj) ).longValue();
4
			if (val == 0) val = ( (Number) super.generate(session, obj) ).longValue();
4
			if (val == 0) val = ( (Number) super.generate(session, obj) ).longValue();
5
			return IdentifierGeneratorFactory.createNumber( val, returnClass );
5
			return IdentifierGeneratorFactory.createNumber( val, returnClass );
6
		}
6
		}
7
		if ( lo>maxLo ) {
7
		if (lo>maxLo) {
8
			long hival = ( (Number) super.generate(session, obj) ).longValue();
8
			long hival = ( (Number) super.generate(session, obj) ).longValue();
9
			lo = (hival == 0) ? 1 : 0;
9
			lo = (hival == 0) ? 1 : 0;
10
			hi = hival * ( maxLo+1 );
10
			hi = hival * (maxLo+1);
11
			if ( log.isDebugEnabled() )
11
			
12
				log.debug("new hi value: " + hival);
12
log.debug("new hi value: " + hival);
13
		}
13
		}
14
		return IdentifierGeneratorFactory.createNumber( hi + lo++, returnClass );
14
		return IdentifierGeneratorFactory.createNumber( hi + lo++, returnClass );
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)0.3
Clones locationClones are in different classes
Number of node comparisons30
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)4.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (maxLo < 1)
    1
    if (maxLo < 1)
    2
    long val = ((Number)super.generate(session, obj)).longValue();
    2
    long val = ((Number)super.generate(session, obj)).longValue();
    2
    long val = ((Number)super.generate(session, obj)).longValue();
    Preondition Violations
    Super method call long val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    Super method call long val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    2
    long val = ((Number)super.generate(session, obj)).longValue();
    3
    if (val == 0)
    3
    if (val == 0)
    4
    val = ((Number)super.generate(session, obj)).longValue();
    4
    val = ((Number)super.generate(session, obj)).longValue();
    4
    val = ((Number)super.generate(session, obj)).longValue();
    Preondition Violations
    Super method call val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    Super method call val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    4
    val = ((Number)super.generate(session, obj)).longValue();
    5
    return IdentifierGeneratorFactory.createNumber(val, returnClass);
    5
    return IdentifierGeneratorFactory.createNumber(val, returnClass);
    6
    if (lo > maxLo)
    6
    if (lo > maxLo)
    7
    long hival = ((Number)super.generate(session, obj)).longValue();
    7
    long hival = ((Number)super.generate(session, obj)).longValue();
    7
    long hival = ((Number)super.generate(session, obj)).longValue();
    Preondition Violations
    Super method call long hival=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    Super method call long hival=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    7
    long hival = ((Number)super.generate(session, obj)).longValue();
    8
    lo = (hival == 0) ? 1 : 0;
    8
    lo = (hival == 0) ? 1 : 0;
    9
    hi = hival * (maxLo + 1);
    9
    hi = hival * (maxLo + 1);
                                                                                    
    10
    log.debug("new hi value: " + hival);
    Preondition Violations
    Unmatched statement log.debug("new hi value: " + hival); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    10
    log.debug("new hi value: " + hival);
    10
    if (log.isDebugEnabled())
                                                            
    11
    log.debug("new hi value: " + hival);
    11
    log.debug("new hi value: " + hival);
    Preondition Violations
    Unmatched statement log.debug("new hi value: " + hival); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                    
    12
    return IdentifierGeneratorFactory.createNumber(hi + lo++, returnClass);
    11
    return IdentifierGeneratorFactory.createNumber(hi + lo++, returnClass);
    Precondition Violations (9)
    Row Violation
    1Super method call long val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    2Super method call long val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    3Super method call val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    4Super method call val=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    5Super method call long hival=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    6Super method call long hival=((Number)super.generate(session,obj)).longValue(); cannot be extracted from method
    7Unmatched statement log.debug("new hi value: " + hival); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8Unmatched statement log.debug("new hi value: " + hival); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9The refactoring of the clones is infeasible, because classes org.hibernate.id.SequenceHiLoGenerator and org.hibernate.id.TableHiLoGenerator do not have a common superclass