DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl) INSTANCES.get(nodeId); if (tm == null) { tm = new DualNodeJtaTransactionManagerImpl(nodeId); INSTANCES.put(nodeId, tm); } return tm;
EntityStatistics es = (EntityStatistics) entityStatistics.get(entityName); if (es==null) { es = new EntityStatistics(entityName); entityStatistics.put(entityName, es); } return es;
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/cache-jbosscache2/src/test/java/org/hibernate/test/cache/jbc2/functional/util/DualNodeJtaTransactionManagerImpl.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/stat/StatisticsImpl.java
Method name: DualNodeJtaTransactionManagerImpl getInstance(String) Method name: EntityStatistics getEntityStatistics(String)
Number of AST nodes: 5 Number of AST nodes: 5
1
DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl) INSTANCES.get(nodeId);
2
	    
1
EntityStatistics es = (EntityStatistics) entityStatistics.get(entityName);
3
if (tm == null) {
2
		if (es==null) {
4
	        tm = new DualNodeJtaTransactionManagerImpl(nodeId);
3
	
5
	        INSTANCES.put(nodeId, tm);
6
	    
4
		es = new EntityStatistics(entityName);
5
			entityStatistics.put(entityName, es);
7
}
6
		}
8
		return tm;
7
		return es;
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 in different classes
Number of node comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)1.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                        
    1
    EntityStatistics es = (EntityStatistics)entityStatistics.get(entityName);
    1
    DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl)INSTANCES.get(nodeId);
                                                                                                                                                                                                      
    2
    if (tm == null)
    2
    if (tm == null)
    2
    if (es == null)
    Differences
    Expression1Expression2Difference
    tmesVARIABLE_NAME_MISMATCH
    org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImplorg.hibernate.stat.EntityStatisticsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.EntityStatistics of variable es
    • Make classes org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl and org.hibernate.stat.EntityStatistics extend a common superclass
    2
    if (es == null)
                                                                                  
    3
    es = new EntityStatistics(entityName);
    Preondition Violations
    Unmatched statement es=new EntityStatistics(entityName); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    es = new EntityStatistics(entityName);
    3
    tm = new DualNodeJtaTransactionManagerImpl(nodeId);
    3
    tm = new DualNodeJtaTransactionManagerImpl(nodeId);
    Preondition Violations
    Unmatched statement tm=new DualNodeJtaTransactionManagerImpl(nodeId); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                            
    4
    INSTANCES.put(nodeId, tm);
    4
    INSTANCES.put(nodeId, tm);
    4
    entityStatistics.put(entityName, es);
    Differences
    Expression1Expression2Difference
    nodeIdentityNameVARIABLE_NAME_MISMATCH
    tmesVARIABLE_NAME_MISMATCH
    org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImplorg.hibernate.stat.EntityStatisticsVARIABLE_TYPE_MISMATCH
    INSTANCESentityStatisticsVARIABLE_NAME_MISMATCH
    java.util.Hashtablejava.util.MapSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.EntityStatistics of variable es
    • Make classes org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl and org.hibernate.stat.EntityStatistics extend a common superclass
    4
    entityStatistics.put(entityName, es);
                              
    5
    return es;
    Preondition Violations
    Unmatched return es;
    5
    return es;
    5
    return tm;
    5
    return tm;
    Preondition Violations
    Unmatched return tm;
                              
    Precondition Violations (7)
    Row Violation
    1Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.EntityStatistics of variable es
    2Unmatched statement es=new EntityStatistics(entityName); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement tm=new DualNodeJtaTransactionManagerImpl(nodeId); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.EntityStatistics of variable es
    5Unmatched return es;
    6Unmatched return tm;
    7The refactoring of the clones is infeasible, because classes org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl and org.hibernate.stat.StatisticsImpl do not have a common superclass