DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl) INSTANCES.get(nodeId); if (tm == null) { tm = new DualNodeJtaTransactionManagerImpl(nodeId); INSTANCES.put(nodeId, tm); } return tm;
QueryStatistics qs = (QueryStatistics) queryStatistics.get(queryString); if (qs==null) { qs = new QueryStatistics(queryString); queryStatistics.put(queryString, qs); } return qs;
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: QueryStatistics getQueryStatistics(String)
Number of AST nodes: 5 Number of AST nodes: 5
1
DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl) INSTANCES.get(nodeId);
2
	    
1
QueryStatistics qs = (QueryStatistics) queryStatistics.get(queryString);
3
if (tm == null) {
2
		if (qs==null) {
4
	        tm = new DualNodeJtaTransactionManagerImpl(nodeId);
3
	
5
	        INSTANCES.put(nodeId, tm);
6
	    
4
		qs = new QueryStatistics(queryString);
5
			queryStatistics.put(queryString, qs);
7
}
6
		}
8
		return tm;
7
		return qs;
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)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                    
    1
    QueryStatistics qs = (QueryStatistics)queryStatistics.get(queryString);
    1
    DualNodeJtaTransactionManagerImpl tm = (DualNodeJtaTransactionManagerImpl)INSTANCES.get(nodeId);
                                                                                                                                                                                                      
    2
    if (tm == null)
    2
    if (tm == null)
    2
    if (qs == null)
    Differences
    Expression1Expression2Difference
    tmqsVARIABLE_NAME_MISMATCH
    org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImplorg.hibernate.stat.QueryStatisticsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.QueryStatistics of variable qs
    • Make classes org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl and org.hibernate.stat.QueryStatistics extend a common superclass
    2
    if (qs == null)
                                                                                  
    3
    qs = new QueryStatistics(queryString);
    Preondition Violations
    Unmatched statement qs=new QueryStatistics(queryString); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    qs = new QueryStatistics(queryString);
    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
    queryStatistics.put(queryString, qs);
    Differences
    Expression1Expression2Difference
    nodeIdqueryStringVARIABLE_NAME_MISMATCH
    tmqsVARIABLE_NAME_MISMATCH
    org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImplorg.hibernate.stat.QueryStatisticsVARIABLE_TYPE_MISMATCH
    INSTANCESqueryStatisticsVARIABLE_NAME_MISMATCH
    java.util.Hashtablejava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl of variable tm does not match with type org.hibernate.stat.QueryStatistics of variable qs
    • Make classes org.hibernate.test.cache.jbc2.functional.util.DualNodeJtaTransactionManagerImpl and org.hibernate.stat.QueryStatistics extend a common superclass
    Type java.util.Hashtable of variable INSTANCES does not match with type java.util.Map of variable queryStatistics
    • Make classes java.util.Hashtable and java.util.Map extend a common superclass
    4
    queryStatistics.put(queryString, qs);
                              
    5
    return qs;
    Preondition Violations
    Unmatched return qs;
    5
    return qs;
    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.QueryStatistics of variable qs
    2Unmatched statement qs=new QueryStatistics(queryString); 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.QueryStatistics of variable qs
    5Type java.util.Hashtable of variable INSTANCES does not match with type java.util.Map of variable queryStatistics
    6Unmatched return qs;
    7Unmatched return tm;