if ( querySpaces == null ) { querySpaces = new ArrayList(); } querySpaces.add( querySpace ); return this;
if ( childFromClauses == null ) { childFromClauses = new HashSet(); } childFromClauses.add( fromClause );
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/impl/SQLQueryImpl.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/hql/ast/tree/FromClause.java
Method name: SQLQuery addSynchronizedQuerySpace(String) Method name: void addChild(FromClause)
Number of AST nodes: 4 Number of AST nodes: 3
1
if ( querySpaces == null ) {
1
if ( childFromClauses == null ) {
2
			querySpaces = new ArrayList();
2
			childFromClauses = new HashSet();
3
		}
3
		}
4
		querySpaces.add( querySpace );
4
		
5
		return this;
5
childFromClauses.add( fromClause );
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 comparisons6
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (querySpaces == null)
    1
    if (querySpaces == null)
    1
    if (childFromClauses == null)
    Differences
    Expression1Expression2Difference
    querySpaceschildFromClausesVARIABLE_NAME_MISMATCH
    java.util.Collectionjava.util.SetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Collection of variable querySpaces does not match with type java.util.Set of variable childFromClauses
    • Make classes java.util.Collection and java.util.Set extend a common superclass
    1
    if (childFromClauses == null)
                                                                        
    2
    childFromClauses = new HashSet();
    Preondition Violations
    Unmatched statement childFromClauses=new HashSet(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    childFromClauses = new HashSet();
    2
    querySpaces = new ArrayList();
    2
    querySpaces = new ArrayList();
    Preondition Violations
    Unmatched statement querySpaces=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                  
    3
    querySpaces.add(querySpace);
    3
    querySpaces.add(querySpace);
    3
    childFromClauses.add(fromClause);
    Differences
    Expression1Expression2Difference
    querySpacefromClauseVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.hibernate.hql.ast.tree.FromClauseVARIABLE_TYPE_MISMATCH
    querySpaceschildFromClausesVARIABLE_NAME_MISMATCH
    java.util.Collectionjava.util.SetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable querySpace does not match with type org.hibernate.hql.ast.tree.FromClause of variable fromClause
    • Make classes java.lang.String and org.hibernate.hql.ast.tree.FromClause extend a common superclass
    Type java.util.Collection of variable querySpaces does not match with type java.util.Set of variable childFromClauses
    • Make classes java.util.Collection and java.util.Set extend a common superclass
    3
    childFromClauses.add(fromClause);
    4
    return this;
    4
    return this;
    Preondition Violations
    Unmatched return this;
                                  
    Precondition Violations (6)
    Row Violation
    1Type java.util.Collection of variable querySpaces does not match with type java.util.Set of variable childFromClauses
    2Unmatched statement childFromClauses=new HashSet(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement querySpaces=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Type java.lang.String of variable querySpace does not match with type org.hibernate.hql.ast.tree.FromClause of variable fromClause
    5Type java.util.Collection of variable querySpaces does not match with type java.util.Set of variable childFromClauses
    6Unmatched return this;