if ( childFromClauses == null ) { childFromClauses = new HashSet(); } childFromClauses.add( fromClause );
if ( embeddedParameters == null ) { embeddedParameters = new ArrayList(); } embeddedParameters.add( specification );
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/hql/ast/tree/FromClause.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/hql/ast/tree/FromElement.java
Method name: void addChild(FromClause) Method name: void addEmbeddedParameter(ParameterSpecification)
Number of AST nodes: 3 Number of AST nodes: 3
1
if ( childFromClauses == null ) {
1
if ( 
2
			childFromClauses = new HashSet();
3
		}
4
		childFromClauses.add( fromClause
2
embeddedParameters == null ) {
3
			embeddedParameters = new ArrayList();
4
		}
5
 );
5
		embeddedParameters.add( specification );
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 having the same super class
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (childFromClauses == null)
    1
    if (childFromClauses == null)
    1
    if (embeddedParameters == null)
    Differences
    Expression1Expression2Difference
    childFromClausesembeddedParametersVARIABLE_NAME_MISMATCH
    java.util.Setjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Set of variable childFromClauses does not match with type java.util.List of variable embeddedParameters
    • Make classes java.util.Set and java.util.List extend a common superclass
    1
    if (embeddedParameters == null)
                                                                                
    2
    embeddedParameters = new ArrayList();
    Preondition Violations
    Unmatched statement embeddedParameters=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    embeddedParameters = new ArrayList();
    2
    childFromClauses = new HashSet();
    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
                                                                        
    3
    childFromClauses.add(fromClause);
    3
    childFromClauses.add(fromClause);
    3
    embeddedParameters.add(specification);
    Differences
    Expression1Expression2Difference
    fromClausespecificationVARIABLE_NAME_MISMATCH
    org.hibernate.hql.ast.tree.FromClauseorg.hibernate.param.ParameterSpecificationVARIABLE_TYPE_MISMATCH
    childFromClausesembeddedParametersVARIABLE_NAME_MISMATCH
    java.util.Setjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.hql.ast.tree.FromClause of variable fromClause does not match with type org.hibernate.param.ParameterSpecification of variable specification
    • Make classes org.hibernate.hql.ast.tree.FromClause and org.hibernate.param.ParameterSpecification extend a common superclass
    Type java.util.Set of variable childFromClauses does not match with type java.util.List of variable embeddedParameters
    • Make classes java.util.Set and java.util.List extend a common superclass
    3
    embeddedParameters.add(specification);
    Precondition Violations (5)
    Row Violation
    1Type java.util.Set of variable childFromClauses does not match with type java.util.List of variable embeddedParameters
    2Unmatched statement embeddedParameters=new ArrayList(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement childFromClauses=new HashSet(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Type org.hibernate.hql.ast.tree.FromClause of variable fromClause does not match with type org.hibernate.param.ParameterSpecification of variable specification
    5Type java.util.Set of variable childFromClauses does not match with type java.util.List of variable embeddedParameters