if ( fromClause == null ) { fromClause = ( FromClause ) ASTUtil.findTypeInChildren( this, HqlSqlTokenTypes.FROM ); } return fromClause;
if (batchFetchQueue==null) { batchFetchQueue = new BatchFetchQueue(this); } return batchFetchQueue;
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/AbstractRestrictableStatement.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/engine/StatefulPersistenceContext.java
Method name: FromClause getFromClause() Method name: BatchFetchQueue getBatchFetchQueue()
Number of AST nodes: 3 Number of AST nodes: 3
1
if ( fromClause == null ) {
1
if (batchFetchQueue==null) {
2
			fromClause = ( FromClause ) ASTUtil.findTypeInChildren( this, HqlSqlTokenTypes.FROM );
2
			batchFetchQueue = new BatchFetchQueue(this);
3
		}
3
		}
4
		return fromClause;
4
		return batchFetchQueue;
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (fromClause == null)
    1
    if (fromClause == null)
    1
    if (batchFetchQueue == null)
    Differences
    Expression1Expression2Difference
    fromClausebatchFetchQueueVARIABLE_NAME_MISMATCH
    org.hibernate.hql.ast.tree.FromClauseorg.hibernate.engine.BatchFetchQueueVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.hibernate.hql.ast.tree.FromClause of variable fromClause does not match with type org.hibernate.engine.BatchFetchQueue of variable batchFetchQueue
    • Make classes org.hibernate.hql.ast.tree.FromClause and org.hibernate.engine.BatchFetchQueue extend a common superclass
    1
    if (batchFetchQueue == null)
                                                                                              
    2
    batchFetchQueue = new BatchFetchQueue(this);
    2
    fromClause = (FromClause)ASTUtil.findTypeInChildren(this, HqlSqlTokenTypes.FROM);
                                                                                                                                                                      
                                                        
    3
    return batchFetchQueue;
    Preondition Violations
    Unmatched return batchFetchQueue;
    3
    return batchFetchQueue;
    3
    return fromClause;
    3
    return fromClause;
    Preondition Violations
    Unmatched return fromClause;
                                              
    Precondition Violations (3)
    Row Violation
    1Type org.hibernate.hql.ast.tree.FromClause of variable fromClause does not match with type org.hibernate.engine.BatchFetchQueue of variable batchFetchQueue
    2Unmatched return batchFetchQueue;
    3Unmatched return fromClause;