if (s_instance == null) { throw new IllegalArgumentException("UIFactory has not been initialized"); } return s_instance;
if (session == null) { throw new IllegalArgumentException("ISession == null"); } return new RootNode(session);
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/builders/UIFactory.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/objecttree/ObjectTreeModel.java
Method name: UIFactory getInstance() Method name: ObjectTreeNode createRootNode(ISession)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (s_instance == null)
1
if (session == null)
2
		{
2
		{
3
			throw new IllegalArgumentException("UIFactory has not been initialized");
3
			throw new IllegalArgumentException("ISession == null");
4
		}
4
		}
5
		return s_instance;
5
		return new RootNode(session);
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 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)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (s_instance == null)
    1
    if (s_instance == null)
    1
    if (session == null)
    Differences
    Expression1Expression2Difference
    s_instancesessionVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.gui.builders.UIFactorynet.sourceforge.squirrel_sql.client.session.ISessionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.client.gui.builders.UIFactory of variable s_instance does not match with type net.sourceforge.squirrel_sql.client.session.ISession of variable session
    • Make classes net.sourceforge.squirrel_sql.client.gui.builders.UIFactory and net.sourceforge.squirrel_sql.client.session.ISession extend a common superclass
    1
    if (session == null)
    2
    throw new IllegalArgumentException("UIFactory has not been initialized");
    2
    throw new IllegalArgumentException("UIFactory has not been initialized");
    2
    throw new IllegalArgumentException("ISession == null");
    Differences
    Expression1Expression2Difference
    "UIFactory has not been initialized""ISession == null"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("ISession == null");
                                                                    
    3
    return new RootNode(session);
    Preondition Violations
    Unmatched statement return new RootNode(session); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return new RootNode(session);
    3
    return new RootNode(session);
    3
    return s_instance;
    3
    return s_instance;
    Preondition Violations
    Unmatched statement return s_instance; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return s_instance;
                                              
    Precondition Violations (5)
    Row Violation
    1Type net.sourceforge.squirrel_sql.client.gui.builders.UIFactory of variable s_instance does not match with type net.sourceforge.squirrel_sql.client.session.ISession of variable session
    2Unmatched statement return new RootNode(session); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched return new RootNode(session);
    4Unmatched statement return s_instance; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Unmatched return s_instance;