if (s_instance == null) { throw new IllegalArgumentException("UIFactory has not been initialized"); } return s_instance;
if (src == null) { throw new IllegalArgumentException("Null IDataSetModel passed"); } return src;
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/builders/UIFactory.java File path: /sql12/fw/src/net/sourceforge/squirrel_sql/fw/datasetviewer/DataSetModelEvent.java
Method name: UIFactory getInstance() Method name: IDataSetModel validateSource(IDataSetModel)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (s_instance == null)
1
if (src == null)
2
		{
2
 {
3
			throw new IllegalArgumentException("UIFactory has not been initialized");
3
			throw new IllegalArgumentException("Null IDataSetModel passed");
4
		}
4
		}
5
		return s_instance;
5
		return src;
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)0.2
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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (s_instance == null)
    1
    if (s_instance == null)
    1
    if (src == null)
    Differences
    Expression1Expression2Difference
    s_instancesrcVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.client.gui.builders.UIFactorynet.sourceforge.squirrel_sql.fw.datasetviewer.IDataSetModelVARIABLE_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.fw.datasetviewer.IDataSetModel of variable src
    • Make classes net.sourceforge.squirrel_sql.client.gui.builders.UIFactory and net.sourceforge.squirrel_sql.fw.datasetviewer.IDataSetModel extend a common superclass
    1
    if (src == null)
    2
    throw new IllegalArgumentException("UIFactory has not been initialized");
    2
    throw new IllegalArgumentException("UIFactory has not been initialized");
    2
    throw new IllegalArgumentException("Null IDataSetModel passed");
    Differences
    Expression1Expression2Difference
    "UIFactory has not been initialized""Null IDataSetModel passed"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("Null IDataSetModel passed");
                                
    3
    return src;
    Preondition Violations
    Unmatched statement return src; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return src;
    3
    return src;
    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.fw.datasetviewer.IDataSetModel of variable src
    2Unmatched statement return src; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched return src;
    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;