if (listener == null) { throw new IllegalArgumentException("listener cannot be null"); } editSQLButton.addActionListener(listener);
if (alias == null) { throw new IllegalArgumentException("ISQLAlias == null"); } _aliasWinMgr.showModifyAliasInternalFrame(alias);
Clone fragments detected by clone detection tool
File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/db/ColumnListDialog.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/gui/WindowManager.java
Method name: void addEditSQLListener(ActionListener) Method name: void showModifyAliasInternalFrame(ISQLAlias)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (listener == null) {
1
if (alias == null)
2
   
2
      {
3
         throw new IllegalArgumentException("listener cannot be null");
3
         throw new IllegalArgumentException("ISQLAlias == null");
4
        }
4
      }
5
        editSQLButton.addActionListener(listener);
5
      _aliasWinMgr.showModifyAliasInternalFrame(alias);
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)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (listener == null)
    1
    if (listener == null)
    1
    if (alias == null)
    Differences
    Expression1Expression2Difference
    listeneraliasVARIABLE_NAME_MISMATCH
    java.awt.event.ActionListenernet.sourceforge.squirrel_sql.fw.sql.ISQLAliasVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.awt.event.ActionListener of variable listener does not match with type net.sourceforge.squirrel_sql.fw.sql.ISQLAlias of variable alias
    • Make classes java.awt.event.ActionListener and net.sourceforge.squirrel_sql.fw.sql.ISQLAlias extend a common superclass
    1
    if (alias == null)
    2
    throw new IllegalArgumentException("listener cannot be null");
    2
    throw new IllegalArgumentException("listener cannot be null");
    2
    throw new IllegalArgumentException("ISQLAlias == null");
    Differences
    Expression1Expression2Difference
    "listener cannot be null""ISQLAlias == null"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("ISQLAlias == null");
                                                                                                            
    3
    _aliasWinMgr.showModifyAliasInternalFrame(alias);
    Preondition Violations
    Unmatched statement _aliasWinMgr.showModifyAliasInternalFrame(alias); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    _aliasWinMgr.showModifyAliasInternalFrame(alias);
    3
    editSQLButton.addActionListener(listener);
    3
    editSQLButton.addActionListener(listener);
    Preondition Violations
    Unmatched statement editSQLButton.addActionListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                              
    Precondition Violations (3)
    Row Violation
    1Type java.awt.event.ActionListener of variable listener does not match with type net.sourceforge.squirrel_sql.fw.sql.ISQLAlias of variable alias
    2Unmatched statement _aliasWinMgr.showModifyAliasInternalFrame(alias); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement editSQLButton.addActionListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted