if (diffs == null) { throw new IllegalArgumentException("diffs cannot be null"); } _diffs = diffs;
if (plugin == null) { throw new IllegalArgumentException("Null IPlugin passed"); } return plugin.getClass().getClassLoader();
Clone fragments detected by clone detection tool
File path: /sql12/plugins/dbdiff/src/net/sourceforge/squirrel_sql/plugins/dbdiff/gui/ColumnDiffDialog.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/plugin/PluginResources.java
Method name: void RowHeaderTableModel(List) Method name: ClassLoader getClassLoader(IPlugin)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (diffs == null) { 
1
if (plugin == null)
2
		{
2
throw new IllegalArgumentException("diffs cannot be null"); }
3
			throw new IllegalArgumentException("
3
			_diffs = diffs
4
Null IPlugin passed");
5
		}
4
;
6
		return plugin.getClass().getClassLoader();
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 (diffs == null)
    1
    if (diffs == null)
    1
    if (plugin == null)
    Differences
    Expression1Expression2Difference
    diffspluginVARIABLE_NAME_MISMATCH
    java.util.Listnet.sourceforge.squirrel_sql.client.plugin.IPluginVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<net.sourceforge.squirrel_sql.plugins.dbdiff.ColumnDifference> of variable diffs does not match with type net.sourceforge.squirrel_sql.client.plugin.IPlugin of variable plugin
    • Make classes java.util.List and net.sourceforge.squirrel_sql.client.plugin.IPlugin extend a common superclass
    1
    if (plugin == null)
    2
    throw new IllegalArgumentException("diffs cannot be null");
    2
    throw new IllegalArgumentException("diffs cannot be null");
    2
    throw new IllegalArgumentException("Null IPlugin passed");
    Differences
    Expression1Expression2Difference
    "diffs cannot be null""Null IPlugin passed"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("Null IPlugin passed");
                                                                                              
    3
    return plugin.getClass().getClassLoader();
    Preondition Violations
    Unmatched statement return plugin.getClass().getClassLoader(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched return plugin.getClass().getClassLoader();
    3
    return plugin.getClass().getClassLoader();
    3
    _diffs = diffs;
    3
    _diffs = diffs;
    Preondition Violations
    Unmatched statement _diffs=diffs; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                    
    Precondition Violations (5)
    Row Violation
    1Type java.util.List<net.sourceforge.squirrel_sql.plugins.dbdiff.ColumnDifference> of variable diffs does not match with type net.sourceforge.squirrel_sql.client.plugin.IPlugin of variable plugin
    2Unmatched statement return plugin.getClass().getClassLoader(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched return plugin.getClass().getClassLoader();
    4Unmatched statement _diffs=diffs; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.plugins.dbdiff.gui.ColumnDiffDialog.RowHeaderTableModel and net.sourceforge.squirrel_sql.client.plugin.PluginResources do not have a common superclass