if (listener == null) { throw new IllegalArgumentException("listener cannot be null"); } listeners.add(listener);
if (value == null) { throw new IllegalArgumentException("INodeExpander == null"); } _expanders.add(value);
Clone fragments detected by clone detection tool
File path: /sql12/plugins/dbcopy/src/net/sourceforge/squirrel_sql/plugins/dbcopy/CopyExecutor.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/session/mainpanel/objecttree/ObjectTreeNode.java
Method name: void addListener(CopyTableListener) Method name: void addExpander(INodeExpander)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (listener == null) {
1
if (value == null)
2
            
2
		{
3
throw new IllegalArgumentException("listener cannot be null");
3
			throw new IllegalArgumentException("
4
        }
5
        listeners.add(listener
4
INodeExpander == null");
5
		}
6
);
6
		_expanders.add(value);
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 statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (listener == null)
    1
    if (listener == null)
    1
    if (value == null)
    Differences
    Expression1Expression2Difference
    listenervalueVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListenernet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpanderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander of variable value
    • Make classes net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander extend a common superclass
    1
    if (value == null)
    2
    throw new IllegalArgumentException("listener cannot be null");
    2
    throw new IllegalArgumentException("listener cannot be null");
    2
    throw new IllegalArgumentException("INodeExpander == null");
    Differences
    Expression1Expression2Difference
    "listener cannot be null""INodeExpander == null"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("INodeExpander == null");
    3
    listeners.add(listener);
    3
    listeners.add(listener);
    3
    _expanders.add(value);
    Differences
    Expression1Expression2Difference
    listenervalueVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListenernet.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpanderVARIABLE_TYPE_MISMATCH
    listeners_expandersVARIABLE_NAME_MISMATCH
    java.util.ArrayListjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander of variable value
    • Make classes net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander extend a common superclass
    Type java.util.ArrayList<net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener> of variable listeners does not match with type java.util.List<net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander> of variable _expanders
    • Make classes java.util.ArrayList and java.util.List extend a common superclass
    3
    _expanders.add(value);
    Precondition Violations (4)
    Row Violation
    1Type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander of variable value
    2Type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener does not match with type net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander of variable value
    3Type java.util.ArrayList<net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener> of variable listeners does not match with type java.util.List<net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.INodeExpander> of variable _expanders
    4The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.plugins.dbcopy.CopyExecutor and net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.ObjectTreeNode do not have a common superclass