if (subFolder == null) { throw new IllegalArgumentException("Null Folder passed"); } _subFolders.add(subFolder);
if (listener == null) { throw new IllegalArgumentException("listener cannot be null"); } listeners.add(listener);
Clone fragments detected by clone detection tool
File path: /sql12/plugins/favs/src/net/sourceforge/squirrel_sql/plugins/favs/Folder.java File path: /sql12/plugins/dbcopy/src/net/sourceforge/squirrel_sql/plugins/dbcopy/CopyExecutor.java
Method name: void addSubFolder(Folder) Method name: void addListener(CopyTableListener)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (subFolder == null) {
1
if (listener == null) {
2
			throw new IllegalArgumentException("Null Folder passed");
2
            throw new IllegalArgumentException("
3
		}
4
		_subFold
3
listener cannot be null");
4
        }
5
ers.add(subFolder);
5
        listeners.add(listener);
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 (subFolder == null)
    1
    if (subFolder == null)
    1
    if (listener == null)
    Differences
    Expression1Expression2Difference
    subFolderlistenerVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.favs.Foldernet.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.plugins.favs.Folder of variable subFolder does not match with type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener
    • Make classes net.sourceforge.squirrel_sql.plugins.favs.Folder and net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener extend a common superclass
    1
    if (listener == null)
    2
    throw new IllegalArgumentException("Null Folder passed");
    2
    throw new IllegalArgumentException("Null Folder passed");
    2
    throw new IllegalArgumentException("listener cannot be null");
    Differences
    Expression1Expression2Difference
    "Null Folder passed""listener cannot be null"LITERAL_VALUE_MISMATCH
    2
    throw new IllegalArgumentException("listener cannot be null");
    3
    _subFolders.add(subFolder);
    3
    _subFolders.add(subFolder);
    3
    listeners.add(listener);
    Differences
    Expression1Expression2Difference
    subFolderlistenerVARIABLE_NAME_MISMATCH
    net.sourceforge.squirrel_sql.plugins.favs.Foldernet.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListenerVARIABLE_TYPE_MISMATCH
    _subFolderslistenersVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.ArrayListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type net.sourceforge.squirrel_sql.plugins.favs.Folder of variable subFolder does not match with type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener
    • Make classes net.sourceforge.squirrel_sql.plugins.favs.Folder and net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener extend a common superclass
    Type java.util.List<net.sourceforge.squirrel_sql.plugins.favs.Folder> of variable _subFolders does not match with type java.util.ArrayList<net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener> of variable listeners
    • Make classes java.util.List and java.util.ArrayList extend a common superclass
    3
    listeners.add(listener);
    Precondition Violations (4)
    Row Violation
    1Type net.sourceforge.squirrel_sql.plugins.favs.Folder of variable subFolder does not match with type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener
    2Type net.sourceforge.squirrel_sql.plugins.favs.Folder of variable subFolder does not match with type net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener of variable listener
    3Type java.util.List<net.sourceforge.squirrel_sql.plugins.favs.Folder> of variable _subFolders does not match with type java.util.ArrayList<net.sourceforge.squirrel_sql.plugins.dbcopy.event.CopyTableListener> of variable listeners
    4The refactoring of the clones is infeasible, because classes net.sourceforge.squirrel_sql.plugins.favs.Folder and net.sourceforge.squirrel_sql.plugins.dbcopy.CopyExecutor do not have a common superclass