for (String stmt : sql) { runSQL(session, stmt); }
for (FileWrapper sourceFile : files) { copyFile(sourceFile, toDir); }
Clone fragments detected by clone detection tool
File path: /sql12/test/external/net/sourceforge/squirrel_sql/fw/dialects/DialectExternalTest.java File path: /sql12/app/src/net/sourceforge/squirrel_sql/client/update/UpdateUtilImpl.java
Method name: void runSQL(ISession, List) Method name: void copyFiles(List, FileWrapper)
Number of AST nodes: 2 Number of AST nodes: 2
1
for (String stmt : sql) {
1
for (
2
         runSQL(session, stmt);
3
      
2
FileWrapper sourceFile : files)
3
		{
4
			copyFile(sourceFile, toDir);
4
}
5
		}
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 comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    for (String stmt : sql)
    1
    for (String stmt : sql)
    1
    for (FileWrapper sourceFile : files)
    Differences
    Expression1Expression2Difference
    java.lang.Stringnet.sourceforge.squirrel_sql.fw.util.FileWrapperVARIABLE_TYPE_MISMATCH
    sqlfilesVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String does not match with type net.sourceforge.squirrel_sql.fw.util.FileWrapper
    • Make classes java.lang.String and net.sourceforge.squirrel_sql.fw.util.FileWrapper extend a common superclass
    Type java.util.List<java.lang.String> of variable sql does not match with type java.util.List<net.sourceforge.squirrel_sql.fw.util.FileWrapper> of variable files
    • Make classes java.util.List and java.util.List extend a common superclass
    1
    for (FileWrapper sourceFile : files)
                                                                
    2
    copyFile(sourceFile, toDir);
    Preondition Violations
    Unmatched statement copyFile(sourceFile,toDir); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement copyFile(sourceFile,toDir); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    2
    copyFile(sourceFile, toDir);
    2
    runSQL(session, stmt);
    2
    runSQL(session, stmt);
    Preondition Violations
    Unmatched statement runSQL(session,stmt); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement runSQL(session,stmt); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                    
    Precondition Violations (8)
    Row Violation
    1Type java.lang.String does not match with type net.sourceforge.squirrel_sql.fw.util.FileWrapper
    2Type java.util.List<java.lang.String> of variable sql does not match with type java.util.List<net.sourceforge.squirrel_sql.fw.util.FileWrapper> of variable files
    3Unmatched statement copyFile(sourceFile,toDir); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement copyFile(sourceFile,toDir); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    5Unmatched statement runSQL(session,stmt); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Unmatched statement runSQL(session,stmt); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    7Clone fragment #1 returns variable stmt with type java.lang.String , while Clone fragment #2 returns variable sourceFile with type net.sourceforge.squirrel_sql.fw.util.FileWrapper
    8The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero