while (tasksToRun != null && tasksToRun.hasMoreElements()) { RExecSubTask task = (RExecSubTask) tasksToRun.nextElement(); if (task instanceof RExecRead && defaultTimeout != null) { ((RExecRead) task).setDefaultTimeout(defaultTimeout); } task.execute(rexec); }
while (tasksToRun != null && tasksToRun.hasMoreElements()) { TelnetSubTask task = (TelnetSubTask) tasksToRun.nextElement(); if (task instanceof TelnetRead && defaultTimeout != null) { ((TelnetRead) task).setDefaultTimeout(defaultTimeout); } task.execute(telnet); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/net/RExecTask.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/net/TelnetTask.java
Method name: void handleMultipleTasks(AntRExecClient) Method name: void execute()
Number of AST nodes: 5 Number of AST nodes: 5
1
while (tasksToRun != null && tasksToRun.hasMoreElements()) {
1
while (tasksToRun != null && tasksToRun.hasMoreElements()) {
2
            RExecSubTask task = (RExecSubTask) tasksToRun.nextElement();
2
               TelnetSubTask task = (TelnetSubTask) tasksToRun.nextElement();
3
            if (task instanceof RExecRead && defaultTimeout != null) {
3
               if (task instanceof TelnetRead && defaultTimeout != null) {
4
                ((RExecRead) task).setDefaultTimeout(defaultTimeout);
4
                   ((TelnetRead) task).setDefaultTimeout(defaultTimeout);
5
            }
5
             
6
  }
6
            task.execute(rexec);
7
               task.execute(
8
telnet);
7
        }
9
           }
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)0.4
Clones locationClones are in different classes having the same super class
Number of node comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    4
    while (tasksToRun != null && tasksToRun.hasMoreElements())
    15
    while (tasksToRun != null && tasksToRun.hasMoreElements())
    5
    RExecSubTask task = (RExecSubTask)tasksToRun.nextElement();
    5
    RExecSubTask task = (RExecSubTask)tasksToRun.nextElement();
    Preondition Violations
    Unmatched statement RExecSubTask task=(RExecSubTask)tasksToRun.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                                            
                                                                                                                                  
    16
    TelnetSubTask task = (TelnetSubTask)tasksToRun.nextElement();
    Preondition Violations
    Unmatched statement TelnetSubTask task=(TelnetSubTask)tasksToRun.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    16
    TelnetSubTask task = (TelnetSubTask)tasksToRun.nextElement();
    6
    if (task instanceof RExecRead && defaultTimeout != null)
    6
    if (task instanceof RExecRead && defaultTimeout != null)
    17
    if (task instanceof TelnetRead && defaultTimeout != null)
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTaskorg.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTaskVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask of variable task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask of variable task
    • Make classes org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask and org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask extend a common superclass
    17
    if (task instanceof TelnetRead && defaultTimeout != null)
    7
    ((RExecRead)task).setDefaultTimeout(defaultTimeout);
    7
    ((RExecRead)task).setDefaultTimeout(defaultTimeout);
    18
    ((TelnetRead)task).setDefaultTimeout(defaultTimeout);
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecReadorg.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetReadVARIABLE_TYPE_MISMATCH
    org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTaskorg.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTaskVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecRead of variable (RExecRead)task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetRead of variable (TelnetRead)task
    • Make classes org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecRead and org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetRead extend a common superclass
    Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask of variable task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask of variable task
    • Make classes org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask and org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask extend a common superclass
    18
    ((TelnetRead)task).setDefaultTimeout(defaultTimeout);
    8
    task.execute(rexec);
                                                  
                                                      
    19
    task.execute(telnet);
    Precondition Violations (5)
    Row Violation
    1Unmatched statement RExecSubTask task=(RExecSubTask)tasksToRun.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement TelnetSubTask task=(TelnetSubTask)tasksToRun.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask of variable task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask of variable task
    4Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecRead of variable (RExecRead)task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetRead of variable (TelnetRead)task
    5Type org.apache.tools.ant.taskdefs.optional.net.RExecTask.RExecSubTask of variable task does not match with type org.apache.tools.ant.taskdefs.optional.net.TelnetTask.TelnetSubTask of variable task