if (stoppingMessage != null) {// TODO - how can this be null? stoppingMessage.show(); }
if (dirContext != null) { dirContext.close(); dirContext = null; }
Clone fragments detected by clone detection tool
File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/gui/MainFrame.java File path: /jakarta-jmeter-2.3.2/src/org/apache/jmeter/protocol/ldap/sampler/LdapClient.java
Method name: void run() Method name: void disconnect()
Number of AST nodes: 2 Number of AST nodes: 3
1
if (stoppingMessage != null) {// TODO - how can this be null?
1
if (
2
					stoppingMessage.show();
3
	
2
dirContext != null) {
3
				dirContext.close();
4
				dirContext = null;
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 comparisons6
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)11.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (stoppingMessage != null)
    1
    if (stoppingMessage != null)
    2
    if (dirContext != null)
    Differences
    Expression1Expression2Difference
    stoppingMessagedirContextVARIABLE_NAME_MISMATCH
    javax.swing.JDialogjavax.naming.directory.DirContextVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.swing.JDialog of variable stoppingMessage does not match with type javax.naming.directory.DirContext of variable dirContext
    • Make classes javax.swing.JDialog and javax.naming.directory.DirContext extend a common superclass
    2
    if (dirContext != null)
    2
    stoppingMessage.show();
    2
    stoppingMessage.show();
    3
    dirContext.close();
    Differences
    Expression1Expression2Difference
    showcloseMETHOD_INVOCATION_NAME_MISMATCH
    stoppingMessagedirContextVARIABLE_NAME_MISMATCH
    javax.swing.JDialogjavax.naming.directory.DirContextVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression stoppingMessage.show() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression dirContext.close() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression stoppingMessage.show() is a void method call, and thus it cannot be parameterized
    Expression dirContext.close() is a void method call, and thus it cannot be parameterized
    Type javax.swing.JDialog of variable stoppingMessage does not match with type javax.naming.directory.DirContext of variable dirContext
    • Make classes javax.swing.JDialog and javax.naming.directory.DirContext extend a common superclass
    3
    dirContext.close();
                                          
    4
    dirContext = null;
    Preondition Violations
    Unmatched statement dirContext=null; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4
    dirContext = null;
    Precondition Violations (8)
    Row Violation
    1Type javax.swing.JDialog of variable stoppingMessage does not match with type javax.naming.directory.DirContext of variable dirContext
    2Expression stoppingMessage.show() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression dirContext.close() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression stoppingMessage.show() is a void method call, and thus it cannot be parameterized
    5Expression dirContext.close() is a void method call, and thus it cannot be parameterized
    6Type javax.swing.JDialog of variable stoppingMessage does not match with type javax.naming.directory.DirContext of variable dirContext
    7Unmatched statement dirContext=null; cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8The refactoring of the clones is infeasible, because classes and org.apache.jmeter.protocol.ldap.sampler.LdapClient do not have a common superclass