if ( instance == null) { instance = new PluginManagerDialog(); } return instance;
if ( currentPath == null) { // fall back to default path currentPath = DefaultConfigDirectory.getDefaultPath(); } return currentPath;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/core/src/main/java/org/columba/core/gui/plugin/PluginManagerDialog.java File path: /columba-1.4-src/core/src/main/java/org/columba/core/config/DefaultConfigDirectory.java
Method name: PluginManagerDialog getInstance() Method name: File getCurrentPath()
Number of AST nodes: 3 Number of AST nodes: 3
1
if ( instance == null) {
1
if ( currentPath == null) {
2
			instance = new PluginManagerDialog
2
			// fall back to default path
3
();
3
			currentPath = DefaultConfigDirectory.getDefaultPath();
4
		}
4
		}
5

5
		return instance;
6
		return currentPath;
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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (instance == null)
    1
    if (instance == null)
    1
    if (currentPath == null)
    Differences
    Expression1Expression2Difference
    instancecurrentPathVARIABLE_NAME_MISMATCH
    org.columba.core.gui.plugin.PluginManagerDialogjava.io.FileSUBCLASS_TYPE_MISMATCH
    1
    if (currentPath == null)
    2
    instance = new PluginManagerDialog();
    2
    instance = new PluginManagerDialog();
    2
    currentPath = DefaultConfigDirectory.getDefaultPath();
    Differences
    Expression1Expression2Difference
    instancecurrentPathVARIABLE_NAME_MISMATCH
    org.columba.core.gui.plugin.PluginManagerDialogjava.io.FileSUBCLASS_TYPE_MISMATCH
    new PluginManagerDialog()DefaultConfigDirectory.getDefaultPath()TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression instance is a field being modified, and thus it cannot be parameterized
    Expression currentPath is a field being modified, and thus it cannot be parameterized
    2
    currentPath = DefaultConfigDirectory.getDefaultPath();
    3
    return instance;
    3
    return instance;
    3
    return currentPath;
    Differences
    Expression1Expression2Difference
    instancecurrentPathVARIABLE_NAME_MISMATCH
    org.columba.core.gui.plugin.PluginManagerDialogjava.io.FileSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression instance cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression currentPath cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    return currentPath;
    Precondition Violations (4)
    Row Violation
    1Expression instance is a field being modified, and thus it cannot be parameterized
    2Expression currentPath is a field being modified, and thus it cannot be parameterized
    3Expression instance cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression currentPath cannot be parameterized, because it has dependencies to/from statements that will be extracted