if (null != implementationVersion) { if (null == otherImplementationVersion || !implementationVersion.equals(otherImplementationVersion)) { return REQUIRE_IMPLEMENTATION_CHANGE; } }
if (null != specificationVersion) { if (null == otherSpecificationVersion || !isCompatible(specificationVersion, otherSpecificationVersion)) { return REQUIRE_SPECIFICATION_UPGRADE; } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Specification.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Specification.java
Method name: Compatibility getCompatibilityWith(Specification) Method name: Compatibility getCompatibilityWith(Specification)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (null != implementationVersion) {
1
if (null != specificationVersion) {
2
            if (null == otherImplementationVersion
2
            if (null == otherSpecificationVersion
3
                || !implementationVersion.equals(otherImplementationVersion)) {
3
                || !isCompatible(specificationVersion, otherSpecificationVersion)) {
4
                return REQUIRE_IMPLEMENTATION_CHANGE;
4
                return REQUIRE_SPECIFICATION_UPGRADE;
5
            }
5
            }
6
        }
6
        }
Summary
Number of common nesting structure subtrees0
Number of refactorable cases0
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in the same method
Number of node comparisons1