if (rc == null) { return; } resources = (resources == null) ? new FileUnion() : resources; resources.add(rc);
if (rc == null) { return; } resources = resources == null ? new Union() : resources; resources.add(rc);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/condition/ResourcesMatch.java
Method name: void add(ResourceCollection) Method name: void add(ResourceCollection)
Number of AST nodes: 4 Number of AST nodes: 4
1
if (rc == null) {
1
if (rc == null) {
2
            return;
2
            return;
3
        }
3
        }
4
        resources = (resources == null) ? new FileUnion() : resources;
4
        resources = resources == null ? new Union() : resources;
5
        resources.add(rc);
5
        resources.add(rc);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons6
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (rc == null)
    1
    if (rc == null)
    2
    return;
    2
    return;
    3
    resources = (resources == null) ? new FileUnion() : resources;
    3
    resources = (resources == null) ? new FileUnion() : resources;
    3
    resources = resources == null ? new Union() : resources;
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.Checksum.FileUnionorg.apache.tools.ant.types.resources.UnionSUBCLASS_TYPE_MISMATCH
    (resources == null)resources == nullTYPE_COMPATIBLE_REPLACEMENT
    org.apache.tools.ant.taskdefs.Checksum.FileUnionorg.apache.tools.ant.types.resources.UnionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.taskdefs.Checksum.FileUnionorg.apache.tools.ant.types.resources.UnionSUBCLASS_TYPE_MISMATCH
    3
    resources = resources == null ? new Union() : resources;
    4
    resources.add(rc);
    4
    resources.add(rc);
    4
    resources.add(rc);
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.Checksum.FileUnionorg.apache.tools.ant.types.resources.UnionSUBCLASS_TYPE_MISMATCH
    4
    resources.add(rc);
    Precondition Violations (0)
    Row Violation