if (c == null) { return; } resources = (resources == null) ? new Resources() : resources; resources.add(c);
if (rc == null) { return; } resources = (resources == null) ? new FileUnion() : resources; resources.add(rc);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Length.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java
Method name: void add(ResourceCollection) Method name: void add(ResourceCollection)
Number of AST nodes: 4 Number of AST nodes: 4
1
if (c == null) {
1
if (rc == null) {
2
            return;
2
            return;
3
        }
3
        }
4
        resources = (resources == null) ? new Resources() : resources;
4
        resources = (resources == null) ? new FileUnion() : resources;
5
        resources.add(c);
5
        resources.add(rc);
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 having the same super class
Number of node comparisons6
  1. {Non-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)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (c == null)
    1
    if (c == null)
    1
    if (rc == null)
    Differences
    Expression1Expression2Difference
    crcVARIABLE_NAME_MISMATCH
    1
    if (rc == null)
    2
    return;
    2
    return;
    3
    resources = (resources == null) ? new Resources() : resources;
    3
    resources = (resources == null) ? new Resources() : resources;
    3
    resources = (resources == null) ? new FileUnion() : resources;
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.resources.Resourcesorg.apache.tools.ant.taskdefs.Checksum.FileUnionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.resources.Resourcesorg.apache.tools.ant.taskdefs.Checksum.FileUnionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.resources.Resourcesorg.apache.tools.ant.taskdefs.Checksum.FileUnionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.resources.Resourcesorg.apache.tools.ant.taskdefs.Checksum.FileUnionSUBCLASS_TYPE_MISMATCH
    3
    resources = (resources == null) ? new FileUnion() : resources;
    4
    resources.add(c);
    4
    resources.add(c);
    4
    resources.add(rc);
    Differences
    Expression1Expression2Difference
    crcVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.resources.Resourcesorg.apache.tools.ant.taskdefs.Checksum.FileUnionSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression resources cannot be unified with expression resources , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public synchronized void add(org.apache.tools.ant.types.ResourceCollection)
    4
    resources.add(rc);
    Precondition Violations (1)
    Row Violation
    1Expression resources cannot be unified with expression resources , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public synchronized void add(org.apache.tools.ant.types.ResourceCollection)