try { BaseResourceCollectionContainer c = (BaseResourceCollectionContainer) super.clone(); c.rc = new ArrayList(rc); c.coll = null; return c; } catch (CloneNotSupportedException e) { throw new BuildException(e); }
try { Path result = (Path) super.clone(); result.union = union == null ? union : (Union) union.clone(); return result; } catch (CloneNotSupportedException e) { throw new BuildException(e); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Path.java
Method name: Object clone() Method name: Object clone()
Number of AST nodes: 5 Number of AST nodes: 4
1
try {
1
try {
2
            BaseResourceCollectionContainer c
2
            
3
                = (BaseResourceCollectionContainer) super.clone();
3
Path result = (Path) super.clone();
4
            c.rc = new ArrayList(rc);
4
            
5
            c.coll = null;
5
result.union = union == null ? union : (Union) union.clone();
6
            return c;
6
            return result;
7
        } catch (CloneNotSupportedException e) {
7
        } catch (CloneNotSupportedException e) {
8
            throw new BuildException(e);
8
            throw new BuildException(e);
9
        }
9
        }
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 having the same super class
Number of node comparisons20
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    2
    BaseResourceCollectionContainer c = (BaseResourceCollectionContainer)super.clone();
    2
    BaseResourceCollectionContainer c = (BaseResourceCollectionContainer)super.clone();
    2
    Path result = (Path)super.clone();
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.types.resources.BaseResourceCollectionContainerorg.apache.tools.ant.types.PathSUBCLASS_TYPE_MISMATCH
    cresultVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.resources.BaseResourceCollectionContainerorg.apache.tools.ant.types.PathSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.resources.BaseResourceCollectionContainerorg.apache.tools.ant.types.PathSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (BaseResourceCollectionContainer)super.clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    Expression (Path)super.clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2
    Path result = (Path)super.clone();
                                                                                                                              
    3
    result.union = union == null ? union : (Union)union.clone();
    3
    c.rc = new ArrayList(rc);
                                                        
    4
    c.coll = null;
                                  
    5
    return c;
    5
    return c;
    4
    return result;
    Differences
    Expression1Expression2Difference
    cresultVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.resources.BaseResourceCollectionContainerorg.apache.tools.ant.types.PathSUBCLASS_TYPE_MISMATCH
    4
    return result;
    Precondition Violations (3)
    Row Violation
    1Expression (BaseResourceCollectionContainer)super.clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2Expression (Path)super.clone() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    3Clone fragment #1 returns variable c with type org.apache.tools.ant.types.resources.BaseResourceCollectionContainer , while Clone fragment #2 returns variable result with type org.apache.tools.ant.types.Path