if (extendedMetaDataHolderCache != null) { EStructuralFeatureExtendedMetaData result = (EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature); if (result == null) { extendedMetaDataHolderCache.put(eStructuralFeature, result = createEStructuralFeatureExtendedMetaData(eStructuralFeature)); } return result; } else { EStructuralFeatureExtendedMetaData.Holder holder = (EStructuralFeatureExtendedMetaData.Holder)eStructuralFeature; EStructuralFeatureExtendedMetaData result = holder.getExtendedMetaData(); if (result == null) { holder.setExtendedMetaData(result = createEStructuralFeatureExtendedMetaData(eStructuralFeature)); } return result; }
if (extendedMetaDataHolderCache != null) { EPackageExtendedMetaData result = (EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage); if (result == null) { extendedMetaDataHolderCache.put(ePackage, result = createEPackageExtendedMetaData(ePackage)); } return result; } else { EPackageExtendedMetaData.Holder holder = (EPackageExtendedMetaData.Holder)ePackage; EPackageExtendedMetaData result = holder.getExtendedMetaData(); if (result == null) { holder.setExtendedMetaData(result = createEPackageExtendedMetaData(ePackage)); } return result; }
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/util/BasicExtendedMetaData.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/util/BasicExtendedMetaData.java
Method name: EStructuralFeatureExtendedMetaData getExtendedMetaData(EStructuralFeature) Method name: EPackageExtendedMetaData getExtendedMetaData(EPackage)
Number of AST nodes: 10 Number of AST nodes: 10
1
if (extendedMetaDataHolderCache != null)
1
if (extendedMetaDataHolderCache != null)
2
    {
2
    {
3
      EStructuralFeatureExtendedMetaData result = (EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature);
3
      EPackageExtendedMetaData result = (EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage);
4
      if (result == null)
4
      if (result == null)
5
      {
5
      {
6
        extendedMetaDataHolderCache.put(eStructuralFeature, result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
6
        extendedMetaDataHolderCache.put(ePackage, result = createEPackageExtendedMetaData(ePackage));
7
      }
7
      }
8
      return result;
8
      return result;
9
    }
9
    }
10
    else
10
    else
11
    {
11
    {
12
      EStructuralFeatureExtendedMetaData.Holder holder = (EStructuralFeatureExtendedMetaData.Holder)eStructuralFeature;
12
      EPackageExtendedMetaData.Holder holder = (EPackageExtendedMetaData.Holder)e
13
      EStructuralFeatur
13
Package;
14
eExtendedMetaData result = holder.getExtendedMetaData();
14
      EPackageExtendedMetaData result = holder.getExtendedMetaData();
15
      if (result == null)
15
      if (result == null)
16
      {
16
      {
17
        holder.setExtendedMetaData(result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
17
        holder.setExtendedMetaData(result = createEPackageExtendedMetaData(ePackage));
18
      }
18
      }
19
      return result;
19
      return result;
20
    }
20
    }
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)0.4
Clones locationClones are declared in the same class
Number of node comparisons49
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment5
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)2.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (extendedMetaDataHolderCache != null)
    1
    if (extendedMetaDataHolderCache != null)
                                                                                                                                                                                                                  
    2
    EPackageExtendedMetaData result = (EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage);
    Preondition Violations
    Unmatched statement EPackageExtendedMetaData result=(EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    EPackageExtendedMetaData result = (EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage);
    2
    EStructuralFeatureExtendedMetaData result = (EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature);
    2
    EStructuralFeatureExtendedMetaData result = (EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature);
    Preondition Violations
    Unmatched statement EStructuralFeatureExtendedMetaData result=(EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                                                                                                                                              
    3
    if (result == null)
    3
    if (result == null)
    3
    if (result == null)
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaDataorg.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaDataVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    • Make classes org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData and org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData extend a common superclass
    3
    if (result == null)
    4
    extendedMetaDataHolderCache.put(eStructuralFeature, result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
    4
    extendedMetaDataHolderCache.put(eStructuralFeature, result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
    4
    extendedMetaDataHolderCache.put(ePackage, result = createEPackageExtendedMetaData(ePackage));
    Differences
    Expression1Expression2Difference
    eStructuralFeatureePackageVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EPackageVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.EStructuralFeature of variable eStructuralFeature does not match with type org.eclipse.emf.ecore.EPackage of variable ePackage
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EPackage extend a common superclass
    4
    extendedMetaDataHolderCache.put(ePackage, result = createEPackageExtendedMetaData(ePackage));
                                      
    5
    return result;
    5
    return result;
                                      
    else
    else
                                                                                                                                                                            
    6
    EPackageExtendedMetaData.Holder holder = (EPackageExtendedMetaData.Holder)ePackage;
    6
    EStructuralFeatureExtendedMetaData.Holder holder = (EStructuralFeatureExtendedMetaData.Holder)eStructuralFeature;
                                                                                                                                                                                                                                        
                                                                                                                                    
    7
    EPackageExtendedMetaData result = holder.getExtendedMetaData();
    7
    EStructuralFeatureExtendedMetaData result = holder.getExtendedMetaData();
                                                                                                                                                        
    8
    if (result == null)
    8
    if (result == null)
    8
    if (result == null)
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaDataorg.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaDataVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    • Make classes org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData and org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData extend a common superclass
    8
    if (result == null)
    9
    holder.setExtendedMetaData(result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
    9
    holder.setExtendedMetaData(result = createEStructuralFeatureExtendedMetaData(eStructuralFeature));
    9
    holder.setExtendedMetaData(result = createEPackageExtendedMetaData(ePackage));
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaDataorg.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaDataVARIABLE_TYPE_MISMATCH
    org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData.Holderorg.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData.HolderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    • Make classes org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData and org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData extend a common superclass
    Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData.Holder of variable holder does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData.Holder of variable holder
    • Make classes org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData.Holder and org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData.Holder extend a common superclass
    9
    holder.setExtendedMetaData(result = createEPackageExtendedMetaData(ePackage));
                                        
    10
    return result;
    10
    return result;
                                        
    Precondition Violations (8)
    Row Violation
    1Unmatched statement EPackageExtendedMetaData result=(EPackageExtendedMetaData)extendedMetaDataHolderCache.get(ePackage); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement EStructuralFeatureExtendedMetaData result=(EStructuralFeatureExtendedMetaData)extendedMetaDataHolderCache.get(eStructuralFeature); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    4Type org.eclipse.emf.ecore.EStructuralFeature of variable eStructuralFeature does not match with type org.eclipse.emf.ecore.EPackage of variable ePackage
    5Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    6Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData of variable result does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData of variable result
    7Type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EStructuralFeatureExtendedMetaData.Holder of variable holder does not match with type org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData.Holder of variable holder
    8Clone fragment #1 returns variables result, result , while Clone fragment #2 returns variables result, result