How to use

isUnique

method

in

org.eclipse.emf.ecore.EStructuralFeature

if (eStructuralFeature.isMany()) {
  List list = (List)value;
  if (eStructuralFeature.isUnique()) {
    Set<Object> t = new HashSet<>();
    for (Object v : list) {

/**
 * @since 4.2
 */
protected boolean treatAsUnique(EStructuralFeature feature)
{
 return feature.isUnique();
}

      + feature.getEType().getName() + " for feature " + feature.getName());
if (feature.isUnique()) {
  list.add(referencedObject);
} else {

@Override
protected boolean isUnique()
{
 return getEStructuralFeature().isUnique();
}

@Override
protected boolean isUnique()
{
 return getEStructuralFeature().isUnique();
}

if (isMany(entryFeature))
 if (entryFeature.isUnique())

public void add(int index, EStructuralFeature feature, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  Entry [] entries = (Entry[])data;
  for (int i = 0; i < size; ++i)
  {
   Entry entry = entries[i];
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    if (isFeatureMap ? entry.equals(object) : object == null ? entry.getValue() == null : object.equals(entry.getValue()))
    {
     throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
    }
   }
  }
 }
 doAdd(index, isFeatureMap ? (Entry)object : createEntry(feature, object));
}

public void add(int index, EStructuralFeature feature, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  Entry [] entries = (Entry[])data;
  for (int i = 0; i < size; ++i)
  {
   Entry entry = entries[i];
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    if (isFeatureMap ? entry.equals(object) : object == null ? entry.getValue() == null : object.equals(entry.getValue()))
    {
     throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
    }
   }
  }
 }
 doAdd(index, isFeatureMap ? (Entry)object : createEntry(feature, object));
}

public void add(int index, EStructuralFeature feature, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  for (int i = 0, size = delegateSize(); i < size; ++i)
  {
   Entry entry = delegateGet(i);
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    if (isFeatureMap ? entry.equals(object) : object == null ? entry.getValue() == null : object.equals(entry.getValue()))
    {
     throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
    }
   }
  }
 }
 doAdd(index, isFeatureMap ? (Entry)object : createEntry(feature, object));
}

public void add(int index, EStructuralFeature feature, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  for (int i = 0, size = delegateSize(); i < size; ++i)
  {
   Entry entry = delegateGet(i);
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    if (isFeatureMap ? entry.equals(object) : object == null ? entry.getValue() == null : object.equals(entry.getValue()))
    {
     throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
    }
   }
  }
 }
 doAdd(index, isFeatureMap ? (Entry)object : createEntry(feature, object));
}

if (isMany(entryFeature))
 if (entryFeature.isUnique())

public void add(EStructuralFeature feature, int index, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  Entry [] entries = (Entry[])data;
  for (int i = 0; i < size; ++i)
  {
   Entry entry = entries[i];
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    throw new IllegalArgumentException("The multiplicity constraint is violated");
   }
  }
 }
 doAdd(entryIndex(feature, index), isFeatureMap ? (Entry)object : createEntry(feature, object));
}

if (isMany(entryFeature))
 if (entryFeature.isUnique())

if (isMany(entryFeature))
 if (entryFeature.isUnique())

public void add(EStructuralFeature feature, int index, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  Entry [] entries = (Entry[])data;
  for (int i = 0; i < size; ++i)
  {
   Entry entry = entries[i];
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    throw new IllegalArgumentException("The multiplicity constraint is violated");
   }
  }
 }
 doAdd(entryIndex(feature, index), isFeatureMap ? (Entry)object : createEntry(feature, object));
}

public void add(EStructuralFeature feature, int index, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  for (int i = 0, size = delegateSize(); i < size; ++i)
  {
   Entry entry = delegateGet(i);
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    throw new IllegalArgumentException("The multiplicity constraint is violated");
   }
  }
 }
 doAdd(entryIndex(feature, index), isFeatureMap ? (Entry)object : createEntry(feature, object));
}

public void add(EStructuralFeature feature, int index, Object object)
{
 boolean isFeatureMap = FeatureMapUtil.isFeatureMap(feature);
 if (isMany(feature))
 {
  if (feature.isUnique() && contains(feature, object))
  {
   throw new IllegalArgumentException("The 'no duplicates' constraint is violated");
  }
 }
 else
 {
  FeatureMapUtil.Validator validator = FeatureMapUtil.getValidator(owner.eClass(), feature);
  for (int i = 0, size = delegateSize(); i < size; ++i)
  {
   Entry entry = delegateGet(i);
   if (validator.isValid(entry.getEStructuralFeature()))
   {
    throw new IllegalArgumentException("The multiplicity constraint is violated");
   }
  }
 }
 doAdd(entryIndex(feature, index), isFeatureMap ? (Entry)object : createEntry(feature, object));
}

if (isMany(entryFeature))
 if (entryFeature.isUnique() && contains(entryFeature, entry.getValue()))

if (isMany(feature))
 if (feature.isUnique() && contains(feature, object))

if (isMany(feature))
 if (feature.isUnique() && contains(feature, object))