How to use

remove

method

in

org.eclipse.persistence.indirection.IndirectMap

public boolean remove(Object o){
  return (IndirectMap.this.remove(o) != null);
}

public boolean remove(Object o){
  if (!(o instanceof Map.Entry)) {
    return false;
  }
  return (IndirectMap.this.remove(((Map.Entry)o).getKey()) != null);
}

public boolean removeAll(Collection c){
  boolean result = false;
  for (Iterator cs = c.iterator(); cs.hasNext(); ){
    if (IndirectMap.this.remove(cs.next()) != null ) {
      result = true;
    }
  }
  return result;
}

public boolean removeAll(Collection c){
  boolean result = false;
  for (Iterator cs = c.iterator(); cs.hasNext(); ){
    Object object = cs.next();
    if ( ! (object instanceof Map.Entry)){
      continue;
    }
    Object removed = IndirectMap.this.remove(((Map.Entry)object).getKey());
    if (removed != null){
      result = true;
    }
  }
  return result;
}

@Override
public synchronized V merge(K key, V value, BiFunction<? super V,? super V,? extends V> remappingFunction) {
  // Must trigger add events if tracked or uow.
  if (hasTrackedPropertyChangeListener()) {
    V oldValue = get(key);
    V newValue = (oldValue == null) ? value : remappingFunction.apply(oldValue, value);
    if (newValue == null) {
      remove(key);
    } else {
      put(key, newValue);
    }
    return newValue;
  }
  return getDelegate().merge(key, value, remappingFunction);
}

@Override
public synchronized V computeIfPresent(K key, BiFunction<? super K,? super V,? extends V> remappingFunction) {
  // Must trigger add events if tracked or uow.
  if (hasTrackedPropertyChangeListener()) {
    if (get(key) != null) {
      V oldValue = get(key);
      V newValue = remappingFunction.apply(key, oldValue);
      if (newValue != null) {
        put(key, newValue);
        return newValue;
      }
      remove(key);
    }
    return null;
  }
  return getDelegate().computeIfPresent(key, remappingFunction);
}

@Override
public synchronized V compute(K key, BiFunction<? super K,? super V,? extends V> remappingFunction) {
  // Must trigger add events if tracked or uow.
  if (hasTrackedPropertyChangeListener()) {
    V oldValue = get(key);
    V newValue = remappingFunction.apply(key, oldValue);
    if (oldValue != null ) {
      if (newValue != null) {
       put(key, newValue);
       return newValue;
      }
      remove(key);
    } else {
      if (newValue != null) {
       put(key, newValue);
       return newValue;
      }
    }
    return null;
  }
  return getDelegate().compute(key, remappingFunction);
}