How to use org.apache.wicket.util.collections

void putAllForCreate(final IntHashMap<V> m)
{
  for (Entry<V> entry : m.entrySet())
  {
    putForCreate(entry.getKey(), entry.getValue());
  }
}

/**
 * @see java.util.AbstractCollection#contains(java.lang.Object)
 */
public boolean contains(Object o)
{
  if (!(o instanceof Entry))
  {
    return false;
  }
  Entry e = (Entry)o;
  Entry candidate = getEntry(e.getKey());
  return candidate != null && candidate.equals(e);
}

/**
 * 
 * @param pageId
 */
private void removeWindowIndex(int pageId)
{
  Integer windowIndex = idToWindowIndex.remove(pageId);
  if (windowIndex != null)
  {
    windowIndexToPageId.remove(windowIndex);
  }
}

  /**
   * @see java.lang.Object#toString()
   */
  @Override
  public String toString()
  {
    return getKey() + "=" + getValue(); //$NON-NLS-1$
  }
}

/**
 * @see java.util.Map#isEmpty()
 */
@Override
public boolean isEmpty()
{
  return size() == 0;
}

@Override
public String name(int value)
{
  return mapValueToName.get(value);
}

/**
 * @see java.util.Map#containsKey(java.lang.Object)
 */
@Override
public boolean containsKey(final Object key)
{
  return findKey(0, key) != -1;
}

/**
 * @see IPageVersionManager#getVersions()
 */
public int getVersions()
{
  return changeListStack.size();
}

/**
 * Constructs an empty <tt>HashMap</tt> with the default initial capacity (16) and the default
 * load factor (0.75).
 */
@SuppressWarnings("unchecked")
public IntHashMap()
{
  loadFactor = DEFAULT_LOAD_FACTOR;
  threshold = (int)(DEFAULT_INITIAL_CAPACITY * DEFAULT_LOAD_FACTOR);
  table = new Entry[DEFAULT_INITIAL_CAPACITY];
  init();
}

/**
 * Constructs map with a single key and value pair.
 * 
 * @param key
 *            The key
 * @param value
 *            The value
 */
public MicroMap(final K key, final V value)
{
  put(key, value);
}

/**
 * @see IPageVersionManager#expireOldestVersion()
 */
public void expireOldestVersion()
{
  changeListStack.remove(0);
}

@Override
public BufferedWebResponse remove(Object key)
{
  Value removedValue;
  synchronized (this)
  {
    removedValue = (Value)super.remove(key);
  }
  return removedValue != null ? removedValue.response : null;
}

/**
 * @see java.util.AbstractCollection#remove(java.lang.Object)
 */
public boolean remove(Object o)
{
  return removeMapping(o) != null;
}

  @Override
  public int size()
  {
    return MicroMap.this.size();
  }
};

/**
 * 
 * @param pageId
 */
private void removeWindowIndex(int pageId)
{
  Integer windowIndex = idToWindowIndex.remove(pageId);
  if (windowIndex != null)
  {
    windowIndexToPageId.remove(windowIndex);
  }
}

@Override
public BufferedWebResponse remove(Object key)
{
  Value removedValue;
  synchronized (this)
  {
    removedValue = (Value)super.remove(key);
  }
  return removedValue != null ? removedValue.response : null;
}

  @Override
  public int size()
  {
    return MicroMap.this.size();
  }
};

  @Override
  public int size()
  {
    return MicroMap.this.size();
  }
};

  @Override
  public int size()
  {
    return MicroMap.this.size();
  }
};

/**
 * @return True if this MicroMap is full
 */
public boolean isFull()
{
  return size() == MAX_ENTRIES;
}