com.phloc.commons.tree.withid.ITreeItemWithIDFactory Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.phloc.commons.tree.withid;
import javax.annotation.Nonnull;
import com.phloc.commons.factory.IHierarchicalFactoryWithParameter;
import com.phloc.commons.factory.IHierarchicalRootFactory;
/**
* A factory interface that creates tree items.
*
* @author Philip Helger
* @param
* The key type.
* @param
* The value type to be contained in tree items.
*/
public interface ITreeItemWithIDFactory > extends
IHierarchicalFactoryWithParameter ,
IHierarchicalRootFactory
{
/**
* {@inheritDoc}
*/
@Nonnull
ITEMTYPE createRoot ();
/**
* {@inheritDoc}
*/
ITEMTYPE create (@Nonnull ITEMTYPE aParent, @Nonnull KEYTYPE aDataID);
/**
* To be called once a tree item is removed from the owning tree. This method
* is mainly important for the tree with globally unique IDs.
*
* @param aItem
* The item that was removed.
*/
void onRemoveItem (@Nonnull ITEMTYPE aItem);
/**
* To be called once a tree item is added to the owning tree. This method is
* mainly important for the tree with globally unique IDs.
*
* @param aItem
* The item that was added.
*/
void onAddItem (@Nonnull ITEMTYPE aItem);
}