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Java library with file based DAO handling
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/**
* Copyright (C) 2014-2021 Philip Helger (www.helger.com)
* philip[at]helger[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.helger.dao.wal;
import java.io.Serializable;
import javax.annotation.Nonnull;
import com.helger.commons.id.IHasID;
/**
* Simple version of the DAO callback that calls {@link #onChange(IHasID)} for
* all actions on all items.
*
* @author Philip Helger
* @param
* The interface typed used by the DAO.
*/
public interface IDAOChangeSimpleCallback & Serializable> extends IDAOChangeCallback
{
/**
* Called after an item was created, deleted or changed.
*
* @param aItem
* The effected item. Never null
.
*/
void onChange (@Nonnull final INTERFACETYPE aItem);
/**
* Called after a new item was created.
*
* @param aNewItem
* The newly created item. Never null
.
*/
@Override
default void onCreateItem (@Nonnull final INTERFACETYPE aNewItem)
{
onChange (aNewItem);
}
/**
* Called after an item was updated.
*
* @param aItem
* The updated item. Never null
.
*/
@Override
default void onUpdateItem (@Nonnull final INTERFACETYPE aItem)
{
onChange (aItem);
}
/**
* Called after an item was removed.
*
* @param aItem
* The removed item. Never null
.
*/
@Override
default void onDeleteItem (@Nonnull final INTERFACETYPE aItem)
{
onChange (aItem);
}
/**
* Called after an item was marked as deleted (but is still present - special
* case of update!).
*
* @param aItem
* The item that was marked as deleted. Never null
.
*/
@Override
default void onMarkItemDeleted (@Nonnull final INTERFACETYPE aItem)
{
onChange (aItem);
}
/**
* Called after an item was marked as undeleted.
*
* @param aItem
* The item that was marked as not deleted anymore. Never
* null
.
*/
@Override
default void onMarkItemUndeleted (@Nonnull final INTERFACETYPE aItem)
{
onChange (aItem);
}
}