/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.db.record;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Container that contains information about all operations that were performed on collection starting from
* the time when it was loaded from DB.
*
* @param <K> Value that uniquely identifies position of element inside collection.
* @param <V> Value that is hold by collection.
*/
public class OMultiValueChangeTimeLine<K, V> {
private final List<OMultiValueChangeEvent<K, V>> multiValueChangeEvents = new ArrayList<OMultiValueChangeEvent<K, V>>();
/**
* @return <code>List</code> of all operations that were performed on collection starting from
* the time when it was loaded from DB.
*/
public List<OMultiValueChangeEvent<K, V>> getMultiValueChangeEvents() {
return Collections.unmodifiableList(multiValueChangeEvents);
}
/**
* Add new operation that was performed on collection to collection history.
*
* @param changeEvent Description of operation that was performed on collection.
*/
public void addCollectionChangeEvent(OMultiValueChangeEvent<K, V> changeEvent) {
multiValueChangeEvents.add(changeEvent);
}
}