/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.ignite.internal.metastorage.server;

/**
 * Represent an update event for particular key and entry.
 */
public class EntryEvent {
    /** Old (previous) entry. */
    private final Entry oldEntry;

    /** New (current) entry. */
    private final Entry entry;

    /**
     * Constructs event with given old and new entries.
     *
     * @param oldEntry Old entry.
     * @param curEntry New entry.
     */
    public EntryEvent(Entry oldEntry, Entry curEntry) {
        this.oldEntry = oldEntry;
        this.entry = curEntry;
    }

    /**
     * Returns old entry.
     *
     * @return Old entry.
     */
    public Entry oldEntry() {
        return oldEntry;
    }

    /**
     * Rreturns new entry.
     *
     * @return New entry.
     */
    public Entry entry() {
        return entry;
    }
}
