ConflictResolver.java

/*
 * Copyright 2010 Proofpoint, Inc.
 *
 * 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 io.airlift.discovery.store;

public class ConflictResolver
{
    public Entry resolve(Entry a, Entry b)
    {
        switch (a.getVersion().compare(b.getVersion())) {
            case BEFORE:
                return b;
            case AFTER:
                return a;
        }

        return a; // arbitrary
    }
}