/*
 * Licensed to ObjectStyle LLC under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ObjectStyle LLC 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 io.bootique.cayenne.v42;

import java.util.Collection;
import java.util.Objects;

/**
 * A simple merger that uses "last wins" strategy, returning the last collection passed to the method.
 */
public class CayenneConfigMerger {

    public Collection<String> merge(Collection<String> configs1, Collection<String> configs2) {
        return configs2 == null || configs2.isEmpty() ? Objects.requireNonNull(configs1) : configs2;
    }
}
