/*
 * 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.gobblin.data.management.copy.replication;

import java.util.List;

import com.google.common.base.Optional;

/**
 * Used to indicate the interface for generating the {@link CopyRoute} based on
 *
 * <ul>
 *  <li>{@link ReplicationConfiguration}
 *  <li>in Pull mode, the copy to {@link EndPoint}
 *  <li>in Push mode, the copy from {@link EndPoint}
 * </ul>
 * @author mitu
 *
 */
public interface CopyRouteGenerator {

  // implied for pull mode
  public Optional<CopyRoute> getPullRoute(ReplicationConfiguration rc, EndPoint copyTo);

  // implied for push mode
  public Optional<List<CopyRoute>> getPushRoutes(ReplicationConfiguration rc, EndPoint copyFrom);

}
