/*
* 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.solr.handler.component;
import java.util.List;
import org.apache.solr.common.cloud.Replica;
import org.apache.solr.common.params.ShardParams;
public interface ReplicaListTransformer {
/**
* Transforms the passed in list of choices. Transformations can include (but are not limited to)
* reordering of elements (e.g. via shuffling) and removal of elements (i.e. filtering).
*
* @param choices - a list of choices to transform, typically the choices are {@link Replica} objects but choices
* can also be {@link String} objects such as URLs passed in via the {@link ShardParams#SHARDS} parameter.
*/
public void transform(List<?> choices);
}