package org.apache.solr.search.xjoin;
/*
* 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.
*/
/**
* Interface for external process results.
*/
public interface XJoinResults<IdType> {
/**
* Get the external process result with given join id string.
*
* Note: you might need to convert the argument to the correct type.
*/
Object getResult(String joinIdStr);
/**
* Get an ordered (ascending) iterable of external process join ids (null is
* not a valid id).
*/
Iterable<IdType> getJoinIds();
}