/*
* 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.update.processor;
/**
* A marker interface for denoting that a factory is responsible for handling
* distributed communication of updates across a SolrCloud cluster.
*
* @see UpdateRequestProcessorChain#init
* @see UpdateRequestProcessorChain#createProcessor
*/
public interface DistributingUpdateProcessorFactory {
/**
* Internal param used to specify the current phase of a distributed update,
* not intended for use by clients. Any non-blank value can be used to
* indicate to the <code>UpdateRequestProcessorChain</code> that factories
* prior to the <code>DistributingUpdateProcessorFactory</code> can be skipped.
* Implementations of this interface may use the non-blank values any way
* they wish.
*/
public static final String DISTRIB_UPDATE_PARAM = "update.distrib";
}