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Apache Solr (module: core)
/*
* 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
* UpdateRequestProcessorChain
that factories prior to the
* DistributingUpdateProcessorFactory
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";
}