/*
* 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;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;
/**
* A No-Op implementation of DistributingUpdateProcessorFactory that
* allways returns null.
* <p>
* This implementation may be useful for Solr installations in which neither
* the <code>{@link DistributedUpdateProcessorFactory}</code> nor any custom
* implementation of <code>{@link DistributingUpdateProcessorFactory}</code>
* is desired (ie: shards are managed externally from Solr)
* </p>
*/
public class NoOpDistributingUpdateProcessorFactory
extends UpdateRequestProcessorFactory
implements DistributingUpdateProcessorFactory {
/** Returns null
*/
@Override
public UpdateRequestProcessor getInstance(SolrQueryRequest req,
SolrQueryResponse rsp,
UpdateRequestProcessor next ) {
return null;
}
}