content: /**
   * 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.common.util.NamedList;
  import org.apache.solr.core.SolrCore;
  import org.apache.solr.request.SolrQueryRequest;
  import org.apache.solr.response.SolrQueryResponse;
  import org.apache.solr.util.plugin.NamedListInitializedPlugin;
  import org.apache.solr.util.plugin.SolrCoreAware;
  
  /**
   * A factory to generate an UpdateRequestProcessor for each request.  
   * 
   * If the factory needs access to {@link SolrCore} in initialization, it could 
   * implement {@link SolrCoreAware}
   * 
   * @since solr 1.3
   */
  public abstract class UpdateRequestProcessorFactory implements NamedListInitializedPlugin
  {    
    public void init( NamedList args )
    {
      // could process the Node
    }
    
    abstract public UpdateRequestProcessor getInstance( 
        SolrQueryRequest req, SolrQueryResponse rsp, UpdateRequestProcessor next );
  }
  