| /* |
| * 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 java.util.Date; |
| |
| import org.apache.solr.request.SolrRequestInfo; |
| import org.apache.solr.request.SolrQueryRequest; |
| import org.apache.solr.response.SolrQueryResponse; |
| import org.apache.solr.common.params.CommonParams; // javadoc |
| |
| /** |
| * <p> |
| * An update processor that adds a newly generated <code>Date</code> value |
| * of "NOW" to any document being added that does not already have a value |
| * in the specified field. |
| * </p> |
| * |
| * <p> |
| * In the example configuration below, if a document does not contain a value |
| * in the <code>timestamp</code> field, a new <code>Date</code> will be |
| * generated and added as the value of that field. |
| * <br> |
| * |
| * <pre class="prettyprint"> |
| * <processor class="solr.TimestampUpdateProcessorFactory"> |
| * <str name="fieldName">timestamp</str> |
| * </processor> |
| * </pre> |
| * |
| * @see Date |
| * @see CommonParams#NOW |
| * @since 4.0.0 |
| */ |
| public class TimestampUpdateProcessorFactory |
| extends AbstractDefaultValueUpdateProcessorFactory { |
| |
| @Override |
| public UpdateRequestProcessor getInstance(SolrQueryRequest req, |
| SolrQueryResponse rsp, |
| UpdateRequestProcessor next ) { |
| return new DefaultValueUpdateProcessor(fieldName, next) { |
| @Override |
| public Object getDefaultValue() { |
| return SolrRequestInfo.getRequestInfo().getNOW(); |
| } |
| }; |
| } |
| } |
| |
| |
| |