| /* |
| * 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.core.SolrCore; |
| import org.apache.solr.request.SolrQueryRequest; |
| import org.apache.solr.response.SolrQueryResponse; |
| import org.apache.solr.schema.FieldType; |
| import org.apache.solr.schema.IndexSchema; |
| import org.apache.solr.update.processor.FieldMutatingUpdateProcessor.FieldNameSelector; |
| |
| import static org.apache.solr.update.processor.FieldMutatingUpdateProcessor.mutator; |
| |
| /** |
| * Ignores & removes fields matching the specified |
| * conditions from any document being added to the index. |
| * |
| * <p> |
| * By default, this processor ignores any field name which does not |
| * exist according to the schema |
| * </p> |
| * |
| * <p> |
| * For example, in the configuration below, any field name which would cause |
| * an error because it does not exist, or match a dynamicField, in the |
| * schema.xml would be silently removed from any added documents... |
| * </p> |
| * |
| * <pre class="prettyprint"> |
| * <processor class="solr.IgnoreFieldUpdateProcessorFactory" /></pre> |
| * |
| * <p> |
| * In this second example, any field name ending in "_raw" found in a |
| * document being added would be removed... |
| * </p> |
| * <pre class="prettyprint"> |
| * <processor class="solr.IgnoreFieldUpdateProcessorFactory"> |
| * <str name="fieldRegex">.*_raw</str> |
| * </processor></pre> |
| * @since 4.0.0 |
| */ |
| public final class IgnoreFieldUpdateProcessorFactory extends FieldMutatingUpdateProcessorFactory { |
| |
| @Override |
| public UpdateRequestProcessor getInstance(SolrQueryRequest req, |
| SolrQueryResponse rsp, |
| UpdateRequestProcessor next) { |
| return mutator(getSelector(), next, src -> null); |
| |
| } |
| |
| @Override |
| public FieldNameSelector getDefaultSelector(final SolrCore core) { |
| return fieldName -> { |
| final IndexSchema schema = core.getLatestSchema(); |
| FieldType type = schema.getFieldTypeNoEx(fieldName); |
| return (null == type); |
| }; |
| } |
| |
| } |
| |