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.asterix.metadata.utils;
  
  import org.apache.asterix.common.metadata.DataverseName;
  import org.apache.asterix.metadata.declared.MetadataProvider;
  import org.apache.asterix.runtime.fulltext.AbstractFullTextFilterDescriptor;
  import org.apache.asterix.runtime.fulltext.FullTextConfigDescriptor;
  import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
  import org.apache.hyracks.storage.am.lsm.invertedindex.fulltext.IFullTextConfigEvaluatorFactory;
  
  import com.google.common.collect.ImmutableList;
  
  public class FullTextUtil {
      public static IFullTextConfigEvaluatorFactory fetchFilterAndCreateConfigEvaluator(MetadataProvider metadataProvider,
              String database, DataverseName dataverseName, String configName) throws AlgebricksException {
          FullTextConfigDescriptor configDescriptor =
                  metadataProvider.findFullTextConfig(database, dataverseName, configName).getFullTextConfig();
  
          ImmutableList.Builder<AbstractFullTextFilterDescriptor> filterDescriptorsBuilder = ImmutableList.builder();
          for (String filterName : configDescriptor.getFilterNames()) {
              filterDescriptorsBuilder
                      .add(metadataProvider.findFullTextFilter(database, dataverseName, filterName).getFullTextFilter());
          }
  
          return configDescriptor.createEvaluatorFactory(filterDescriptorsBuilder.build());
      }
  
  }
  