content: package org.apache.solr.schema;
  
  /*
   * 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.
   */
  
  import org.apache.lucene.index.IndexReader;
  import org.apache.solr.search.function.DocValues;
  import org.apache.solr.search.function.FieldCacheSource;
  import org.apache.solr.search.function.StringIndexDocValues;
  
  import java.io.IOException;
  import java.util.Map;
  
  public class StrFieldSource extends FieldCacheSource {
  
    public StrFieldSource(String field) {
      super(field);
    }
  
    @Override
    public String description() {
      return "str(" + field + ')';
    }
  
    @Override
    public DocValues getValues(Map context, IndexReader reader) throws IOException {
      return new StringIndexDocValues(this, reader, field) {
        @Override
        protected String toTerm(String readableValue) {
          return readableValue;
        }
  
        @Override
        public float floatVal(int doc) {
          return (float)intVal(doc);
        }
  
        @Override
        public int intVal(int doc) {
          int ord=order[doc];
          return ord;
        }
  
        @Override
        public long longVal(int doc) {
          return (long)intVal(doc);
        }
  
        @Override
        public double doubleVal(int doc) {
          return (double)intVal(doc);
        }
  
        @Override
        public String strVal(int doc) {
          int ord=order[doc];
          return lookup[ord];
        }
  
        @Override
        public String toString(int doc) {
          return description() + '=' + strVal(doc);
        }
      };
    }
  
    @Override
    public boolean equals(Object o) {
      return o instanceof StrFieldSource
              && super.equals(o);
    }
  
    private static int hcode = SortableFloatFieldSource.class.hashCode();
    @Override
    public int hashCode() {
      return hcode + super.hashCode();
    };
  }
  