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.carbondata.processing.loading.dictionary;
  
  import org.apache.carbondata.core.devapi.BiDictionary;
  import org.apache.carbondata.core.keygenerator.directdictionary.DirectDictionaryGenerator;
  
  /**
   * It is used for generating dictionary from value itself, like timestamp can be used directly as
   * dictionary.
   */
  public class DirectDictionary implements BiDictionary<Integer, Object> {
  
    private DirectDictionaryGenerator dictionaryGenerator;
  
    public DirectDictionary(DirectDictionaryGenerator dictionaryGenerator) {
      this.dictionaryGenerator = dictionaryGenerator;
    }
  
    @Override
    public Integer getOrGenerateKey(Object value) {
      Integer key = getKey(value);
      if (key == null) {
        throw new UnsupportedOperationException("trying to add new entry in DirectDictionary");
      }
      return key;
    }
  
    @Override
    public Integer getKey(Object value) {
      return dictionaryGenerator.generateDirectSurrogateKey(value.toString());
    }
  
    public Integer generateKey(long value) {
      return dictionaryGenerator.generateKey(value);
    }
  
    @Override
    public Object getValue(Integer key) {
      return dictionaryGenerator.getValueFromSurrogate(key);
    }
  
    @Override
    public int size() {
      return Integer.MAX_VALUE;
    }
  }
  