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.core.service.impl;
  
  import java.util.UUID;
  
  import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
  import org.apache.carbondata.core.service.ColumnUniqueIdService;
  
  /**
   * It returns unique id given column
   */
  public class ColumnUniqueIdGenerator implements ColumnUniqueIdService {
  
    private static ColumnUniqueIdService columnUniqueIdService = new ColumnUniqueIdGenerator();
  
    @Override
    public String generateUniqueId(ColumnSchema columnSchema) {
      return UUID.randomUUID().toString();
    }
  
    public static ColumnUniqueIdService getInstance() {
      return columnUniqueIdService;
    }
  
  }
  