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.calcite.adapter.pig;
  
  import org.apache.calcite.sql.type.SqlTypeName;
  
  import org.apache.pig.data.DataType;
  
  import static org.apache.calcite.sql.type.SqlTypeName.VARCHAR;
  
  /**
   * Supported Pig data types and their Calcite counterparts.
   */
  public enum PigDataType {
  
    CHARARRAY(DataType.CHARARRAY, VARCHAR);
  
    private final byte pigType; // Pig defines types using bytes
    private final SqlTypeName sqlType;
  
    PigDataType(byte pigType, SqlTypeName sqlType) {
      this.pigType = pigType;
      this.sqlType = sqlType;
    }
  
    public byte getPigType() {
      return pigType;
    }
  
    public SqlTypeName getSqlType() {
      return sqlType;
    }
  
    public static PigDataType valueOf(byte pigType) {
      for (PigDataType pigDataType : values()) {
        if (pigDataType.pigType == pigType) {
          return pigDataType;
        }
      }
      throw new IllegalArgumentException(
          "Pig data type " + DataType.findTypeName(pigType) + " is not supported");
    }
  
    public static PigDataType valueOf(SqlTypeName sqlType) {
      for (PigDataType pigDataType : values()) {
        if (pigDataType.sqlType == sqlType) {
          return pigDataType;
        }
      }
      throw new IllegalArgumentException("SQL data type " + sqlType + " is not supported");
    }
  }
  