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/*
 * 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.druid.sql;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.calcite.plan.RelOptPlanner;
import org.apache.calcite.runtime.CalciteContextException;
import org.apache.calcite.sql.parser.SqlParseException;
import org.apache.calcite.tools.ValidationException;
import org.apache.druid.query.BadQueryException;

/**
 * An exception for SQL query planning failures.
 */
public class SqlPlanningException extends BadQueryException
{

  public enum PlanningError
  {
    SQL_PARSE_ERROR(SQL_PARSE_FAILED_ERROR_CODE, SqlParseException.class.getName()),
    VALIDATION_ERROR(PLAN_VALIDATION_FAILED_ERROR_CODE, ValidationException.class.getName()),
    UNSUPPORTED_SQL_ERROR(SQL_QUERY_UNSUPPORTED_ERROR_CODE, RelOptPlanner.CannotPlanException.class.getName());

    private final String errorCode;
    private final String errorClass;

    PlanningError(String errorCode, String errorClass)
    {
      this.errorCode = errorCode;
      this.errorClass = errorClass;
    }

    public String getErrorCode()
    {
      return errorCode;
    }

    public String getErrorClass()
    {
      return errorClass;
    }
  }

  public SqlPlanningException(SqlParseException e)
  {
    this(e, PlanningError.SQL_PARSE_ERROR, e.getMessage());
  }

  public SqlPlanningException(ValidationException e)
  {
    this(e, PlanningError.VALIDATION_ERROR, e.getMessage());
  }

  public SqlPlanningException(CalciteContextException e)
  {
    this(e, PlanningError.VALIDATION_ERROR, e.getMessage());
  }

  public SqlPlanningException(PlanningError planningError, String errorMessage)
  {
    this(null, planningError, errorMessage);
  }

  public SqlPlanningException(Throwable cause, PlanningError planningError, String errorMessage)
  {
    this(cause, planningError.errorCode, errorMessage, planningError.errorClass);
  }

  @JsonCreator
  private SqlPlanningException(
      @JsonProperty("error") String errorCode,
      @JsonProperty("errorMessage") String errorMessage,
      @JsonProperty("errorClass") String errorClass
  )
  {
    this(null, errorCode, errorMessage, errorClass);
  }

  private SqlPlanningException(
      Throwable cause,
      String errorCode,
      String errorMessage,
      String errorClass
  )
  {
    super(cause, errorCode, errorMessage, errorClass, null);
  }

}