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# 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
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# specific language governing permissions and limitations
# under the License.
from abc import ABC, abstractmethod
from typing import Any


class BaseCommand(ABC):
    """
        Base class for all Command like Superset Logic objects
    """

    @abstractmethod
    def run(self) -> Any:
        """
        Run executes the command. Can raise command exceptions
        :raises: CommandException
        """

    @abstractmethod
    def validate(self) -> None:
        """
        Validate is normally called by run to validate data.
        Will raise exception if validation fails
        :raises: CommandException
        """