blob: f6144f43d27c08a56ebdd9ba4ae3d075ff2c238f [file] [log] [blame]
#!/usr/bin/env python
#
# Copyright 2011 Google Inc.
#
# Licensed 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.
"""Map Reduce framework errors."""
__all__ = [
"BadCombinerOutputError",
"BadParamsError",
"BadReaderParamsError",
"BadWriterParamsError",
"BadYamlError",
"Error",
"MissingYamlError",
"MultipleDocumentsInMrYaml",
"ShuffleServiceError",
]
class Error(Exception):
"""Base-class for exceptions in this module."""
class BadYamlError(Error):
"""Raised when the mapreduce.yaml file is invalid."""
class MissingYamlError(BadYamlError):
"""Raised when the mapreduce.yaml file could not be found."""
class MultipleDocumentsInMrYaml(BadYamlError):
"""There's more than one document in mapreduce.yaml file."""
class BadParamsError(Error):
"""One of the mapper parameters is invalid."""
class BadReaderParamsError(BadParamsError):
"""The input parameters to a reader were invalid."""
class BadWriterParamsError(BadParamsError):
"""The input parameters to a reader were invalid."""
class ShuffleServiceError(Error):
"""Error doing shuffle through shuffle service."""
class BadCombinerOutputError(Error):
"""Combiner outputs data instead of yielding it."""