intg/src/main/python/apache_atlas/model/lineage.py

#!/usr/bin/env/python
#
# 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
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from apache_atlas.model.instance import AtlasBase
from apache_atlas.model.instance import AtlasEntityHeader
from apache_atlas.utils import type_coerce_dict
from apache_atlas.utils import type_coerce_list


class AtlasLineageInfo(AtlasBase):
    def __init__(self, attrs={}):
        AtlasBase.__init__(self, attrs)

        self.baseEntityGuid = attrs.get('baseEntityGuid')
        self.lineageDirection = attrs.get('lineageDirection')
        self.lineageDepth = attrs.get('lineageDepth')
        self.guidEntityMap = attrs.get('guidEntityMap')
        self.relations = attrs.get('relations')

    def type_coerce_attrs(self):
        super(AtlasLineageInfo, self).type_coerce_attrs()

        self.guidEntityMap = type_coerce_dict(self.guidEntityMap, AtlasEntityHeader)
        self.relations = type_coerce_list(self.relations, LineageRelation)


class LineageRelation(AtlasBase):
    def __init__(self, attrs):
        AtlasBase.__init__(self, attrs)

        self.fromEntityId = attrs.get('fromEntityId')
        self.toEntityId = attrs.get('toEntityId')
        self.relationshipId = attrs.get('relationshipId')