Source code for graphscope.analytical.app.sssp

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright 2020 Alibaba Group Holding Limited. All Rights Reserved.
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# 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
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# Unless required by applicable law or agreed to in writing, software
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from graphscope.framework.app import AppAssets
from graphscope.framework.app import not_compatible_for

__all__ = [
    "sssp",
    "property_sssp",
]


[docs]@not_compatible_for("arrow_property", "dynamic_property") def sssp(graph, src=0): """Compute single source shortest path on the `graph`. Args: graph (:class:`Graph`): A projected simple graph. src (int, optional): The source vertex. Defaults to 0. Returns: :class:`VertexDataContext`: A context with each vertex assigned with the shortest distance from the src. Examples: .. code:: python import graphscope as gs s = gs.session() g = s.load_from('The parameters for loading a graph...') pg = g.project_to_simple(v_label='vlabel', e_label='elabel', v_prop=None, e_prop='distance') r = gs.sssp(pg, src=0) s.close() """ return AppAssets(algo="sssp")(graph, src)
@not_compatible_for("dynamic_property", "arrow_projected", "dynamic_projected") def property_sssp(graph, src=0): """Compute single source shortest path on graph G. Args: graph (Graph): a property graph. src (int, optional): the source. Defaults to 0. Returns: A context with each vertex assigned with the shortest distance from the src. """ return AppAssets(algo="property_sssp")(graph, src)