spark package 源码
spark package 代码
文件路径：/graphx/src/main/scala/org/apache/spark/graphx/package.scala
/*
* 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.spark
import org.apache.spark.util.collection.OpenHashSet
/**
* <span class="badge" style="float: right;">ALPHA COMPONENT</span>
* GraphX is a graph processing framework built on top of Spark.
*/
package object graphx {
/**
* A 64-bit vertex identifier that uniquely identifies a vertex within a graph. It does not need
* to follow any ordering or any constraints other than uniqueness.
*/
type VertexId = Long
/** Integer identifier of a graph partition. Must be less than 2^30. */
// TODO: Consider using Char.
type PartitionID = Int
private[graphx] type VertexSet = OpenHashSet[VertexId]
}
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