spark RpcAddress 源码
spark RpcAddress 代码
文件路径：/core/src/main/scala/org/apache/spark/rpc/RpcAddress.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.rpc
import org.apache.spark.util.Utils
/**
* Address for an RPC environment, with hostname and port.
*/
private[spark] case class RpcAddress(_host: String, port: Int) {
lazy val host: String = Utils.addBracketsIfNeeded(_host)
def hostPort: String = host + ":" + port
/** Returns a string in the form of "spark://host:port". */
def toSparkURL: String = "spark://" + hostPort
override def toString: String = hostPort
}
private[spark] object RpcAddress {
/** Return the [[RpcAddress]] represented by `uri`. */
def fromURIString(uri: String): RpcAddress = {
val uriObj = new java.net.URI(uri)
RpcAddress(uriObj.getHost, uriObj.getPort)
}
/** Returns the [[RpcAddress]] encoded in the form of "spark://host:port" */
def fromSparkURL(sparkUrl: String): RpcAddress = {
val (host, port) = Utils.extractHostPortFromSparkUrl(sparkUrl)
RpcAddress(host, port)
}
}
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