spark KinesisExampleUtils 源码

2022-10-20
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spark KinesisExampleUtils 代码

文件路径：/connector/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisExampleUtils.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.examples.streaming

import scala.collection.JavaConverters._

import com.amazonaws.regions.RegionUtils
import com.amazonaws.services.kinesis.AmazonKinesis

private[streaming] object KinesisExampleUtils {
  def getRegionNameByEndpoint(endpoint: String): String = {
    val uri = new java.net.URI(endpoint)
    RegionUtils.getRegionsForService(AmazonKinesis.ENDPOINT_PREFIX)
      .asScala
      .find(_.getAvailableEndpoints.asScala.toSeq.contains(uri.getHost))
      .map(_.getName)
      .getOrElse(
        throw new IllegalArgumentException(s"Could not resolve region for endpoint: $endpoint"))
  }
}

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