org.apache.spark.util.MemoryParam.scala Maven / Gradle / Ivy
/*
* 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
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*/
package org.apache.spark.util
/**
* An extractor object for parsing JVM memory strings, such as "10g", into an Int representing
* the number of megabytes. Supports the same formats as Utils.memoryStringToMb.
*/
private[spark] object MemoryParam {
def unapply(str: String): Option[Int] = {
try {
Some(Utils.memoryStringToMb(str))
} catch {
case e: NumberFormatException => None
}
}
}