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Diffstat (limited to 'core/src/main/scala/org/apache/spark/util/MemoryParam.scala')
-rw-r--r-- | core/src/main/scala/org/apache/spark/util/MemoryParam.scala | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/util/MemoryParam.scala b/core/src/main/scala/org/apache/spark/util/MemoryParam.scala new file mode 100644 index 0000000000..0ee6707826 --- /dev/null +++ b/core/src/main/scala/org/apache/spark/util/MemoryParam.scala @@ -0,0 +1,34 @@ +/* + * 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.util + +import org.apache.spark.Utils + +/** + * 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 + } + } +} |