Webprotected def logName = { // Ignore trailing $'s in the class names for Scala objects this.getClass.getName.stripSuffix ("$") } // Method to get or create the logger for this object protected def log: Logger = { if (log_ == null) { initializeLogIfNecessary (false) log_ = LoggerFactory.getLogger (logName) } log_ } WebThe uses cases and explanations are mostly taken from the Scala language specification. Note that operators +, -, etc.. are not always reserved symbols. They are identifiers that …
SparkSession - org.apache.spark.sql.SparkSession
WebA MatchIterator can also be converted into an iterator that returns objects of type scala.util.matching.Regex.Match , such as is normally returned by findAllMatchIn. Where potential matches overlap, the first possible match is returned, followed by the next match that follows the input consumed by the first match: WebFeb 10, 2014 · In Java protected member is accessible to both subclasses and the package in which the member is defined, in Scala, on the other hand, member is visible only to … small flower lids for casserols
Spark 3.4.0 ScalaDoc - org.apache.spark.sql.DataFrameReader
We explained in our previous example that classes with a private constructor could not be extended. But what if we want to maintain constructor privacy and still be able to extend that class? We can do this using protectedconstructors. Protected constructors are similar to private constructors, in that their … See more Constructors in Scala describe special methods used to initialize objects. When an object of that class needs to be created, it calls the … See more We use private constructors when we want to prevent the instantiation of our class by directly calling the newkeyword, but instead, provide … See more Constructors define the basic blueprint of a class and may enforce the existence of some values for object creation: We just defined a class Employee and a constructor that takes two arguments: a name of type String … See more In this article, we’ve seen how to define constructors in Scala and restrict access to these constructors. We also discussed the difference between constructors marked as private and … See more WebNov 7, 2024 · Scala stands for Scalable Language. It is a multi-paradigm programming language. Scala language includes features of functional programming and object-oriented programming. It is a statically typed language. Its source code is compiled into bytecode and executed by Java virtual machine (JVM). Webdef relativeSD: Double // This formula for `p` came from org.apache.spark.sql.catalyst.expressions.aggregate.HyperLogLogPlusPlus:93 protected [ this] val p: Int = Math .ceil ( 2.0d * Math .log ( 1.106d / relativeSD) / Math .log ( 2.0d )).toInt require (p >= 4, "HLL requires at least 4 bits for addressing. Use a lower error, at most 39%.") small flower logo