abstract class MLWriter extends BaseReadWrite with Logging
Abstract class for utility classes that can save ML instances in Spark's internal format.
- Annotations
- @Since("1.6.0")
- Source
- ReadWrite.scala
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- MLWriter
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- BaseReadWrite
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Instance Constructors
- new MLWriter()
Type Members
- implicit class LogStringContext extends AnyRef
- Definition Classes
- Logging
Abstract Value Members
- abstract def saveImpl(path: String): Unit
save()handles overwriting and then calls this method.save()handles overwriting and then calls this method. Subclasses should override this method to implement the actual saving of the instance.- Attributes
- protected
- Annotations
- @Since("1.6.0")
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- def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
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- def initializeLogIfNecessary(isInterpreter: Boolean): Unit
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- def isTraceEnabled(): Boolean
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- def log: Logger
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- def logDebug(msg: => String, throwable: Throwable): Unit
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- def logDebug(entry: LogEntry, throwable: Throwable): Unit
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- def logDebug(entry: LogEntry): Unit
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- def logDebug(msg: => String): Unit
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- def logError(msg: => String, throwable: Throwable): Unit
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- def logError(entry: LogEntry, throwable: Throwable): Unit
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- def logError(entry: LogEntry): Unit
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- def logError(msg: => String): Unit
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- def logInfo(msg: => String, throwable: Throwable): Unit
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- def logInfo(entry: LogEntry, throwable: Throwable): Unit
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- def logInfo(entry: LogEntry): Unit
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- def logInfo(msg: => String): Unit
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- def logName: String
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- Logging
- def logTrace(msg: => String, throwable: Throwable): Unit
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- def logTrace(entry: LogEntry, throwable: Throwable): Unit
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- def logTrace(entry: LogEntry): Unit
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- Logging
- def logTrace(msg: => String): Unit
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- def logWarning(msg: => String, throwable: Throwable): Unit
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- def logWarning(entry: LogEntry, throwable: Throwable): Unit
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- def logWarning(entry: LogEntry): Unit
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- def logWarning(msg: => String): Unit
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- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- @IntrinsicCandidate() @native()
- final def notifyAll(): Unit
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- @IntrinsicCandidate() @native()
- def option(key: String, value: String): MLWriter.this.type
Adds an option to the underlying MLWriter.
Adds an option to the underlying MLWriter. See the documentation for the specific model's writer for possible options. The option name (key) is case-insensitive.
- Annotations
- @Since("2.3.0")
- val optionMap: Map[String, String]
Map to store extra options for this writer.
Map to store extra options for this writer.
- Attributes
- protected
- def overwrite(): MLWriter.this.type
Overwrites if the output path already exists.
Overwrites if the output path already exists.
- Annotations
- @Since("1.6.0")
- def save(path: String): Unit
Saves the ML instances to the input path.
Saves the ML instances to the input path.
- Annotations
- @Since("1.6.0") @throws("If the input path already exists but overwrite is not enabled.")
- final def sc: SparkContext
Returns the underlying
SparkContext.Returns the underlying
SparkContext.- Attributes
- protected
- Definition Classes
- BaseReadWrite
- def session(sparkSession: SparkSession): MLWriter.this.type
Sets the Spark Session to use for saving/loading.
Sets the Spark Session to use for saving/loading.
- Definition Classes
- MLWriter → BaseReadWrite
- Annotations
- @Since("1.6.0")
- var shouldOverwrite: Boolean
- Attributes
- protected
- final def sparkSession: SparkSession
Returns the user-specified Spark Session or the default.
Returns the user-specified Spark Session or the default.
- Attributes
- protected
- Definition Classes
- BaseReadWrite
- final def sqlContext: SQLContext
Returns the user-specified SQL context or the default.
Returns the user-specified SQL context or the default.
- Attributes
- protected
- Definition Classes
- BaseReadWrite
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(arg0: Long, arg1: Int): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
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- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- def withLogContext(context: HashMap[String, String])(body: => Unit): Unit
- Attributes
- protected
- Definition Classes
- Logging
Deprecated Value Members
- def finalize(): Unit
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- protected[lang]
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- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)