case class TransformingEncoder[I, O](clsTag: ClassTag[I], transformed: AgnosticEncoder[O], codecProvider: () => Codec[_ >: I, O], nullable: Boolean = false) extends AgnosticEncoder[I] with Product with Serializable
Encoder that transforms external data into a representation that can be further processed by another encoder. This is fallback for scenarios where objects can't be represented using standard encoders, an example of this is where we use a different (opaque) serialization format (i.e. java serialization, kryo serialization, or protobuf).
- nullable
defaults to false indicating the codec guarantees decode / encode results are non-nullable
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- Encoder
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Instance Constructors
- new TransformingEncoder(clsTag: ClassTag[I], transformed: AgnosticEncoder[O], codecProvider: () => Codec[_ >: I, O], nullable: Boolean = false)
- nullable
defaults to false indicating the codec guarantees decode / encode results are non-nullable
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
- val clsTag: ClassTag[I]
A ClassTag that can be used to construct an Array to contain a collection of
T.A ClassTag that can be used to construct an Array to contain a collection of
T.- Definition Classes
- TransformingEncoder → Encoder
- val codecProvider: () => Codec[_ >: I, O]
- def dataType: DataType
- Definition Classes
- TransformingEncoder → AgnosticEncoder
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
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- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @IntrinsicCandidate() @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def isPrimitive: Boolean
- Definition Classes
- TransformingEncoder → AgnosticEncoder
- def isStruct: Boolean
- Definition Classes
- TransformingEncoder → AgnosticEncoder
- def lenientSerialization: Boolean
- Definition Classes
- AgnosticEncoder
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
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- final def notify(): Unit
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- @IntrinsicCandidate() @native()
- final def notifyAll(): Unit
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- @IntrinsicCandidate() @native()
- val nullable: Boolean
- Definition Classes
- TransformingEncoder → AgnosticEncoder
- def productElementNames: Iterator[String]
- Definition Classes
- Product
- def schema: StructType
Returns the schema of encoding this type of object as a Row.
Returns the schema of encoding this type of object as a Row.
- Definition Classes
- TransformingEncoder → AgnosticEncoder → Encoder
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- val transformed: AgnosticEncoder[O]
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
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- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
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)