Class

org.apache.spark.sql.types

MetadataWrapper

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class MetadataWrapper extends AnyRef

Metadata wrapper allows access to private members of metadata

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Instance Constructors

new MetadataWrapper(m: Map[String, Any])

Unsafe ctor to allow creation of Metadata using untyped map.

Unsafe ctor to allow creation of Metadata using untyped map. Note: use this ctor only as a last resort solution, otherwise always prefer MetadataBuilder.

m

untyped map

returns

Metadata
new MetadataWrapper(metadata: Metadata)

metadata

a Metadata instance

Value Members

final def !=(arg0: Any): Boolean

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final def ##(): Int

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final def ==(arg0: Any): Boolean

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def apply(key: String): Any

Retrieves the value which is associated with the given key.

Retrieves the value which is associated with the given key. This method invokes the default method of the map if there is no mapping from the given key to a value. Unless overridden, the default method throws a NoSuchElementException.

key

the key

returns

the value associated with the given key, or the result of the map's default method, if none exists.
final def asInstanceOf[T0]: T0

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def clone(): AnyRef

Attributes

protected[java.lang]

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@throws( ... )
def contains(key: String): Boolean

Tests whether this map contains a binding for a key.

Tests whether this map contains a binding for a key.

key

the key

returns

true if there is a binding for key in this map, false otherwise.
final def eq(arg0: AnyRef): Boolean

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def equals(arg0: Any): Boolean

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def finalize(): Unit

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protected[java.lang]

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@throws( classOf[java.lang.Throwable] )
def get[T](key: String): T

Returns the value associated with a key.

Returns the value associated with a key.

key

the key value

returns

value containing the value associated with key in this map cast to the type provided
def getAny(key: String): Option[Any]

Optionally returns the value associated with a key.

Optionally returns the value associated with a key.

key

the key value

returns

an option value containing the value associated with key in this map, or None if none exists.
def getArray[T](key: String)(implicit arg0: ClassTag[T]): Array[T]

Returns the value associated with a key.

Returns the value associated with a key. Handles empty arrays serialized to Long instead of proper type.

key

the key value for an array

returns

value containing the value associated with key in this map cast to the array type provided
final def getClass(): Class[_]

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def hashCode(): Int

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final def isInstanceOf[T0]: Boolean

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def jsonValue: JValue

Metadata Json Value

Metadata Json Value

returns

Json Value
val metadata: Metadata

a Metadata instance
final def ne(arg0: AnyRef): Boolean

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final def notify(): Unit

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final def notifyAll(): Unit

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def prettyJson: String

Converts to its pretty json representation

Converts to its pretty json representation

returns

pretty json string
final def synchronized[T0](arg0: ⇒ T0): T0

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def toString(): String

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def underlyingMap: Map[String, Any]

Get underlying untyped Map[String, Any].

Get underlying untyped Map[String, Any]. Since Metadata.map val is private, this is the only way for us to get it

returns

underlying untyped Map[String, Any]
final def wait(): Unit

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final def wait(arg0: Long, arg1: Int): Unit

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final def wait(arg0: Long): Unit

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