ArrowAttributeWriter

Type Members

class ArrowBooleanWriter extends ArrowAttributeWriter
class ArrowBytesWriter extends ArrowAttributeWriter
class ArrowDateMillisWriter extends ArrowAttributeWriter
class ArrowDateSecondsWriter extends ArrowAttributeWriter
class ArrowDictionaryByteWriter extends ArrowAttributeWriter

Converts a value into a dictionary byte and writes it
class ArrowDictionaryIntWriter extends ArrowAttributeWriter

Converts a value into a dictionary int and writes it
class ArrowDictionaryShortWriter extends ArrowAttributeWriter

Converts a value into a dictionary short and writes it
class ArrowDoubleWriter extends ArrowAttributeWriter
class ArrowFeatureIdMinimalStringWriter extends ArrowAttributeWriter
class ArrowFeatureIdMinimalUuidWriter extends ArrowAttributeWriter
class ArrowFeatureIdStringWriter extends ArrowAttributeWriter
class ArrowFeatureIdUuidWriter extends ArrowAttributeWriter
class ArrowFloatWriter extends ArrowAttributeWriter
class ArrowGeometryWriter extends ArrowAttributeWriter

Writes geometries - delegates to our JTS geometry vectors
class ArrowIntWriter extends ArrowAttributeWriter
class ArrowListWriter extends ArrowAttributeWriter
class ArrowLongWriter extends ArrowAttributeWriter
class ArrowMapWriter extends ArrowAttributeWriter
class ArrowStringWriter extends ArrowAttributeWriter

Value Members

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

Definition Classes
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final def ==(arg0: Any): Boolean

Definition Classes
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object ArrowNoopWriter extends ArrowAttributeWriter

Doesn't actually write anything
def apply(name: String, bindings: Seq[ObjectType], vector: Option[StructVector], dictionary: Option[ArrowDictionary], metadata: Map[String, String], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

Low-level method to create a single attribute writer
Low-level method to create a single attribute writer
name
attribute name
bindings
object bindings, the attribute type plus any subtypes (e.g. for lists or maps)
vector
optional container arrow vector - child vector will be created in the container, if provided
dictionary
the dictionary for the attribute, if any
metadata
vector metadata encoded in the field - generally the encoded attribute descriptor
encoding
encoding options
allocator
buffer allocator
def apply(sft: SimpleFeatureType, descriptor: AttributeDescriptor, vector: Option[StructVector], dictionary: Option[ArrowDictionary], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

Creates a single attribute writer
Creates a single attribute writer
sft
simple feature type
descriptor
attribute descriptor
vector
optional container arrow vector - child vector will be created in the container, if provided
dictionary
the dictionary for the attribute, if any
encoding
encoding options
allocator
buffer allocator
def apply(sft: SimpleFeatureType, vector: Option[StructVector], dictionaries: Map[String, ArrowDictionary], encoding: SimpleFeatureEncoding = SimpleFeatureEncoding.Min)(implicit allocator: BufferAllocator): Seq[ArrowAttributeWriter]

Creates a sequence of attribute writers for a simple feature type.
Creates a sequence of attribute writers for a simple feature type. Each attribute in the feature type will map to a writer in the returned sequence.
sft
simple feature type
vector
optional container arrow vector - child vector will be created in the container, if provided
dictionaries
dictionaries, if any
encoding
encoding options
allocator
buffer allocator
returns
attribute writers
final def asInstanceOf[T0]: T0

Definition Classes
Any
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
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Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

Definition Classes
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def equals(arg0: Any): Boolean

Definition Classes
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def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
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Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
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def hashCode(): Int

Definition Classes
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def id(sft: SimpleFeatureType, vector: Option[StructVector], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

Writer for feature ID.
Writer for feature ID. The return FeatureWriter expects to be passed the entire SimpleFeature, not just the feature ID string (this is to support cached UUIDs).
vector
simple feature vector
encoding
actually write the feature ids, or omit them, in which case the writer is a no-op
allocator
buffer allocator
returns
feature ID writer
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
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final def notifyAll(): Unit

Definition Classes
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final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
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def toString(): String

Definition Classes
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final def wait(): Unit

Definition Classes
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Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
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Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
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Annotations
@throws( ... )

Related Docs: trait ArrowAttributeWriter | package vector

object ArrowAttributeWriter

Type Members

class ArrowBooleanWriter extends ArrowAttributeWriter

class ArrowBytesWriter extends ArrowAttributeWriter

class ArrowDateMillisWriter extends ArrowAttributeWriter

class ArrowDateSecondsWriter extends ArrowAttributeWriter

class ArrowDictionaryByteWriter extends ArrowAttributeWriter

class ArrowDictionaryIntWriter extends ArrowAttributeWriter

class ArrowDictionaryShortWriter extends ArrowAttributeWriter

class ArrowDoubleWriter extends ArrowAttributeWriter

class ArrowFeatureIdMinimalStringWriter extends ArrowAttributeWriter

class ArrowFeatureIdMinimalUuidWriter extends ArrowAttributeWriter

class ArrowFeatureIdStringWriter extends ArrowAttributeWriter

class ArrowFeatureIdUuidWriter extends ArrowAttributeWriter

class ArrowFloatWriter extends ArrowAttributeWriter

class ArrowGeometryWriter extends ArrowAttributeWriter

class ArrowIntWriter extends ArrowAttributeWriter

class ArrowListWriter extends ArrowAttributeWriter

class ArrowLongWriter extends ArrowAttributeWriter

class ArrowMapWriter extends ArrowAttributeWriter

class ArrowStringWriter extends ArrowAttributeWriter

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

object ArrowNoopWriter extends ArrowAttributeWriter

def apply(name: String, bindings: Seq[ObjectType], vector: Option[StructVector], dictionary: Option[ArrowDictionary], metadata: Map[String, String], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

def apply(sft: SimpleFeatureType, descriptor: AttributeDescriptor, vector: Option[StructVector], dictionary: Option[ArrowDictionary], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

def apply(sft: SimpleFeatureType, vector: Option[StructVector], dictionaries: Map[String, ArrowDictionary], encoding: SimpleFeatureEncoding = SimpleFeatureEncoding.Min)(implicit allocator: BufferAllocator): Seq[ArrowAttributeWriter]

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

def id(sft: SimpleFeatureType, vector: Option[StructVector], encoding: SimpleFeatureEncoding)(implicit allocator: BufferAllocator): ArrowAttributeWriter

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

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

final def wait(arg0: Long): Unit

Inherited from AnyRef

Inherited from Any

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