class ArrowDictionaryBuilder extends ArrowDictionary
Tracks values seen and writes dictionary encoded ints instead
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- ArrowDictionaryBuilder
- ArrowDictionary
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Instance Constructors
- new ArrowDictionaryBuilder(encoding: DictionaryEncoding)
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 clear(): Unit
- def clone(): AnyRef
- Attributes
- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def close(): Unit
- Definition Classes
- ArrowDictionaryBuilder → Closeable → AutoCloseable
- val encoding: DictionaryEncoding
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
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- @throws(classOf[java.lang.Throwable])
- def foreach[U](f: (AnyRef) => U): Unit
Apply a function to each value in the dictionary
Apply a function to each value in the dictionary
- U
function return type
- f
function
- Definition Classes
- ArrowDictionary
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def id: Long
- Definition Classes
- ArrowDictionary
- def index(value: AnyRef): Int
Dictionary encode a value to an int
Dictionary encode a value to an int
- value
value to encode
- returns
dictionary encoded int
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def iterator: Iterator[AnyRef]
Create an iterator over the values in this dictionary
Create an iterator over the values in this dictionary
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- def length: Int
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- def lookup(i: Int): AnyRef
Decode a dictionary int to a value.
Decode a dictionary int to a value. Note: may not be thread safe
- i
dictionary encoded int
- returns
value
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
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- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
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- @native()
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toDictionary(precision: SimpleFeatureEncoding): Dictionary with Closeable
Create an arrow dictionary vector
Create an arrow dictionary vector
- precision
precision
- Definition Classes
- ArrowDictionaryBuilder → ArrowDictionary
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def wait(): Unit
- Definition Classes
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- @throws(classOf[java.lang.InterruptedException])
- 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
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()