trait Codec[A] extends Decoder[A] with Encoder[A]
Provides an encoding and a decoding functions for a given type.
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abstract
def
read(av: AttributeValue): Either[DecoderError, A]
Attempt to read an AttributeValue to a value of type A
Attempt to read an AttributeValue to a value of type A
- av
Java attribute value object
- returns
either a value of type A or a decoder error
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- Decoder
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abstract
def
write(a: A): AttributeValue
Write a value of type A as a Java AttributeValue
Write a value of type A as a Java AttributeValue
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value of type A
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a Java AttributeValue object
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final
def
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def
##(): Int
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==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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def
emap[B](f: (A) ⇒ Either[DecoderError, B]): Decoder[B]
Create a new decoder given a transformation from A to either B or a decoder error
Create a new decoder given a transformation from A to either B or a decoder error
- f
a function returning either a value or an error message
- returns
a new Decoder of type B
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
read(av: Map[String, AttributeValue]): Either[DecoderError, A]
Attempt to read a Map of String and AttributeValue to a value of type A
Attempt to read a Map of String and AttributeValue to a value of type A
- av
Java Map of String and AttributeValue
- returns
either a value of type A or a decoder error
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- Decoder
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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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def
wait(arg0: Long): Unit
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def
wait(): Unit
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def
finalize(): Unit
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