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package zio.schema
import scala.util.control.NonFatal
import zio.schema.MutableSchemaBasedValueBuilder.CreateValueFromSchemaError
import zio.{ Chunk, ChunkBuilder }
/**
* Base trait for mutable builders producing a value based on a schema, such as codec decoders.
*
* The implementation is stack safe and consists of a series of invocations of the protected methods
* the trait defines. Maintaining the state of the builder, such as stream position etc. is the responsibility
* of the implementation class via mutable state.
*
* The Target type parameter is the base type for the generated values - this in many cases can be Any but
* potentially could be used to track errors in value level as well - although failure in the context handler
* manipulation methods cannot be expressed this way.
*
* The Context type parameter is a use-case dependent type that is managed in a stack during the execution of the builder.
* The implementation can generate new context values for the value's subtrees and it can be used to track local state
* required for gathering all information for the value to be created. The current context value is also propagated to
* any exception thrown so it can be used to provide detailed location information for decoder errors.
*/
trait MutableSchemaBasedValueBuilder[Target, Context] {
/** Creates a primitive value of the given standard type */
protected def createPrimitive(context: Context, typ: StandardType[_]): Target
/** The next value to build is a record with the given schema */
protected def startCreatingRecord(context: Context, record: Schema.Record[_]): Context
/** Called for each field of a record. The resulting tuple is either None indicating there are no more fields to read,
* or it contains an updated context belonging to the field and the next field's index in the schema. This allows
* the implementation to instantiate fields in a different order than what the schema defines.
*
* The index parameter is a 0-based index, incremented by one for each field read within a record.
*/
protected def startReadingField(context: Context, record: Schema.Record[_], index: Int): Option[(Context, Int)]
/** Creates a record value from the gathered field values */
protected def createRecord(context: Context, record: Schema.Record[_], values: Chunk[(Int, Target)]): Target
/** The next value to build is an enum with the given schema */
protected def startCreatingEnum(context: Context, cases: Chunk[Schema.Case[_, _]]): (Context, Int)
/** Creates an enum value from the read constructor value */
protected def createEnum(context: Context, cases: Chunk[Schema.Case[_, _]], index: Int, value: Target): Target
/** The next value to build is a sequence. If the returned value is None, the builder creates an empty sequence,
* otherwise it calls startCreatingOneSequenceElement and finishedCreatingOneSequenceElement for
* each element with the returned context.
*/
protected def startCreatingSequence(context: Context, schema: Schema.Sequence[_, _, _]): Option[Context]
/** Called before constructing a next sequence element. The returned context is used for constructing
* that single element.*/
protected def startCreatingOneSequenceElement(context: Context, schema: Schema.Sequence[_, _, _]): Context
/** Called after constructing a single sequence element. The context is the context of the whole sequence.
* If the returned value is true, a next element will be read otherwise the sequence is completed and createSequence
* is called. */
protected def finishedCreatingOneSequenceElement(
context: Context,
schema: Schema.Sequence[_, _, _],
index: Int
): Boolean
/** Creates the sequence value from the chunk of element values */
protected def createSequence(context: Context, schema: Schema.Sequence[_, _, _], values: Chunk[Target]): Target
/** The next value to build is a dictionary. If the returned value is None, the builder creates an empty dictionary,
* otherwise it calls startCreatingOneDictionaryElement, startCreatingOneDictionaryValue and
* finishedCreatingOneDictionaryElement for each element with the returned context.
*/
protected def startCreatingDictionary(context: Context, schema: Schema.Map[_, _]): Option[Context]
/** Called before constructing a next dictionary element. The returned context is used for constructing
* that single element's key. */
protected def startCreatingOneDictionaryElement(context: Context, schema: Schema.Map[_, _]): Context
/** Called after the key of a single element was created, before the value gets created.
* The returned context is for constructing the element's value part. */
protected def startCreatingOneDictionaryValue(context: Context, schema: Schema.Map[_, _]): Context
/** Called after constructing a single dictionary element. The context is the context of the whole dictionary.
* If the returned value is true, a next element will be read otherwise the dictionary is completed and createDictionary
* is called. */
protected def finishedCreatingOneDictionaryElement(
context: Context,
schema: Schema.Map[_, _],
index: Int
): Boolean
/** Creates the dictionary value from the chunk of key-value pairs */
protected def createDictionary(context: Context, schema: Schema.Map[_, _], values: Chunk[(Target, Target)]): Target
/** The next value to build is a set. If the returned value is None, the builder creates an empty set,
* otherwise it calls startCreatingOneSetElement and finishedCreatingOneSetElement for
* each element with the returned context.
*/
protected def startCreatingSet(context: Context, schema: Schema.Set[_]): Option[Context]
/** Called before constructing a next set element. The returned context is used for constructing
* that single element. */
protected def startCreatingOneSetElement(context: Context, schema: Schema.Set[_]): Context
/** Called after constructing a single set element. The context is the context of the whole set.
* If the returned value is true, a next element will be read otherwise the set is completed and createSet
* is called. */
protected def finishedCreatingOneSetElement(context: Context, schema: Schema.Set[_], index: Int): Boolean
/** Creates the set value from the chunk of element values */
protected def createSet(context: Context, schema: Schema.Set[_], values: Chunk[Target]): Target
/** The next value to be created is an optional value. If the result is None, the optional value created
* will be None. If it is a context, that context will be used to create the optional value. */
protected def startCreatingOptional(context: Context, schema: Schema.Optional[_]): Option[Context]
/** Creates the optional value from the inner value */
protected def createOptional(context: Context, schema: Schema.Optional[_], value: Option[Target]): Target
/** The next value to be created is an either value with the given schema. Similarly to optional values,
* this method is responsible for gathering enough information to decide whether the created value will
* be a Left or a Right. The result value represents this, and for each case allows specifying a context
* that will be used to create the inner value. */
protected def startCreatingEither(context: Context, schema: Schema.Either[_, _]): Either[Context, Context]
/** Create the either value from an inner value */
protected def createEither(context: Context, schema: Schema.Either[_, _], value: Either[Target, Target]): Target
/** The next value to be created is a tuple with the given schema. The returned context is used to
* construct the first element of the tuple. */
protected def startCreatingTuple(context: Context, schema: Schema.Tuple2[_, _]): Context
/** Called after finished constructing the first element, before constructing the second. The returned
* context is used to construct the second value.
*/
protected def startReadingSecondTupleElement(context: Context, schema: Schema.Tuple2[_, _]): Context
/** Creates the tuple from the constructed first and second values */
protected def createTuple(context: Context, schema: Schema.Tuple2[_, _], left: Target, right: Target): Target
/** Creates a Dynamic value. If the returned value is None, it indicates that the builder does
* not have any built-in support for Dynamic values, and it will be built using Dynamic's schema. */
protected def createDynamic(context: Context): Option[Target]
/** Transforms a value with the given function that can fail. Making this customizable allows encoding the failure
* in Target.
*/
protected def transform(context: Context, value: Target, f: Any => Either[String, Any], schema: Schema[_]): Target
/** Fail the builder with the given message */
protected def fail(context: Context, message: String): Target
/** The initial (top-level) context value */
protected val initialContext: Context
/** Create a value of type A with the provided schema using this builder */
def create[A](schema: Schema[A]): Target = {
var currentSchema: Schema[_] = schema
var result: Option[Target] = None
var stack: List[Target => Unit] = List.empty[Target => Unit]
var contextStack: List[Context] = List(initialContext)
def finishWith(resultValue: Target): Unit =
if (stack.nonEmpty) {
val head = stack.head
stack = stack.tail
head(resultValue)
} else {
result = Some(resultValue)
}
def push(f: Target => Unit): Unit =
stack = f :: stack
def pushContext(s: Context): Unit =
contextStack = s :: contextStack
def record(record: Schema.Record[_]): Unit = {
val values = ChunkBuilder.make[(Int, Target)](record.fields.size)
def readField(index: Int): Unit = {
contextStack = contextStack.tail
startReadingField(contextStack.head, record, index) match {
case Some((updatedState, idx)) =>
pushContext(updatedState)
currentSchema = record.fields(idx).schema
push { field =>
val elem = (idx, field)
values += elem
readField(index + 1)
}
case None =>
finishWith(createRecord(contextStack.head, record, values.result()))
}
}
pushContext(startCreatingRecord(contextStack.head, record))
readField(0)
}
def enumCases(casesChunk: Chunk[Schema.Case[_, _]]): Unit = {
val (newState, index) = startCreatingEnum(contextStack.head, casesChunk)
currentSchema = casesChunk(index).schema
pushContext(newState)
push { value =>
contextStack = contextStack.tail
finishWith(createEnum(contextStack.head, casesChunk, index, value))
}
}
try {
while (result.isEmpty) {
val currentContext = contextStack.head
currentSchema match {
case l @ Schema.Lazy(_) =>
currentSchema = l.schema
case Schema.Primitive(p, _) =>
finishWith(createPrimitive(currentContext, p.asInstanceOf[StandardType[Any]]))
case s @ Schema.GenericRecord(_, _, _) =>
record(s)
case s @ Schema.Enum1(_, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum2(_, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum3(_, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum4(_, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum5(_, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum6(_, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum7(_, _, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum8(_, _, _, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum9(_, _, _, _, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum10(_, _, _, _, _, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum11(_, _, _, _, _, _, _, _, _, _, _, _, _) =>
enumCases(s.cases)
case s @ Schema.Enum12(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum13(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum14(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum15(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum16(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum17(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum18(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum19(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum20(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum21(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
case s @ Schema.Enum22(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
enumCases(s.cases)
//scalafmt: { maxColumn = 120 }
case s @ Schema.EnumN(_, _, _) =>
enumCases(s.cases)
case Schema.Fail(message, _) =>
finishWith(fail(currentContext, message))
case s @ Schema.Sequence(elementSchema, _, _, _, _) =>
val elems = ChunkBuilder.make[Target]()
def readOne(index: Int): Unit =
push { elem =>
elems += elem
contextStack = contextStack.tail
val continue = finishedCreatingOneSequenceElement(contextStack.head, s, index)
if (continue) {
currentSchema = elementSchema
pushContext(startCreatingOneSequenceElement(contextStack.head, s))
readOne(index + 1)
} else {
contextStack = contextStack.tail
finishWith(createSequence(contextStack.head, s, elems.result()))
}
}
currentSchema = elementSchema
startCreatingSequence(currentContext, s) match {
case Some(startingState) =>
pushContext(startingState)
pushContext(startCreatingOneSequenceElement(startingState, s))
readOne(0)
case None =>
finishWith(createSequence(currentContext, s, Chunk.empty))
}
case s @ Schema.Map(ks: Schema[k], vs: Schema[v], _) =>
val elems = ChunkBuilder.make[(Target, Target)]()
def readOne(index: Int): Unit =
push { key =>
currentSchema = vs
pushContext(startCreatingOneDictionaryValue(currentContext, s))
push { value =>
val elem = (key, value)
elems += elem
contextStack = contextStack.tail.tail
val continue = finishedCreatingOneDictionaryElement(contextStack.head, s, index)
if (continue) {
currentSchema = ks
pushContext(startCreatingOneDictionaryElement(contextStack.head, s))
readOne(index + 1)
} else {
val state = contextStack.head
contextStack = contextStack.tail
finishWith(createDictionary(state, s, elems.result()))
}
}
}
startCreatingDictionary(currentContext, s) match {
case Some(startingState) =>
currentSchema = ks
pushContext(startingState)
pushContext(startCreatingOneDictionaryElement(startingState, s))
readOne(0)
case None =>
finishWith(createDictionary(contextStack.head, s, Chunk.empty))
}
case s @ Schema.Set(as: Schema[a], _) =>
val elems = ChunkBuilder.make[Target]()
def readOne(index: Int): Unit =
push { elem =>
elems += elem
contextStack = contextStack.tail
val continue = finishedCreatingOneSetElement(contextStack.head, s, index)
if (continue) {
currentSchema = as
pushContext(startCreatingOneSetElement(contextStack.head, s))
readOne(index + 1)
} else {
val state = contextStack.head
contextStack = contextStack.tail
finishWith(createSet(state, s, elems.result()))
}
}
startCreatingSet(currentContext, s) match {
case Some(startingState) =>
currentSchema = as
pushContext(startingState)
pushContext(startCreatingOneSetElement(startingState, s))
readOne(0)
case None =>
finishWith(createSet(contextStack.head, s, Chunk.empty))
}
case s: Schema.Either[l, r] =>
startCreatingEither(currentContext, s) match {
case Left(newState) =>
currentSchema = s.left
pushContext(newState)
push { value =>
contextStack = contextStack.tail
finishWith(createEither(contextStack.head, s, Left(value)))
}
case Right(newState) =>
currentSchema = s.right
pushContext(newState)
push { value =>
contextStack = contextStack.tail
finishWith(createEither(contextStack.head, s, Right(value)))
}
}
case s: Schema.Tuple2[a, b] =>
currentSchema = s.left
pushContext(startCreatingTuple(currentContext, s))
push { left =>
contextStack = contextStack.tail
val newState = startReadingSecondTupleElement(contextStack.head, s)
currentSchema = s.right
pushContext(newState)
push { right =>
contextStack = contextStack.tail
finishWith(createTuple(contextStack.head, s, left, right))
}
}
case s: Schema.Optional[a] =>
startCreatingOptional(currentContext, s) match {
case Some(newState) =>
currentSchema = s.schema
pushContext(newState)
push { value =>
contextStack = contextStack.tail
finishWith(createOptional(contextStack.head, s, Some(value)))
}
case None =>
finishWith(createOptional(contextStack.head, s, None))
}
case s @ Schema.Transform(schema, f, _, _, _) =>
currentSchema = schema
push { result =>
finishWith(transform(currentContext, result, f.asInstanceOf[Any => Either[String, Any]], s))
}
case s @ Schema.CaseClass0(_, _, _) =>
record(s)
case s @ Schema.CaseClass1(_, _, _, _) =>
record(s)
case s @ Schema.CaseClass2(_, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass3(_, _, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass4(_, _, _, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass5(_, _, _, _, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass6(_, _, _, _, _, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass7(_, _, _, _, _, _, _, _, _, _) =>
record(s)
case s @ Schema.CaseClass8(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass9(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass10(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass11(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass12(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass13(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass14(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass15(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass16(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass17(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass18(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass19(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass20(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass21(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case s @ Schema.CaseClass22(
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_,
_
) =>
record(s)
case Schema.Dynamic(_) =>
createDynamic(currentContext) match {
case Some(value) =>
finishWith(value)
case None =>
currentSchema = DynamicValue.schema
}
case _ => throw new Exception(s"Missing a handler for schema ${currentSchema.toString()}.")
}
}
} catch {
case NonFatal(reason) =>
throw CreateValueFromSchemaError(contextStack.head, reason)
}
result.get
}
}
object MutableSchemaBasedValueBuilder {
case class CreateValueFromSchemaError[Context](context: Context, cause: Throwable) extends RuntimeException
}
/** A simpler version of SimpleMutableSchemaBasedValueBuilder without using any Context */
trait SimpleMutableSchemaBasedValueBuilder[Target] extends MutableSchemaBasedValueBuilder[Target, Unit] {
override protected def createPrimitive(context: Unit, typ: StandardType[_]): Target =
createPrimitive(typ)
protected def createPrimitive(typ: StandardType[_]): Target
override protected def startCreatingRecord(context: Unit, record: Schema.Record[_]): Unit =
startCreatingRecord(record)
protected def startCreatingRecord(record: Schema.Record[_]): Unit
override protected def startReadingField(context: Unit, record: Schema.Record[_], index: Int): Option[(Unit, Int)] =
startReadingField(record, index).map(((), _))
protected def startReadingField(record: Schema.Record[_], index: Int): Option[Int]
override protected def createRecord(context: Unit, record: Schema.Record[_], values: Chunk[(Int, Target)]): Target =
createRecord(record, values)
protected def createRecord(record: Schema.Record[_], values: Chunk[(Int, Target)]): Target
override protected def startCreatingEnum(context: Unit, cases: Chunk[Schema.Case[_, _]]): (Unit, Int) =
((), startCreatingEnum(cases))
protected def startCreatingEnum(cases: Chunk[Schema.Case[_, _]]): Int
override protected def createEnum(context: Unit, cases: Chunk[Schema.Case[_, _]], index: Int, value: Target): Target =
createEnum(cases, index, value)
protected def createEnum(cases: Chunk[Schema.Case[_, _]], index: Int, value: Target): Target
override protected def startCreatingSequence(context: Unit, schema: Schema.Sequence[_, _, _]): Option[Unit] =
startCreatingSequence(schema)
protected def startCreatingSequence(schema: Schema.Sequence[_, _, _]): Option[Unit]
override protected def startCreatingOneSequenceElement(state: Unit, schema: Schema.Sequence[_, _, _]): Unit =
startReadingOneSequenceElement(schema)
protected def startReadingOneSequenceElement(schema: Schema.Sequence[_, _, _]): Unit
override protected def createSequence(
context: Unit,
schema: Schema.Sequence[_, _, _],
values: Chunk[Target]
): Target =
createSequence(schema, values)
protected def createSequence(schema: Schema.Sequence[_, _, _], values: Chunk[Target]): Target
override protected def startCreatingDictionary(context: Unit, schema: Schema.Map[_, _]): Option[Unit] =
startCreatingDictionary(schema)
protected def startCreatingDictionary(schema: Schema.Map[_, _]): Option[Unit]
override protected def startCreatingOneDictionaryElement(state: Unit, schema: Schema.Map[_, _]): Unit =
startReadingOneDictionaryKey(schema)
protected def startReadingOneDictionaryKey(schema: Schema.Map[_, _]): Unit
override protected def startCreatingOneDictionaryValue(state: Unit, schema: Schema.Map[_, _]): Unit =
startReadingOneDictionaryValue(schema)
protected def startReadingOneDictionaryValue(schema: Schema.Map[_, _]): Unit
override protected def createDictionary(
context: Unit,
schema: Schema.Map[_, _],
values: Chunk[(Target, Target)]
): Target =
createDictionary(schema, values)
protected def createDictionary(schema: Schema.Map[_, _], values: Chunk[(Target, Target)]): Target
override protected def startCreatingSet(context: Unit, schema: Schema.Set[_]): Option[Unit] =
startCreatingSet(schema)
protected def startCreatingSet(schema: Schema.Set[_]): Option[Unit]
override protected def startCreatingOneSetElement(state: Unit, schema: Schema.Set[_]): Unit =
startReadingOneSetElement(schema)
protected def startReadingOneSetElement(schema: Schema.Set[_]): Unit
override protected def createSet(context: Unit, schema: Schema.Set[_], values: Chunk[Target]): Target =
createSet(schema, values)
protected def createSet(schema: Schema.Set[_], values: Chunk[Target]): Target
override protected def startCreatingOptional(context: Unit, schema: Schema.Optional[_]): Option[Unit] =
startCreatingOptional(schema)
protected def startCreatingOptional(schema: Schema.Optional[_]): Option[Unit]
override protected def createOptional(context: Unit, schema: Schema.Optional[_], value: Option[Target]): Target =
createOptional(schema, value)
protected def createOptional(schema: Schema.Optional[_], value: Option[Target]): Target
override protected def startCreatingEither(context: Unit, schema: Schema.Either[_, _]): Either[Unit, Unit] =
startCreatingEither(schema)
protected def startCreatingEither(schema: Schema.Either[_, _]): Either[Unit, Unit]
override protected def createEither(
context: Unit,
schema: Schema.Either[_, _],
value: Either[Target, Target]
): Target =
createEither(schema, value)
protected def createEither(schema: Schema.Either[_, _], value: Either[Target, Target]): Target
override protected def startCreatingTuple(context: Unit, schema: Schema.Tuple2[_, _]): Unit =
startCreatingTuple(schema)
protected def startCreatingTuple(schema: Schema.Tuple2[_, _]): Unit
override protected def startReadingSecondTupleElement(context: Unit, schema: Schema.Tuple2[_, _]): Unit =
startReadingSecondTupleElement(schema)
protected def startReadingSecondTupleElement(schema: Schema.Tuple2[_, _]): Unit
override protected def createTuple(context: Unit, schema: Schema.Tuple2[_, _], left: Target, right: Target): Target =
createTuple(schema, left, right)
protected def createTuple(schema: Schema.Tuple2[_, _], left: Target, right: Target): Target
override protected def createDynamic(context: Unit): Option[Target] =
createDynamic()
protected def createDynamic(): Option[Target]
override protected def transform(
context: Unit,
value: Target,
f: Any => Either[String, Any],
schema: Schema[_]
): Target =
transform(value, f, schema)
protected def transform(value: Target, f: Any => Either[String, Any], schema: Schema[_]): Target
override protected def fail(context: Unit, message: String): Target =
fail(message)
protected def fail(message: String): Target
override protected val initialContext: Unit = ()
}
