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zio.schema.MutableSchemaBasedValueProcessor.scala Maven / Gradle / Ivy
package zio.schema
import scala.annotation.nowarn
import scala.collection.immutable.ListMap
import zio.schema.annotation.transientField
import zio.{ Chunk, ChunkBuilder }
/** Base trait for mutable value processors, processing a value with a known schema. An example
* is protocol encoders.
*
* The implementation is stack safe and consists of invocations of a series of processXYZ methods, as well
* as built-in support for a context value which is handled in a stacked way.
*
* Maintaining any global state (per process) such as stream writers etc. is the responsibility of the implementation class.
*
* The Target type parameter is the base type for the process function's output value. In case the process is
* built entirely using side effects (such as calls to a mutable writer interface) this type can be Unit.
*
* The Context type parameter is the use-case specific context type which is passed for each process invocation, and
* can be manipulated before each process call achieving a local state.
*/
trait MutableSchemaBasedValueProcessor[Target, Context] {
/** Process a primitive value */
protected def processPrimitive(context: Context, value: Any, typ: StandardType[Any]): Target
/** Called before processing a record (before calling processXYZ for the record's fields) */
@nowarn protected def startProcessingRecord(context: Context, schema: Schema.Record[_]): Unit = {}
/** Process a record in the given context with the given schema, using the already processed values of its fields. */
protected def processRecord(context: Context, schema: Schema.Record[_], value: ListMap[String, Target]): Target
/** Called before processing an enum */
@nowarn protected def startProcessingEnum(context: Context, schema: Schema.Enum[_]): Unit = {}
/** Process an enum in the given context with the given schema using the processed constructor value and it's name */
protected def processEnum(context: Context, schema: Schema.Enum[_], tuple: (String, Target)): Target
/** Called before processing a sequence */
@nowarn protected def startProcessingSequence(context: Context, schema: Schema.Sequence[_, _, _], size: Int): Unit = {}
/** Process a sequence using its already processed elements */
protected def processSequence(context: Context, schema: Schema.Sequence[_, _, _], value: Chunk[Target]): Target
/** Called before processing a dictionary */
@nowarn protected def startProcessingDictionary(context: Context, schema: Schema.Map[_, _], size: Int): Unit = {}
/*** Process a dictionary using its already processed key-value pairs */
protected def processDictionary(context: Context, schema: Schema.Map[_, _], value: Chunk[(Target, Target)]): Target
/** Called before processing a set */
@nowarn protected def startProcessingSet(context: Context, schema: Schema.Set[_], size: Int): Unit = {}
/** Process a set using its already processed elements */
protected def processSet(context: Context, schema: Schema.Set[_], value: Set[Target]): Target
/** Called before processing and either value */
@nowarn protected def startProcessingEither(context: Context, schema: Schema.Either[_, _]): Unit = {}
/** Process an either value using its already processed left or right value */
protected def processEither(context: Context, schema: Schema.Either[_, _], value: Either[Target, Target]): Target
/** Called before processing an option value */
@nowarn protected def startProcessingOption(context: Context, schema: Schema.Optional[_]): Unit = {}
/** Process an optional value using its already processed inner value, or None */
protected def processOption(context: Context, schema: Schema.Optional[_], value: Option[Target]): Target
/** Called before processing a pair of values */
@nowarn protected def startProcessingTuple(context: Context, schema: Schema.Tuple2[_, _]): Unit = {}
/** Process a tuple using its already processed left and right values */
protected def processTuple(context: Context, schema: Schema.Tuple2[_, _], left: Target, right: Target): Target
/** Process a dynamic value. If the result is None it indicates that the processor has no
* built-in support for dynamic values, and the Dynamic value's schema should be used instead. */
protected def processDynamic(context: Context, value: DynamicValue): Option[Target]
/** Fails the processing */
protected def fail(context: Context, message: String): Target
/** The initial (top-level) context value */
protected val initialContext: Context
/** Gets the context for a record's given field within the parent context */
protected def contextForRecordField(context: Context, index: Int, field: Schema.Field[_, _]): Context
/** Gets the context for a tuple's given field within the parent context */
protected def contextForTuple(context: Context, index: Int): Context
/** Gets the context for an enum's given constructor within the parent context */
protected def contextForEnumConstructor(context: Context, index: Int, c: Schema.Case[_, _]): Context
/** Gets the context for an either's left or right value within the parent context */
protected def contextForEither(context: Context, e: Either[Unit, Unit]): Context
/** Gets the context for an option's inner value within the parent context */
protected def contextForOption(context: Context, o: Option[Unit]): Context
/** Gets the context for a sequence's given element within the parent context */
protected def contextForSequence(context: Context, schema: Schema.Sequence[_, _, _], index: Int): Context
/** Gets the context for a dictionary's given element within the parent context */
protected def contextForMap(context: Context, schema: Schema.Map[_, _], index: Int): Context
/** Gets the context for a set's given element within the parent context */
protected def contextForSet(context: Context, schema: Schema.Set[_], index: Int): Context
/** Process a value based on it's schema */
def process[A](schema: Schema[A], value: A): Target = {
var currentSchema: Schema[_] = schema
var currentValue: Any = value
var result: Option[Target] = None
var stack: List[Target => Unit] = List.empty[Target => Unit]
var contextStack: List[Context] = List(initialContext)
def push(f: Target => Unit): Unit =
stack = f :: stack
def pushContext(s: Context): Unit =
contextStack = s :: contextStack
def finishWith(resultValue: Target): Unit =
if (stack.nonEmpty) {
val head = stack.head
stack = stack.tail
head(resultValue)
} else {
result = Some(resultValue)
}
def fields(s: Schema.Record[_], record: Any, fs: Schema.Field[_, _]*): Unit = {
val nonTransientFields = fs.filter {
case Schema.Field(_, _, annotations, _, _, _)
if annotations.collectFirst { case a: transientField => a }.isDefined =>
false
case _ => true
}
val values = ChunkBuilder.make[Target](nonTransientFields.size)
def processNext(index: Int, remaining: List[Schema.Field[_, _]]): Unit =
remaining match {
case next :: _ =>
currentSchema = next.schema
currentValue = next.asInstanceOf[Schema.Field[Any, Any]].get(record)
pushContext(contextForRecordField(contextStack.head, index, next))
push(processField(index, remaining, _))
case Nil =>
finishWith(
processRecord(
contextStack.head,
s,
nonTransientFields.map(_.name).zip(values.result()).foldLeft(ListMap.empty[String, Target]) {
case (lm, pair) =>
lm.updated(pair._1, pair._2)
}
)
)
}
def processField(index: Int, currentStructure: List[Schema.Field[_, _]], fieldResult: Target): Unit = {
contextStack = contextStack.tail
values += fieldResult
val remaining = currentStructure.tail
processNext(index + 1, remaining)
}
startProcessingRecord(contextStack.head, s)
processNext(0, nonTransientFields.toList)
}
def enumCases(s: Schema.Enum[_], cs: Schema.Case[_, _]*): Unit = {
startProcessingEnum(contextStack.head, s)
var found = false
val it = cs.iterator
var index = 0
while (!found && it.hasNext) {
val c = it.next().asInstanceOf[Schema.Case[Any, Any]]
c.deconstructOption(currentValue) match {
case Some(v) =>
currentValue = v
currentSchema = c.schema
pushContext(contextForEnumConstructor(contextStack.head, index, c))
push { dv =>
contextStack = contextStack.tail
finishWith(processEnum(contextStack.head, s, c.id -> dv))
}
found = true
case None =>
index = index + 1
}
}
if (!found) {
//This should never happen unless someone manually builds an Enum and doesn't include all cases
finishWith(fail(contextStack.head, "Invalid enum constructor"))
}
}
while (result.isEmpty) {
val currentContext = contextStack.head
currentSchema match {
case l @ Schema.Lazy(_) =>
currentSchema = l.schema
case Schema.Primitive(p, _) =>
finishWith(processPrimitive(currentContext, currentValue, p.asInstanceOf[StandardType[Any]]))
case s @ Schema.GenericRecord(_, structure, _) =>
val map = currentValue.asInstanceOf[ListMap[String, _]]
val structureChunk = structure.toChunk
val values = ChunkBuilder.make[Target](structureChunk.size)
def processNext(index: Int, remaining: List[Schema.Field[ListMap[String, _], _]]): Unit =
remaining match {
case next :: _ =>
currentSchema = next.schema
currentValue = map(next.name)
pushContext(contextForRecordField(currentContext, index, next))
push(processField(index, remaining, _))
case Nil =>
finishWith(
processRecord(
currentContext,
s,
structureChunk.map(_.name).zip(values.result()).foldLeft(ListMap.empty[String, Target]) {
case (lm, pair) =>
lm.updated(pair._1, pair._2)
}
)
)
}
def processField(
index: Int,
currentStructure: List[Schema.Field[ListMap[String, _], _]],
fieldResult: Target
): Unit = {
contextStack = contextStack.tail
values += fieldResult
val remaining = currentStructure.tail
processNext(index + 1, remaining)
}
startProcessingRecord(currentContext, s)
processNext(0, structureChunk.toList)
case s @ Schema.Enum1(_, case1, _) =>
enumCases(s, case1)
case s @ Schema.Enum2(_, case1, case2, _) =>
enumCases(s, case1, case2)
case s @ Schema.Enum3(_, case1, case2, case3, _) =>
enumCases(s, case1, case2, case3)
case s @ Schema.Enum4(_, case1, case2, case3, case4, _) =>
enumCases(s, case1, case2, case3, case4)
case s @ Schema.Enum5(_, case1, case2, case3, case4, case5, _) =>
enumCases(s, case1, case2, case3, case4, case5)
case s @ Schema.Enum6(_, case1, case2, case3, case4, case5, case6, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6)
case s @ Schema.Enum7(_, case1, case2, case3, case4, case5, case6, case7, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7)
case s @ Schema.Enum8(_, case1, case2, case3, case4, case5, case6, case7, case8, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7, case8)
case s @ Schema.Enum9(_, case1, case2, case3, case4, case5, case6, case7, case8, case9, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7, case8, case9)
case s @ Schema.Enum10(_, case1, case2, case3, case4, case5, case6, case7, case8, case9, case10, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7, case8, case9, case10)
case s @ Schema.Enum11(_, case1, case2, case3, case4, case5, case6, case7, case8, case9, case10, case11, _) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7, case8, case9, case10, case11)
case s @ Schema.Enum12(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
_
) =>
enumCases(s, case1, case2, case3, case4, case5, case6, case7, case8, case9, case10, case11, case12)
case s @ Schema.Enum13(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13
)
case s @ Schema.Enum14(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14
)
case s @ Schema.Enum15(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15
)
case s @ Schema.Enum16(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16
)
case s @ Schema.Enum17(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17
)
case s @ Schema.Enum18(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18
)
case s @ Schema.Enum19(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19
)
case s @ Schema.Enum20(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20
)
case s @ Schema.Enum21(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20,
case21,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20,
case21
)
case s @ Schema.Enum22(
_,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20,
case21,
case22,
_
) =>
enumCases(
s,
case1,
case2,
case3,
case4,
case5,
case6,
case7,
case8,
case9,
case10,
case11,
case12,
case13,
case14,
case15,
case16,
case17,
case18,
case19,
case20,
case21,
case22
)
//scalafmt: { maxColumn = 120 }
case s @ Schema.EnumN(_, cases, _) =>
enumCases(s, cases.toSeq: _*)
case Schema.Fail(message, _) =>
finishWith(fail(currentContext, message))
case s @ Schema.Sequence(schema, _, toChunk, _, _) =>
val inputChunk = toChunk.asInstanceOf[Any => Chunk[Any]](currentValue)
val resultChunk = ChunkBuilder.make[Target](inputChunk.size)
def processNext(inputIdx: Int): Unit = {
contextStack = contextStack.tail
if (inputIdx == inputChunk.size) {
finishWith(processSequence(currentContext, s, resultChunk.result()))
} else {
currentSchema = schema
currentValue = inputChunk(inputIdx)
pushContext(contextForSequence(currentContext, s, inputIdx))
push { dv =>
resultChunk += dv
processNext(inputIdx + 1)
}
}
}
startProcessingSequence(currentContext, s, inputChunk.size)
pushContext(contextForSequence(currentContext, s, 0))
processNext(0)
case s @ Schema.Map(ks: Schema[k], vs: Schema[v], _) =>
val inputChunk = Chunk.fromIterable(currentValue.asInstanceOf[Map[k, v]])
val resultChunk = ChunkBuilder.make[(Target, Target)](inputChunk.size)
def processNext(inputIdx: Int): Unit =
if (inputIdx == inputChunk.size) {
finishWith(processDictionary(currentContext, s, resultChunk.result()))
} else {
currentSchema = ks
val currentTuple = inputChunk(inputIdx)
currentValue = currentTuple._1
pushContext(contextForMap(currentContext, s, inputIdx))
push { (a: Target) =>
contextStack = contextStack.tail
currentSchema = vs
currentValue = currentTuple._2
pushContext(contextForMap(currentContext, s, inputIdx))
push { (b: Target) =>
contextStack = contextStack.tail
val pair = (a, b)
resultChunk += pair
processNext(inputIdx + 1)
}
}
}
startProcessingDictionary(currentContext, s, inputChunk.size)
processNext(0)
case s @ Schema.Set(as: Schema[a], _) =>
val inputChunk = Chunk.fromIterable(currentValue.asInstanceOf[Set[a]])
val resultChunk = ChunkBuilder.make[Target](inputChunk.size)
def processNext(inputIdx: Int): Unit = {
contextStack = contextStack.tail
if (inputIdx == inputChunk.size) {
finishWith(processSet(currentContext, s, resultChunk.result().toSet))
} else {
currentSchema = as
currentValue = inputChunk(inputIdx)
pushContext(contextForSet(currentContext, s, inputIdx))
push { dv =>
resultChunk += dv
processNext(inputIdx + 1)
}
}
}
startProcessingSet(currentContext, s, inputChunk.size)
pushContext(contextForSet(currentContext, s, 0))
processNext(0)
case s: Schema.Either[l, r] =>
startProcessingEither(currentContext, s)
currentValue.asInstanceOf[Either[l, r]] match {
case Left(value: l) =>
currentValue = value
currentSchema = s.left
pushContext(contextForEither(currentContext, Left(())))
push { dyn =>
contextStack = contextStack.tail
finishWith(processEither(currentContext, s, Left(dyn)))
}
case Right(value: r) =>
currentValue = value
currentSchema = s.right
pushContext(contextForEither(currentContext, Right(())))
push { dyn =>
contextStack = contextStack.tail
finishWith(processEither(currentContext, s, Right(dyn)))
}
}
case s: Schema.Tuple2[a, b] =>
startProcessingTuple(currentContext, s)
val (a: a, b: b) = currentValue.asInstanceOf[(a, b)]
currentValue = a
currentSchema = s.left
pushContext(contextForTuple(currentContext, 1))
push { dynA =>
currentValue = b
currentSchema = s.right
contextStack = contextStack.tail
pushContext(contextForTuple(currentContext, 2))
push { dynB =>
contextStack = contextStack.tail
finishWith(processTuple(currentContext, s, dynA, dynB))
}
}
case s: Schema.Optional[a] =>
startProcessingOption(currentContext, s)
currentValue.asInstanceOf[Option[a]] match {
case Some(value: a) =>
currentValue = value
currentSchema = s.schema
pushContext(contextForOption(currentContext, Some(())))
push { dyn =>
contextStack = contextStack.tail
finishWith(processOption(currentContext, s, Some(dyn)))
}
case None =>
finishWith(processOption(currentContext, s, None))
}
case Schema.Transform(schema, _, g, _, _) =>
g.asInstanceOf[Any => Either[String, Any]](currentValue) match {
case Left(message) =>
finishWith(fail(currentContext, message))
case Right(a) =>
currentValue = a
currentSchema = schema
}
case s @ Schema.CaseClass0(_, _, _) =>
fields(s, currentValue)
case s @ Schema.CaseClass1(_, f, _, _) =>
fields(s, currentValue, f)
case s @ Schema.CaseClass2(_, f1, f2, _, _) =>
fields(s, currentValue, f1, f2)
case s @ Schema.CaseClass3(_, f1, f2, f3, _, _) =>
fields(s, currentValue, f1, f2, f3)
case s @ Schema.CaseClass4(_, f1, f2, f3, f4, _, _) =>
fields(s, currentValue, f1, f2, f3, f4)
case s @ Schema.CaseClass5(_, f1, f2, f3, f4, f5, _, _) =>
fields(s, currentValue, f1, f2, f3, f4, f5)
case s @ Schema.CaseClass6(_, f1, f2, f3, f4, f5, f6, _, _) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6)
case s @ Schema.CaseClass7(_, f1, f2, f3, f4, f5, f6, f7, _, _) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7)
case s @ Schema.CaseClass8(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8)
case s @ Schema.CaseClass9(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9)
case s @ Schema.CaseClass10(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10)
case s @ Schema.CaseClass11(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11)
case s @ Schema.CaseClass12(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12)
case s @ Schema.CaseClass13(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13)
case s @ Schema.CaseClass14(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14)
case s @ Schema.CaseClass15(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15)
case s @ Schema.CaseClass16(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16)
case s @ Schema.CaseClass17(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
_,
_
) =>
fields(s, currentValue, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17)
case s @ Schema.CaseClass18(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
_,
_
) =>
fields(
s,
currentValue,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18
)
case s @ Schema.CaseClass19(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
_,
_
) =>
fields(
s,
currentValue,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19
)
case s @ Schema.CaseClass20(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20,
_
) =>
fields(
s,
currentValue,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20
)
case s @ Schema.CaseClass21(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20,
tail
) =>
fields(
s,
currentValue,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20,
tail._1
)
case s @ Schema.CaseClass22(
_,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20,
tail
) =>
fields(
s,
currentValue,
f1,
f2,
f3,
f4,
f5,
f6,
f7,
f8,
f9,
f10,
f11,
f12,
f13,
f14,
f15,
f16,
f17,
f18,
f19,
f20,
tail._1,
tail._2
)
case Schema.Dynamic(_) =>
processDynamic(currentContext, currentValue.asInstanceOf[DynamicValue]) match {
case Some(target) => finishWith(target)
case None =>
currentSchema = DynamicValue.schema
}
case _ => throw new Exception(s"Missing a handler for schema ${currentSchema.toString()}.")
}
}
result.get
}
}
/** A simpler version of MutableSchemaBasedValueProcessor without using any Context */
trait SimpleMutableSchemaBasedValueProcessor[Target] extends MutableSchemaBasedValueProcessor[Target, Unit] {
protected def processPrimitive(value: Any, typ: StandardType[Any]): Target
protected def processRecord(schema: Schema.Record[_], value: ListMap[String, Target]): Target
protected def processEnum(schema: Schema.Enum[_], tuple: (String, Target)): Target
protected def processSequence(schema: Schema.Sequence[_, _, _], value: Chunk[Target]): Target
protected def processDictionary(schema: Schema.Map[_, _], value: Chunk[(Target, Target)]): Target
protected def processSet(schema: Schema.Set[_], value: Set[Target]): Target
protected def processEither(schema: Schema.Either[_, _], value: Either[Target, Target]): Target
protected def processOption(schema: Schema.Optional[_], value: Option[Target]): Target
protected def processTuple(schema: Schema.Tuple2[_, _], left: Target, right: Target): Target
protected def processDynamic(value: DynamicValue): Option[Target]
protected def fail(message: String): Target
override protected def processPrimitive(context: Unit, value: Any, typ: StandardType[Any]): Target =
processPrimitive(value, typ)
override protected def processRecord(
context: Unit,
schema: Schema.Record[_],
value: ListMap[String, Target]
): Target =
processRecord(schema, value)
override protected def processEnum(context: Unit, schema: Schema.Enum[_], tuple: (String, Target)): Target =
processEnum(schema, tuple)
override protected def processSequence(
context: Unit,
schema: Schema.Sequence[_, _, _],
value: Chunk[Target]
): Target =
processSequence(schema, value)
override protected def processDictionary(
context: Unit,
schema: Schema.Map[_, _],
value: Chunk[(Target, Target)]
): Target =
processDictionary(schema, value)
override protected def processSet(context: Unit, schema: Schema.Set[_], value: Set[Target]): Target =
processSet(schema, value)
override protected def processEither(
context: Unit,
schema: Schema.Either[_, _],
value: Either[Target, Target]
): Target =
processEither(schema, value)
override protected def processOption(context: Unit, schema: Schema.Optional[_], value: Option[Target]): Target =
processOption(schema, value)
override protected def processTuple(context: Unit, schema: Schema.Tuple2[_, _], left: Target, right: Target): Target =
processTuple(schema, left, right)
override protected def fail(context: Unit, message: String): Target =
fail(message)
override protected def processDynamic(context: Unit, value: DynamicValue): Option[Target] =
processDynamic(value)
override protected val initialContext: Unit = ()
override protected def contextForRecordField(context: Unit, index: Int, field: Schema.Field[_, _]): Unit =
()
override protected def contextForEnumConstructor(context: Unit, index: Int, c: Schema.Case[_, _]): Unit =
()
override protected def contextForEither(context: Unit, e: Either[Unit, Unit]): Unit =
()
override protected def contextForOption(context: Unit, o: Option[Unit]): Unit =
()
override protected def contextForTuple(context: Unit, index: Int): Unit =
()
override protected def contextForSequence(context: Unit, schema: Schema.Sequence[_, _, _], index: Int): Unit =
()
override protected def contextForMap(context: Unit, schema: Schema.Map[_, _], index: Int): Unit =
()
override protected def contextForSet(context: Unit, schema: Schema.Set[_], index: Int): Unit =
()
}
