Create reference resolver per validation invocation

Author: OptimumCode

json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/JsonSchema.kt

@@ -3,7 +3,7 @@ package io.github.optimumcode.json.schema
 import io.github.optimumcode.json.pointer.JsonPointer
 import io.github.optimumcode.json.schema.OutputCollector.DelegateOutputCollector
 import io.github.optimumcode.json.schema.internal.DefaultAssertionContext
-import io.github.optimumcode.json.schema.internal.DefaultReferenceResolver
+import io.github.optimumcode.json.schema.internal.DefaultReferenceResolverProvider
 import io.github.optimumcode.json.schema.internal.IsolatedLoader
 import io.github.optimumcode.json.schema.internal.JsonSchemaAssertion
 import io.github.optimumcode.json.schema.internal.wrapper.wrap
@@ -18,7 +18,7 @@ import kotlin.jvm.JvmStatic
  */
 public class JsonSchema internal constructor(
   private val assertion: JsonSchemaAssertion,
-  private val referenceResolver: DefaultReferenceResolver,
+  private val referenceResolverProvider: DefaultReferenceResolverProvider,
 ) {
   /**
    * Validates [value] against this [JsonSchema].
@@ -56,7 +56,7 @@ public class JsonSchema internal constructor(
     value: AbstractElement,
     errorCollector: ErrorCollector,
   ): Boolean {
-    val context = DefaultAssertionContext(JsonPointer.ROOT, referenceResolver)
+    val context = DefaultAssertionContext(JsonPointer.ROOT, referenceResolverProvider.createResolver())
     return DelegateOutputCollector(errorCollector).use {
       assertion.validate(value, context, this)
     }
@@ -74,7 +74,7 @@ public class JsonSchema internal constructor(
     value: AbstractElement,
     outputCollectorProvider: OutputCollector.Provider<T>,
   ): T {
-    val context = DefaultAssertionContext(JsonPointer.ROOT, referenceResolver)
+    val context = DefaultAssertionContext(JsonPointer.ROOT, referenceResolverProvider.createResolver())
     val collector = outputCollectorProvider.get()
     collector.use {
       assertion.validate(value, context, this)

json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/ReferenceResolver.kt

@@ -22,6 +22,12 @@ internal class ReferenceHolder(
   operator fun component3(): Uri = scopeId
 }
 
+internal class DefaultReferenceResolverProvider(
+  private val references: Map<RefId, AssertionWithPath>,
+) {
+  fun createResolver(): DefaultReferenceResolver = DefaultReferenceResolver(references)
+}
+
 internal class DefaultReferenceResolver(
   private val references: Map<RefId, AssertionWithPath>,
   private val schemaPathsStack: ArrayDeque<Pair<JsonPointer, Uri>> = ArrayDeque(),

json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/SchemaLoader.kt

@@ -289,7 +289,7 @@ private fun createSchema(result: LoadResult): JsonSchema {
       .asSequence()
       .filter { it.key in result.usedRefs || it.key in dynamicRefs }
       .associate { it.key to it.value }
-  return JsonSchema(result.assertion, DefaultReferenceResolver(usedReferencesWithPath))
+  return JsonSchema(result.assertion, DefaultReferenceResolverProvider(usedReferencesWithPath))
 }
 
 private class LoadResult(