Upgrade to GraphQL-Java 17.3

core/pom.xml

@@ -37,7 +37,7 @@
         <dependency>
             <groupId>com.graphql-java</groupId>
             <artifactId>graphql-java</artifactId>
-            <version>16.2</version>
+            <version>17.3</version>
         </dependency>
         <dependency>
             <groupId>org.atteo</groupId>

core/src/main/kotlin/org/neo4j/graphql/DynamicProperties.kt

@@ -20,18 +20,18 @@ object DynamicProperties {
             }
 
             @Throws(CoercingParseLiteralException::class)
-            override fun parseLiteral(o: Any): Any? {
+            override fun parseLiteral(o: Any): Any {
                 return parse(o, emptyMap())
             }
         })
         .build()
 
 
     @Throws(CoercingParseLiteralException::class)
-    private fun parse(input: Any, variables: Map<String, Any>): Any? {
+    private fun parse(input: Any, variables: Map<String, Any>): Any {
         return when (input) {
             !is Value<*> -> throw CoercingParseLiteralException("Expected AST type 'StringValue' but was '${input::class.java.simpleName}'.")
-            is NullValue -> null
+            is NullValue -> throw CoercingParseLiteralException("Expected non null value.")
             is ObjectValue -> input.objectFields.associate { it.name to parseNested(it.value, variables) }
             else -> Assert.assertShouldNeverHappen("Only maps structures are expected")
         }

core/src/main/kotlin/org/neo4j/graphql/GraphQLExtensions.kt

@@ -92,7 +92,7 @@ fun GraphQLFieldsContainer.label(): String = when {
     this.isRelationType() ->
         (this as? GraphQLDirectiveContainer)
             ?.getDirective(DirectiveConstants.RELATION)
-            ?.getArgument(RELATION_NAME)?.value?.toJavaValue()?.toString()
+            ?.getArgument(RELATION_NAME)?.argumentValue?.value?.toJavaValue()?.toString()
                 ?: this.name
     else -> name
 }
@@ -150,10 +150,11 @@ fun <T> GraphQLDirective.getMandatoryArgument(argumentName: String, defaultValue
 fun <T> GraphQLDirective.getArgument(argumentName: String, defaultValue: T? = null): T? {
     val argument = getArgument(argumentName)
     @Suppress("UNCHECKED_CAST")
-    return argument?.value as T?
-            ?: argument.defaultValue as T?
-            ?: defaultValue
-            ?: throw IllegalStateException("No default value for @${this.name}::$argumentName")
+    return when {
+        argument.argumentValue.isSet && argument.argumentValue.value != null -> argument.argumentValue.value?.toJavaValue() as T?
+        argument.argumentDefaultValue.isSet -> argument.argumentDefaultValue.value?.toJavaValue() as T?
+        else -> defaultValue ?: throw IllegalStateException("No default value for @${this.name}::$argumentName")
+    }
 }
 
 fun GraphQLFieldDefinition.cypherDirective(): CypherDirective? = getDirective(CYPHER)?.let {

core/src/main/kotlin/org/neo4j/graphql/NoOpCoercing.kt

@@ -1,11 +1,16 @@
 package org.neo4j.graphql
 
 import graphql.schema.Coercing
+import graphql.schema.CoercingParseLiteralException
+import graphql.schema.CoercingParseValueException
 
 object NoOpCoercing : Coercing<Any, Any> {
-    override fun parseLiteral(input: Any?) = input?.toJavaValue()
 
-    override fun serialize(dataFetcherResult: Any?) = dataFetcherResult
+    override fun parseLiteral(input: Any) = input.toJavaValue()
+            ?: throw CoercingParseLiteralException("literal should not be null")
+
+    override fun serialize(dataFetcherResult: Any) = dataFetcherResult
 
     override fun parseValue(input: Any) = input.toJavaValue()
+            ?: throw CoercingParseValueException("literal should not be null")
 }

core/src/main/kotlin/org/neo4j/graphql/handler/BaseDataFetcherForContainer.kt

@@ -25,8 +25,8 @@ abstract class BaseDataFetcherForContainer(schemaConfig: SchemaConfig) : BaseDat
             .arguments
             .filterNot { listOf(FIRST, OFFSET, ORDER_BY, NATIVE_ID, OPTIONS).contains(it.name) }
             .onEach { arg ->
-                if (arg.defaultValue != null) {
-                    defaultFields[arg.name] = arg.defaultValue
+                if (arg.argumentDefaultValue.isSet) {
+                    arg.argumentDefaultValue.value?.let { defaultFields[arg.name] = it }
                 }
             }
             .mapNotNull { type.getRelevantFieldDefinition(it.name) }

core/src/main/kotlin/org/neo4j/graphql/handler/projection/ProjectionBase.kt

@@ -1,5 +1,6 @@
 package org.neo4j.graphql.handler.projection
 
+import graphql.Scalars.GraphQLString
 import graphql.schema.*
 import org.neo4j.cypherdsl.core.*
 import org.neo4j.cypherdsl.core.Cypher.*
@@ -49,8 +50,10 @@ open class ProjectionBase(
             override fun getName(): String = TYPE_NAME
             override fun getQualifiedName(): String = TYPE_NAME
             override fun getFullyQualifiedName(): String = TYPE_NAME
-            override fun getObjectType(): GraphQLObjectType? = null
-            override fun getFieldDefinition(): GraphQLFieldDefinition? = null
+            override fun getObjectTypes(): List<GraphQLObjectType> = emptyList()
+            override fun getObjectTypeNames(): List<String> = emptyList()
+            override fun getFieldDefinitions(): List<GraphQLFieldDefinition> = emptyList()
+            override fun getType(): GraphQLOutputType = GraphQLString
             override fun getArguments(): Map<String, Any> = emptyMap()
             override fun getLevel(): Int = 0
             override fun isConditional(): Boolean = false
@@ -81,7 +84,8 @@ open class ProjectionBase(
         val options = args[OPTIONS] as? Map<*, *>
         val defaultOptions = (fieldDefinition?.getArgument(OPTIONS)?.type as? GraphQLInputObjectType)
 
-        val sortArray = (options?.get(SORT) ?: defaultOptions?.getField(SORT)?.defaultValue?.toJavaValue())
+        val sortArray = (options?.get(SORT)
+                ?: defaultOptions?.getField(SORT)?.inputFieldDefaultValue?.value?.toJavaValue())
                 as? List<*> ?: return null
 
         return sortArray
@@ -100,7 +104,7 @@ open class ProjectionBase(
     ): List<SortItem>? {
 
         val orderBy = args[ORDER_BY]
-                ?: fieldDefinition?.getArgument(ORDER_BY)?.defaultValue
+                ?: fieldDefinition?.getArgument(ORDER_BY)?.argumentDefaultValue?.value
         return orderBy
             ?.let { it ->
                 when (it) {
@@ -257,7 +261,8 @@ open class ProjectionBase(
                 }
                 projectField(propertyContainer, variable, it, nodeType, env, variableSuffix)
             } else {
-                projectField(propertyContainer, variable, it, it.objectType, env, variableSuffix)
+                projectField(propertyContainer, variable, it, it.objectTypes.firstOrNull()
+                        ?: throw IllegalStateException("only one object type is supported"), env, variableSuffix)
             }
             projections.addAll(pro)
             subQueries += sub
@@ -391,8 +396,8 @@ open class ProjectionBase(
             .forEach { (name, value) -> args[name] = queryParameter(value, ctxVariable.value, name).`as`(name) }
         fieldDefinition.arguments
             .filterNot { SPECIAL_FIELDS.contains(it.name) }
-            .filter { it.defaultValue != null && !args.containsKey(it.name) }
-            .forEach { args[it.name] = queryParameter(it.defaultValue, ctxVariable.value, it.name).`as`(it.name) }
+            .filter { it.argumentDefaultValue.value != null && !args.containsKey(it.name) }
+            .forEach { args[it.name] = queryParameter(it.argumentDefaultValue.value, ctxVariable.value, it.name).`as`(it.name) }
 
         var reading: OrderableOngoingReadingAndWithWithoutWhere? = null
         if (thisValue != null) {
@@ -594,14 +599,14 @@ open class ProjectionBase(
 
         private fun convertArgument(variable: String, arguments: Map<String, Any>, fieldDefinition: GraphQLFieldDefinition?, name: String): Parameter<*>? {
             val value = arguments[name]
-                    ?: fieldDefinition?.getArgument(name)?.defaultValue
+                    ?: fieldDefinition?.getArgument(name)?.argumentDefaultValue?.value
                     ?: return null
             return queryParameter(value, variable, name)
         }
 
         private fun convertOptionField(variable: String, options: Map<*, *>?, defaultOptions: GraphQLInputObjectType?, name: String): Parameter<*>? {
             val value = options?.get(name)
-                    ?: defaultOptions?.getField(name)?.defaultValue
+                    ?: defaultOptions?.getField(name)?.inputFieldDefaultValue?.value
                     ?: return null
             return queryParameter(value, variable, name)
         }

core/src/main/kotlin/org/neo4j/graphql/parser/QueryParser.kt

@@ -118,11 +118,11 @@ object QueryParser {
             .toMap(mutableMapOf())
         var index = queriedFields.size
         fieldDefinition.arguments
-            .filter { it.defaultValue != null }
+            .filter { it.argumentDefaultValue.value != null }
             .filterNot { queriedFields.containsKey(it.name) }
             .filterNot { ProjectionBase.SPECIAL_FIELDS.contains(it.name) }
             .forEach { argument ->
-                queriedFields[argument.name] = index++ to argument.defaultValue
+                queriedFields[argument.name] = index++ to argument.argumentDefaultValue.value
             }
 
         return createParsedQuery(queriedFields, type)

examples/dgs-spring-boot/src/test/kotlin/org/neo4j/graphql/examples/dgsspringboot/datafetcher/AdditionalDataFetcherTest.kt

@@ -135,6 +135,6 @@ internal class AdditionalDataFetcherTest(
 
     companion object {
         @Container
-        private val neo4jServer = Neo4jContainer<Nothing>("neo4j:4.2.4")
+        private val neo4jServer = Neo4jContainer<Nothing>("neo4j:4.4.1")
     }
 }

examples/graphql-spring-boot/pom.xml

@@ -16,7 +16,7 @@
 
     <properties>
         <testcontainers.version>1.16.2</testcontainers.version>
-        <graphql-kotlin.version>5.2.0</graphql-kotlin.version>
+        <graphql-kotlin.version>5.3.1</graphql-kotlin.version>
         <spring-boot.version>2.6.1</spring-boot.version>
     </properties>
 

examples/graphql-spring-boot/src/test/kotlin/org/neo4j/graphql/examples/graphqlspringboot/controller/QueriesIT.kt

@@ -104,7 +104,7 @@ internal class QueriesIT(
 
     companion object {
         @Container
-        private val neo4jServer = Neo4jContainer<Nothing>("neo4j:4.2.4")
+        private val neo4jServer = Neo4jContainer<Nothing>("neo4j:4.4.1")
 
     }