feat: add GraphQLJpaExecutorContextFactory auto configuration

Author: igdianov

graphql-jpa-query-boot-starter/src/main/java/com/introproventures/graphql/jpa/query/boot/autoconfigure/GraphQLJpaQueryAutoConfiguration.java

@@ -28,6 +28,7 @@
 import com.introproventures.graphql.jpa.query.schema.GraphQLExecutor;
 import com.introproventures.graphql.jpa.query.schema.GraphQLSchemaBuilder;
 import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaExecutor;
+import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaExecutorContextFactory;
 import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaSchemaBuilder;
 
 import graphql.GraphQL;
@@ -56,10 +57,18 @@ public void configure(GraphQLShemaRegistration registry) {
     @Configuration
     public static class DefaultGraphQLJpaQueryConfiguration {
 
+        @Bean 
+        @ConditionalOnMissingBean(GraphQLJpaExecutorContextFactory.class)
+        public GraphQLJpaExecutorContextFactory graphQLExecutorContextFactory() {
+            return new GraphQLJpaExecutorContextFactory() { };
+        }
+
         @Bean
         @ConditionalOnMissingBean(GraphQLExecutor.class)
-        public GraphQLExecutor graphQLExecutor(GraphQLSchema graphQLSchema) {
-            return new GraphQLJpaExecutor(graphQLSchema);
+        public GraphQLExecutor graphQLExecutor(GraphQLSchema graphQLSchema,
+                                               GraphQLJpaExecutorContextFactory graphQLExecutorContextFactory) {
+            return new GraphQLJpaExecutor(graphQLSchema,
+                                          graphQLExecutorContextFactory);
         }
 
         @Bean

graphql-jpa-query-boot-starter/src/test/java/com/introproventures/graphql/jpa/query/boot/autoconfigure/GraphQLJpaQueryAutoConfigurationTest.java

@@ -29,6 +29,7 @@
 import com.introproventures.graphql.jpa.query.schema.GraphQLExecutor;
 import com.introproventures.graphql.jpa.query.schema.GraphQLSchemaBuilder;
 import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaExecutor;
+import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaExecutorContextFactory;
 import com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaSchemaBuilder;
 import com.introproventures.graphql.jpa.query.starter.model.Author;
 
@@ -49,6 +50,9 @@ static class Application {
 
     @Autowired(required=false)
     private GraphQLSchemaBuilder graphQLSchemaBuilder;
+    
+    @Autowired(required=false)
+    private GraphQLJpaExecutorContextFactory executorContextFactory;   
 
     @Autowired
     private GraphQLSchema graphQLSchema;
@@ -61,6 +65,7 @@ public void contextIsAutoConfigured() {
         assertThat(graphQLSchemaBuilder).isNotNull()
                                         .isInstanceOf(GraphQLJpaSchemaBuilder.class);
 
+        assertThat(executorContextFactory).isNotNull();
 
         assertThat(graphQLSchema.getQueryType())
                                 .extracting(GraphQLObjectType::getName, GraphQLObjectType::getDescription)