/
GraphQLExecutionConfiguration.kt
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/
GraphQLExecutionConfiguration.kt
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/*
* Copyright 2022 Expedia, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.expediagroup.graphql.server.spring
import com.expediagroup.graphql.generator.execution.KotlinDataFetcherFactoryProvider
import com.expediagroup.graphql.dataloader.KotlinDataLoaderRegistryFactory
import com.expediagroup.graphql.dataloader.KotlinDataLoader
import com.expediagroup.graphql.server.spring.execution.SpringKotlinDataFetcherFactoryProvider
import graphql.execution.DataFetcherExceptionHandler
import graphql.execution.SimpleDataFetcherExceptionHandler
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration
import org.springframework.boot.context.properties.EnableConfigurationProperties
import org.springframework.context.ApplicationContext
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.context.annotation.Import
import java.util.Optional
/**
* The root configuration class that other configurations can import to get the basic
* beans required to then create an executable GraphQL schema object.
*/
@Configuration
@EnableConfigurationProperties(GraphQLConfigurationProperties::class)
@Import(JacksonAutoConfiguration::class)
class GraphQLExecutionConfiguration {
@Bean
@ConditionalOnMissingBean
fun dataFetcherFactoryProvider(applicationContext: ApplicationContext): KotlinDataFetcherFactoryProvider =
SpringKotlinDataFetcherFactoryProvider(applicationContext)
@Bean
@ConditionalOnMissingBean
fun exceptionHandler(): DataFetcherExceptionHandler = SimpleDataFetcherExceptionHandler()
@Bean
@ConditionalOnMissingBean
fun dataLoaderRegistryFactory(
dataLoaders: Optional<List<KotlinDataLoader<*, *>>>
): KotlinDataLoaderRegistryFactory =
KotlinDataLoaderRegistryFactory(
dataLoaders.orElse(emptyList())
)
}