Polish GraphQL auto-configuration
Phillip Webb
3 years ago
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/*
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* Copyright 2012-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.graphql.data;
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import java.util.Collections;
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import java.util.List;
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import java.util.function.BiFunction;
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import java.util.stream.Collectors;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.boot.autoconfigure.graphql.GraphQlSourceBuilderCustomizer;
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import org.springframework.graphql.execution.GraphQlSource.Builder;
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import org.springframework.graphql.execution.RuntimeWiringConfigurer;
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/**
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* {@link GraphQlSourceBuilderCustomizer} to apply auto-configured QueryDSL
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* {@link RuntimeWiringConfigurer RuntimeWiringConfigurers}.
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*
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* @param <E> the executor type
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* @param <R> the reactive executor type
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* @author Phillip Webb
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* @author Rossen Stoyanchev
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* @author Brian Clozel
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*/
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class GraphQlQuerydslSourceBuilderCustomizer<E, R> implements GraphQlSourceBuilderCustomizer {
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private final BiFunction<List<E>, List<R>, RuntimeWiringConfigurer> wiringConfigurerFactory;
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private final List<E> executors;
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private final List<R> reactiveExecutors;
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GraphQlQuerydslSourceBuilderCustomizer(
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BiFunction<List<E>, List<R>, RuntimeWiringConfigurer> wiringConfigurerFactory, ObjectProvider<E> executors,
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ObjectProvider<R> reactiveExecutors) {
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this(wiringConfigurerFactory, toList(executors), toList(reactiveExecutors));
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}
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GraphQlQuerydslSourceBuilderCustomizer(
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BiFunction<List<E>, List<R>, RuntimeWiringConfigurer> wiringConfigurerFactory, List<E> executors,
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List<R> reactiveExecutors) {
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this.wiringConfigurerFactory = wiringConfigurerFactory;
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this.executors = executors;
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this.reactiveExecutors = reactiveExecutors;
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}
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@Override
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public void customize(Builder builder) {
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if (!this.executors.isEmpty() || !this.reactiveExecutors.isEmpty()) {
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builder.configureRuntimeWiring(this.wiringConfigurerFactory.apply(this.executors, this.reactiveExecutors));
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}
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}
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private static <T> List<T> toList(ObjectProvider<T> provider) {
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return (provider != null) ? provider.orderedStream().collect(Collectors.toList()) : Collections.emptyList();
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}
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}
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