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Extensions to integrate Micronaut and GraphQL

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/*
 * Copyright 2017-2020 original authors
 *
 * 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 io.micronaut.configuration.graphql;

import graphql.ExecutionResult;
import io.micronaut.core.async.publisher.Publishers;
import jakarta.inject.Singleton;
import org.reactivestreams.Publisher;

/**
 * The default implementation for handling GraphQL {@link ExecutionResult}s.
 *
 * @author Marcel Overdijk
 * @author James Kleeh
 * @since 1.0
 */
@Singleton
public class DefaultGraphQLExecutionResultHandler implements GraphQLExecutionResultHandler {

    /**
     * {@inheritDoc}
     */
    @Override
    public Publisher handleExecutionResult(Publisher executionResultPublisher) {
        return Publishers.map(executionResultPublisher, executionResult -> new GraphQLResponseBody(executionResult.toSpecification()));
    }
}