com.introproventures.graphql.jpa.query.schema.impl.GraphQLJpaToOneMappedBatchLoader Maven / Gradle / Ivy

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Provides GraphQL JPA Query Schema Generation and Execution Support

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package com.introproventures.graphql.jpa.query.schema.impl;

import graphql.schema.DataFetchingEnvironment;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import org.dataloader.BatchLoaderEnvironment;
import org.dataloader.MappedBatchLoaderWithContext;

// a batch loader function that will be called with N or more keys for batch loading
class GraphQLJpaToOneMappedBatchLoader implements MappedBatchLoaderWithContext {

    private final GraphQLJpaQueryFactory queryFactory;

    public GraphQLJpaToOneMappedBatchLoader(GraphQLJpaQueryFactory queryFactory) {
        this.queryFactory = queryFactory;
    }

    @Override
    public CompletionStage> load(Set