spring-graphql DataLoaderRegistrar 源码
spring-graphql DataLoaderRegistrar 代码
文件路径：/spring-graphql/src/main/java/org/springframework/graphql/execution/DataLoaderRegistrar.java
/*
* Copyright 2002-2021 the original author or 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 org.springframework.graphql.execution;
import graphql.ExecutionInput;
import graphql.GraphQLContext;
import org.dataloader.BatchLoaderContextProvider;
import org.dataloader.DataLoaderRegistry;
/**
* Contract for access to the {@link DataLoaderRegistry} for each request for
* the purpose of registering {@link org.dataloader.DataLoader} instances.
*
* @author Rossen Stoyanchev
* @since 1.0.0
* @see ExecutionInput#getDataLoaderRegistry()
*/
public interface DataLoaderRegistrar {
/**
* Callback that provides access to the {@link DataLoaderRegistry} from the
* the {@link graphql.ExecutionInput}.
* @param registry the registry to make registrations against
* @param context the GraphQLContext from the ExecutionInput that registrars
* should set in the {@link org.dataloader.DataLoaderOptions} so that batch
* loaders can access it via {@link org.dataloader.BatchLoaderEnvironment}.
*/
void registerDataLoaders(DataLoaderRegistry registry, GraphQLContext context);
}
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