spring-graphql GraphQlRequest 源码
spring-graphql GraphQlRequest 代码
文件路径：/spring-graphql/src/main/java/org/springframework/graphql/GraphQlRequest.java
/*
* Copyright 2002-2022 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;
import java.util.Map;
import org.springframework.lang.Nullable;
/**
* Represents a GraphQL request with the inputs to pass to a GraphQL service
* including a {@link #getDocument() document}, {@link #getOperationName()
* operationName}, and {@link #getVariables() variables}.
*
* <p>The request can be turned to a Map via {@link #toMap()} and to be
* submitted as JSON over HTTP or WebSocket.
*
* @author Rossen Stoyanchev
* @since 1.0.0
*/
public interface GraphQlRequest {
/**
* Return the GraphQL document which is the textual representation of an
* operation (or operations) to perform, including any selection sets and
* fragments.
*/
String getDocument();
/**
* Return the name of the operation in the {@link #getDocument() document}
* to execute, if the document contains multiple operations.
*/
@Nullable
String getOperationName();
/**
* Return values for variable defined by the operation.
*/
Map<String, Object> getVariables();
/**
* Return implementor specific, protocol extensions, if any.
*/
Map<String, Object> getExtensions();
/**
* Convert the request to a {@link Map} as defined in
* <a href="https://github.com/graphql/graphql-over-http/blob/main/spec/GraphQLOverHTTP.md">GraphQL over HTTP</a> and
* <a href="https://github.com/enisdenjo/graphql-ws/blob/master/PROTOCOL.md">GraphQL over WebSocket</a>:
* <table>
* <tr><th>Key</th><th>Value</th></tr>
* <tr><td>query</td><td>{@link #getDocument() document}</td></tr>
* <tr><td>operationName</td><td>{@link #getOperationName() operationName}</td></tr>
* <tr><td>variables</td><td>{@link #getVariables() variables}</td></tr>
* </table>
*/
Map<String, Object> toMap();
}
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