spring AsyncServerResponse 源码
spring AsyncServerResponse 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/function/AsyncServerResponse.java
/*
* Copyright 2002-2020 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.web.servlet.function;
import java.time.Duration;
import java.util.concurrent.CompletableFuture;
import org.reactivestreams.Publisher;
import org.springframework.core.ReactiveAdapterRegistry;
/**
* Asynchronous subtype of {@link ServerResponse} that exposes the future
* response.
*
* @author Arjen Poutsma
* @since 5.3.2
* @see ServerResponse#async(Object)
*/
public interface AsyncServerResponse extends ServerResponse {
/**
* Blocks indefinitely until the future response is obtained.
*/
ServerResponse block();
// Static creation methods
/**
* Create a {@code AsyncServerResponse} with the given asynchronous response.
* Parameter {@code asyncResponse} can be a
* {@link CompletableFuture CompletableFuture<ServerResponse>} or
* {@link Publisher Publisher<ServerResponse>} (or any
* asynchronous producer of a single {@code ServerResponse} that can be
* adapted via the {@link ReactiveAdapterRegistry}).
* @param asyncResponse a {@code CompletableFuture<ServerResponse>} or
* {@code Publisher<ServerResponse>}
* @return the asynchronous response
*/
static AsyncServerResponse create(Object asyncResponse) {
return DefaultAsyncServerResponse.create(asyncResponse, null);
}
/**
* Create a (built) response with the given asynchronous response.
* Parameter {@code asyncResponse} can be a
* {@link CompletableFuture CompletableFuture<ServerResponse>} or
* {@link Publisher Publisher<ServerResponse>} (or any
* asynchronous producer of a single {@code ServerResponse} that can be
* adapted via the {@link ReactiveAdapterRegistry}).
* @param asyncResponse a {@code CompletableFuture<ServerResponse>} or
* {@code Publisher<ServerResponse>}
* @param timeout maximum time period to wait for before timing out
* @return the asynchronous response
*/
static AsyncServerResponse create(Object asyncResponse, Duration timeout) {
return DefaultAsyncServerResponse.create(asyncResponse, timeout);
}
}
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