
com.yahoo.processing.rendering.AsynchronousRenderer Maven / Gradle / Ivy
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.processing.rendering;
import com.yahoo.jdisc.handler.CompletionHandler;
import com.yahoo.jdisc.handler.ContentChannel;
import com.yahoo.processing.Response;
import java.util.concurrent.Executor;
/**
* Superclass of all asynchronous renderers.
* Subclasses this to receive an executor and the network wiring necessary to respectively
* run callback listeners and close up the channel when the response is complete.
*
* @author bratseth
*/
public abstract class AsynchronousRenderer extends Renderer {
/**
* Exposes JDisc wiring to ensure asynchronous cleanup.
*
* @param channel the channel to the client receiving the response
* @param completionHandler the JDisc completion handler which will be invoked at the end of the rendering
* @throws IllegalStateException if attempted invoked more than once
*/
public abstract void setNetworkWiring(ContentChannel channel, CompletionHandler completionHandler);
}
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