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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.application.container.handlers;
import com.yahoo.jdisc.handler.AbstractRequestHandler;
import com.yahoo.jdisc.handler.CompletionHandler;
import com.yahoo.jdisc.handler.ContentChannel;
import com.yahoo.jdisc.handler.ResponseHandler;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* @author Einar M R Rosenvinge
*/
public class DelayedThrowingInWriteRequestHandler extends AbstractRequestHandler {
private ExecutorService responseExecutor = Executors.newSingleThreadExecutor();
@Override
public ContentChannel handleRequest(com.yahoo.jdisc.Request request, ResponseHandler handler) {
responseExecutor.execute(new DelayedThrowingInWriteTask(handler));
return new DelayedThrowingInWriteContentChannel();
}
private static class DelayedThrowingInWriteTask implements Runnable {
private final ResponseHandler handler;
public DelayedThrowingInWriteTask(ResponseHandler handler) {
this.handler = handler;
}
@Override
public void run() {
ContentChannel responseChannel = handler.handleResponse(
new com.yahoo.jdisc.Response(com.yahoo.jdisc.Response.Status.OK));
responseChannel.close(null);
}
}
private static class DelayedThrowingInWriteContentChannel implements ContentChannel {
private List<CompletionHandler> writeCompletionHandlers = new ArrayList<>();
@Override
public void write(ByteBuffer buf, CompletionHandler handler) {
writeCompletionHandlers.add(handler);
}
@Override
public void close(CompletionHandler handler) {
for (CompletionHandler writeCompletionHandler : writeCompletionHandlers) {
writeCompletionHandler.failed(new DelayedWriteException());
}
handler.completed();
}
}
}
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