60 lines
1.7 KiB
Java
60 lines
1.7 KiB
Java
package org.capnproto;
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import java.util.concurrent.CompletableFuture;
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public class Request<Params, Results> {
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protected Params params;
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private PipelineFactory<Results> pipelineFactory;
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RequestHook hook;
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public Request(Params params,
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PipelineFactory<Results> pipelineFactory,
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RequestHook hook) {
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this.params = params;
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this.pipelineFactory = pipelineFactory;
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this.hook = hook;
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}
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public Params getParams() {
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return params;
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}
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public Results send() {
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var typelessPromise = this.hook.send();
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this.hook = null; // prevent reuse
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return pipelineFactory.newPipeline(typelessPromise);
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}
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static <P, R> Request<P, R> newBrokenRequest(Throwable exc) {
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final MessageBuilder message = new MessageBuilder();
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var hook = new RequestHook() {
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@Override
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public RemotePromise<AnyPointer.Reader> send() {
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return new RemotePromise<>(CompletableFuture.failedFuture(exc), null);
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}
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@Override
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public CompletableFuture<?> sendStreaming() {
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return CompletableFuture.failedFuture(exc);
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}
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@Override
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public Object getBrand() {
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return null;
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}
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};
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var root = message.getRoot(AnyPointer.factory);
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return new Request<P, R>(null, null, hook);
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}
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static <P, R> Request<P, R> fromTypeless(
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FromPointerBuilder<P> paramsFactory,
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PipelineFactory<R> pipelineFactory,
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Request<AnyPointer.Builder, AnyPointer.Pipeline> typeless) {
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return new Request<>(typeless.params.getAs(paramsFactory), pipelineFactory, typeless.hook);
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}
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}
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