private void updateToNextProducer(InputT input) { if (doneWithOwn) { isDone = true; } else { if (predicate.test(input)) { BuilderT builder = factory.createSequential(); currentResult = function.buildComputation(builder, input); currentProducer = builder.build(); } else { doneWithOwn = true; if (next != null) { currentProducer = next.createProducer(input, factory); next = null; } } } }
/** * Creates a new Build step based on this builder but with a subsequent producer inserted after * the original protocol producer. The two producer will be evalueted in parallel, however each * of the two functions will be evaluated in sequence. * * @param firstFunction of the first protocol producer - will be lazy evaluated * @param secondFunction of the second protocol producer - will be lazy evaluated */ public <FirstOutputT, SecondOutputT> BuildStep<OutputT, BuilderT, Pair<FirstOutputT, SecondOutputT>> pairInPar( FrescoLambda<OutputT, BuilderT, FirstOutputT> firstFunction, FrescoLambda<OutputT, BuilderT, SecondOutputT> secondFunction) { BuildStep<OutputT, BuilderT, Pair<FirstOutputT, SecondOutputT>> localChild = new BuildStep<>( new BuildStepSingle<>( (BuilderT builder, OutputT output1) -> { DRes<FirstOutputT> firstOutput = builder.seq( seq -> firstFunction.buildComputation(seq, output1)); DRes<SecondOutputT> secondOutput = builder.seq( seq -> secondFunction.buildComputation(seq, output1)); return () -> new Pair<>(firstOutput.out(), secondOutput.out()); }, true) ); this.next = localChild; return localChild; }
public Pair<ProtocolProducer, DRes<OutputT>> createNextStep( InputT input, BuilderFactory<BuilderT> factory, BuildStep<OutputT, BuilderT, ?> next) { BuilderT builder = createBuilder(factory); DRes<OutputT> output = function.buildComputation(builder, input); if (next != null) { List<ProtocolProducer> protocols = Arrays.asList( builder.build(), new LazyProtocolProducerDecorator(() -> { OutputT out = null; if (output != null) { out = output.out(); } return next.createProducer(out, factory); })); SequentialProtocolProducer protocolProducer = new SequentialProtocolProducer(protocols); return new Pair<>(protocolProducer, null); } else { return new Pair<>(builder.build(), output); } }