com.aol.cyclops.reactor.comprehenders.MonoComprehender Maven / Gradle / Ivy

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package com.aol.cyclops.reactor.comprehenders;

import java.util.function.Function;
import java.util.function.Predicate;

import com.aol.cyclops.control.FutureW;
import com.aol.cyclops.control.Xor;
import com.aol.cyclops.types.extensability.Comprehender;
import com.aol.cyclops.types.extensability.ValueComprehender;

import reactor.core.publisher.Mono;

public class MonoComprehender implements ValueComprehender {
	public Class getTargetClass(){
		return Mono.class;
	}
	@Override
	public Object filter(Mono o,Predicate p) {
		return FutureW.of(o.toCompletableFuture()).filter(p);
	}

	@Override
	public Object map(Mono o,Function fn) {
		return o.map(fn);
	}
	
	@Override
	public Mono flatMap(Mono o,Function fn) {
		return Mono.from(o.flatMap(fn));
	}

	@Override
	public boolean instanceOfT(Object apply) {
		return apply instanceof Mono;
	}

	@Override
	public Mono of(Object o) {
		return Mono.just(o);
	}

	@Override
	public Mono empty() {
		return Mono.empty();
	}
	@Override
    public Object resolveForCrossTypeFlatMap(Comprehender comp, Mono apply) {
        Xor res = FutureW.of(apply.toCompletableFuture()).toXor();
        return res.isPrimary() ? comp.of(res.get()) :  comp.empty();
    }
	
}