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package io.vertx.up.unity;

import io.vertx.core.Future;
import io.vertx.core.json.JsonArray;
import io.vertx.up.fn.Fn;
import io.vertx.up.uca.container.Refer;

import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Supplier;

class Functions {

    @SuppressWarnings("all")
    static BiConsumer fnCollectJArray() {
        return (collection, item) -> collection.add(item);
    }

    static  Future fnSupplier(final Refer container, final E entity, final Supplier supplier) {
        return Fn.getNull(Future.succeededFuture(), () -> {
            if (null == supplier) {
                container.add(entity);
            } else {
                container.add(supplier.get());
            }
            return Future.succeededFuture(entity);
        }, container, entity);
    }

    static  Future fnConsumer(final Refer container, final E entity, final Consumer consumer) {
        return Fn.getNull(Future.succeededFuture(), () -> {
            consumer.accept(container.get());
            return Future.succeededFuture(entity);
        }, container, entity, consumer);
    }
}