net.yudichev.jiotty.common.lang.DispatchingConflatingConsumer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jiotty-common Show documentation

There is a newer version: 2.3.0

package net.yudichev.jiotty.common.lang;

import java.util.concurrent.Executor;
import java.util.function.Consumer;
import java.util.function.Supplier;

import static com.google.common.base.Preconditions.checkNotNull;

public final class DispatchingConflatingConsumer implements Consumer {
    private final Executor executor;
    private final Consumer> delegate;

    private final ConflatingInbox inbox = new ConflatingInbox<>();

    public DispatchingConflatingConsumer(Executor executor, Consumer> delegate) {
        this.executor = checkNotNull(executor);
        this.delegate = checkNotNull(delegate);
    }

    @Override
    public void accept(T t) {
        if (inbox.add(t)) {
            executor.execute(this::processQueue);
        }
    }

    private void processQueue() {
        delegate.accept(() -> inbox.get().orElseThrow(IllegalStateException::new));
    }
}